It is installed at the top of the water heater and can be utilized in both horizontal and vertical applications. (it’s all in my chimney posts). Hi Cheryl, You can go to my post Water Heater Chimney Flue Sizing for a general answer. On top of both (front and back) walls are openings between 2x4s at about 24″ on center. A. O. Smith power vent gas water heaters are equipped with an electric blower fan that is installed on top of the water heater, which requires an electrical outlet to be close to the water heater. If you use single-wall pipe to penetrate the exterior wall, a fire may result. Please give me your advice, thanks. You’re very kind Tony :-), thank you… The “white stuff” (most likely) on the vent pipes is a result of ventilation problems / possibly clogged chimney. Single wall natural draft gas water heater vent pipe cannot be used in unheated areas like attic or garage (even if only partially penetrating that space) , because such vent pipe installation will cause excessive condensation on vent pipe walls and compromise proper drafting – double wall pipe / B-vent type is required. Thinking about relocating your natural draft gas water heater to the garage area? After about ten minutes of operation the flame was much larger and nearly all yellow. Your newer water heater is equipped with a safety device (read my answer to Christa’s question below) which shuts off the burner / pilot whenever it senses inadequate amount of combustion air or a downdraft (created by your HVAC system). Let me know if there’s anything else I could help you with…. Remove the flue pipe. Really who should I call to fix it or is there something DIY that can eliminate the problem. If you look inside the pipe and it appears to be clean / no rust, there is most like no draft problems and no worries about exhaust gases backing up into the house. According to the instructions this condition indicates a lack of combustion air and will produce excess soot. A concentric vent termination may be used on a power direct vent tank or tankless water heater to get the same benefit of a single wall or roof penetration with an aesthetic vent termination. Direct-vent units attract outside air from the house or building while power-vent units solely need an exhaust vent and should be installed in a larger area for receiving sufficient air amount for combustion. You have a few options on the drawing. Let me know if this answered your question. Yes Karl, fire rated caulking would be good for this purpose. I would like to close this up but I am not sure if that would present an issue due to the hot water heater being gas. It’s been like this for years. Recently I noticed a problem which never happened before, and I’ve had this home for 7 years. Raise the duct and insert the upper end through the flashing on the roof. If this is what you have, let me know. You can use your old chimney as a chase for the new water heater vent pipe. 14 year water heaters are unpredictable. Rainwater can be blown in from outside. This is about the same time when I heard the burner came on. The venting on gas water heaters carries away unburned gas fumes and provides a place for heat to escape. Hello Scott, Could you please describe the location of your water heater, ventilation of the water heater area (is it in a closet, basement, are there any vents that provide fresh air for the combustion process, what is your water source (city water or private well) and where is that bad smell coming from – is it only near the water heater, or is it from the hot water when you open the faucet after the re-boil. Such installation could create pyrophoric conditions and a fire-hazard. Make sure that you follow all of the directions in their manual, it’s critical for the appliance to operate safely and efficiently. Check this – air return and combustion air. When using water softener sodium is added in the process and anode rods tend to corrode much quicker, sometimes in as little as six months if the water is over-softened. The Cause. You’d have to consult this second option with a local building department (HVAC division) or / and HVAC contractor. The height on the front 17′ wide (where the entry door is) is 6′, and the height on the back (where it shares the same wall as the garage) is 7′. So, if something would normally ignite at 500F, by applying constant heat to it, that ignition point might be lowered to let’s say 250F – it’s just an example…. I think to myself… there’s got to be some reason the builders originally put a power vent in, so we should continue to go with a power vent. You are welcome Jay, any home maintenance questions – just let me know. Mark: If you are sealing a gas fired water heater flue and are so far away from the heater (presumably on a basement or first floor) as to be at the roof, then sealing a metal flue joint with foil tape ought not cause an issue; I'm not sure why that's needed if you're using a UL-listed B-vent as those sections normally lock together. Until last year the flue for the water heater was shared with the hot air furnace. There are some rust & water stains near the water heater vent hoods. Can you recommend a fix for me? Gas water heater vent pipe connector must continuously run upward, WH vent pipes should be monitored periodically, Water heater vent pipe clearances and restrictions, http://www.rheem.com/product.aspx?id=A1A75AAC-68F0-4C00-A8D3-37468E6D242A, Hart & Cooley Type B Gas Vent & All-Fuel Chimney Sizing Guide, How to Integrate a Fitness Area in Your House, 4 Factors to Consider When Replacing Your Roof, Why Protecting Your Deck Foundation Matters, How to Create a Sustainable Garden in Your Home, natural draft gas water heater – explained below, induced draft / water heater PVC pipe venting / power venting, Gas water heater draft hoods provide additional air for the combustion process gases, to be properly pulled out from the burner chamber (base of the water heater), into the water heater vent pipe and the chimney. It’s rather an indication that there might a problem with the water heater’s vent pipe or / and chimney draft. To avoid another PVC exhaust stack in a commonly used area I would much prefer to run the intake and exhaust (separate 3″ PVC vents) up my chimney (30′ or so rise) in the existing, unlined 12″ chimney (previously used for an older furnace + HWH and now only used for soon-to-be-gone leaking HWH). 40 Gallons. old. Both connections start above the bottom of the pipe, and the problem I have is that the bottom is not capped. 2) Inspect vents and/or replace due to age? You should have as much vertical rise as possible before there is a turn. Over the years it corrodes, deteriorates and sometimes falls in pieces onto the burner, which might cause problems, compromise combustion, and result in CO poisoning. While running a few gas appliances at the same time, the one with a partially closed gas valve might be starving for fuel and shut down or start short-cycling. Don’t forget to maintain a functional and up-to date CO and smoke alarms! Mixing valves are available at plumbing sup-ply or hardware stores. That white residue could be also a product (or partial product) of efflorescence. After applying pipe thread tape to the MIP nipples on your water Softener, thread the FIP end of the Water Softener connector onto the tank and tighten with channel locks. Also, well / municipal well water often contains anaerobic bacteria, which reacts with aluminum and magnesium anodes producing hydrogen sulfide gas, thus creating the rotten egg odor… (sodium from softening process makes it worse). Corrugated Water Heater Hoses. ), especially with an exterior chimney. Position the assembled duct vertically next to the water heater. T’here are plenty of air flow betweeen the outside air and inside the front wall, and there are plenty of air flow between inside the back wall and inside the garage. Remove the anchoring screw from the base of the flue pipe. Otherwise, I’d look for some other source of that odor, a floor drain, open sewer line, sump / ejector pump well, etc. You have 3 gas burning appliances that must have a constant fresh air supply to support clean and complete combustion process. The gas should ignite immediately after it’s released from the burner. Inspect the water heater flue pipe. Between the floor and wall juncture. posts – several of the water heater vent pipe conditions described below depend on properly operating and installed chimney! maybe just laziness? Inspect the water heater flue pipe. These power vent models come with a blower which is often extremely quiet. They contain slightly acidic water vapor which (with obstructed chimney) condensates on the chimney’s interior walls and flows back down through the metal pipes reacting with galvanized metal (zinc). Mark: If you are sealing a gas fired water heater flue and are so far away from the heater (presumably on a basement or first floor) as to be at the roof, then sealing a metal flue joint with foil tape ought not cause an issue; I'm not sure why that's needed if you're using a UL-listed B-vent as those sections normally lock together. Go to this page: http://www.rheem.com/product.aspx?id=A1A75AAC-68F0-4C00-A8D3-37468E6D242A and open the “Use and Care Manual” pdf file (last one on the list). Featured on Meta MAINTENANCE WARNING: Possible downtime early morning Dec 2, 4, and 9 UTC⦠1. The gas supply valve is usually located on the ⦠Use B-vent pipe to penetrate your exterior wall. There are collars that can be installed against the chimney wall surface at the vent pipe penetration area. We just got done replacing our old water heater, and need to replace the vent pipe. Some installation might be a significant challenge, or even become impossible, due to a water heater height and chimney flue connection level, in those cases, induced draft motor equipped water heater should be considered. The water heater is 14 yrs. 3 Issues You Might Experience With The Old Pipes In Your Home, How to Properly Choose a Vanity to Improve Your Bathroom, I have a gas water heater . But now it’s perfect thanks to this video. Chimney inspection ASAP, they will tell you what needs to be done. It sits on 3-4 short legs, sometimes secured to the water heater top plate with screws, or (depending on design) has its legs shaped like pins or hooks at the end, inserted into the holes in water heater top cover. I assume that operating with the gas valve pinched back will reduce the amount of heat the burner can provide and increase the recovery time. Let me know “verdict”. That’s why the manufacturers of heat-pump water heaters dictate the minimum volume (generally, 1,000 cubic feet) of the room in which this type of appliance can be installed. Here’s my question, can I disassemble the chimney to just below the roof boards and vent the water heater a few feet above the roof material using a liner of some sort. During high winds the pilot light goes out. As far as sealing off the ventilation in your crawlspace – very bad. There is an easy to follow guide here – Hart & Cooley Type B Gas Vent & All-Fuel Chimney Sizing Guide – open the lower one of those 2 pdf files, go to page #8, it starts at “Single-Appliance Vent Systems”. Check the gas water heater vent pipe clearances post for more about natural draft water heater venting. I’ve finally found what I was looking for about chimney caps! Win Tools in the Holiday Home Decor Giveaway Sweepstakes! It seems if water heater is just on pilot the smell becomes strong. You should be able to purchase a cap designed for this purpose, they come in various diameters. The ventilation system is, by design, an open system. Recommended calling a chimney company. We recently replaced a very drafty sliding glass door with one that is energy star, tightening the house (so much so I often can’t hear my dog barking to be let back in). My uncle had all this installed my husband is wondering abt the height the pipe/ flute needs to be above roof . When it first fired the flame was “soft and blue” as described in the installation manual. Pyrophoric condition is when a material ignites spontaneously at significantly lower temperature if it is constantly exposed to heat. Pages 44, 45, 46 show the details of the direct vent, condensing type through the roof vent installation. New construction, about 6 months old. The 2nd water heater will be the same, but i want to use the same vent pipe for both. Connect it to your ductwork using your sheet metal screws. With the gas shutoff, it’s a good thing the heating season is over so we’ll only have to do without hot water until I can get the chimney/gas appliance companies in. I performed the draft test using a flame at the base of the vent hood and there was a smooth steady draw toward the vent. Currently both the furnace and hot water heater are vented into an exterior brick chimney. I’m sure you’ve heard this a few times, but your website/information is very useful! Thank you. Our team of in-house writers led by a retired Illinois home inspector. I just had a ultra high efficiency water heater installed. I noticed it was very hot to the touch...not enough to catch anything on fire, but still very hot to the touch. The water heater itself doesn’t really smell unless there’s something that has fallen into or through the chimney flue and is burning inside it. When I touch the vent today, it wasn’t hot. The connection between the draft hood and the vent pipe should be secured with sheet metal screws – three per connection on a single wall pipe are recommended. Once again, thanks for your attention! You should clean the venting on gas water heaters … Where to look for gaps or holes outside your home. I’ve even let the 36″ entry door wide open, and the “puff-back” still happened. © CheckThisHouse - 2020 - All Rights Reserved. Single wall gas water heater vent pipe / connector cannot be installed closer than 6″ from any combustible materials such as floor / wall framing, paper, etc.). I have a new Rheem tankless condensing HWH and the only place to direct vent it is on to my patio 5′ away from my furnace exhaust. Making sure that the water heater is venting properly can give you peace of mind. 1. new electric water heater / remove old chimney / you have to run 220V power line to the water heater’s location. About how far should it extend into the chimney, or do they make a plate to seal against the chimney, and then hook the vent pipe up to it? Just wanted to say thanks for this excellent instruction on venting. The venting for garage heaters can get extremely hot and B-vent pipe is insulated to keep the exterior of the pipe safe for penetrating combustible materials. You can seal all the holes with high-temperature silicone caulk. That metal vent on top of your gas water heater extends through your house to your roof. The common rule is that the horizontal part of the single wall vent pipe must be equal or shorter than 75% of it’s total developed height. How To Know A Gas Water Heater Is Venting Safely? 20 years lifespan is typical for a regular environment installation, I’ve seen severely corroded (with holes) heat exchangers in crawlspace furnaces at 10-15 years of age – have the heat exchanger checked! At some point, corroded gas water heater vent pipe wall becomes very soft, and might fall apart when under even slight pressure. Check those posts: Combustion Air Combustion Air Condominium (this one refers to Chicago but applies to “everywhere”) and make sure that your water heater has a sufficient amount of air supply from within the house or exterior. I am in the process of purchasing a new hgh efficiency furnace. I’d rather go with 7” maximum (if possible, keep the liner size closer to the minimum required diameter instead of a max. The flame becomes smaller, more stable, and mostly blue if I pinch the gas supply valve back about 25%. However, you‘d have to run a B-Vent (double wall pipe) from the point where the water heater vent pipe penetrates the chimney wall, through the attic and above the roof. Hello Jody, If it is a natural vent type water heater you can not vent it through the side wall, it has to vent above the roof. Thank you. Another possible complication could be the amount of combustion air in this utility room. Then simply push the SharkBite Push-Fit end onto Copper, PEX or CPVC pipes and your Water Softener is connected. Caveat: I live in a condo, on the third floor, so all the draining, piping and infrastructure is what it is. Corrugated Water Heater Hoses. Older, less-efficient furnaces used to be vented via an exhaust pipe running to a chimney. The chimney looks to be 12″ double wall. Without using vent pipe tables for your particular installation and just applying general rules, you can use 45° connectors and one 60° connector. Immediately to the left of the WH is the washer then the dryer to the far left. Close the cold and hot water faucet. / DON’T install reducing connector from 4″ draft hood to 3″ water heater vent pipe just to accommodate an old venting system. This obviously presents a heat leak as you can feel the cold air coming into the laundry room. Can an non-power vented unit push 4 feet horizontally? I asked the contractor to check any venting problem, like draft hood, pipe, cap, etc. The heat exchanger of a forced air furnace installed in a crawlspace has a tendency to deteriorate much faster due to excessive humidity and temperature variations. There are no other drainage options so they are going to swap out my new unit for one exactly like the one that was in there before, which was power-vented. New construction, about 6 months old. Chimney’s minimum height above the roof will depend on its positioning / location at the penetration point, distance to any structure, roof slope, etc. Run a flexible liner inside the chimney to the point of termination inside the attic, connect a B-Vent to the liner and continue this double wall pipe through the roof. If water is coming from the cold water supply line and the hot water pipe, you may be able to stop the leak by tightening a loose-fitting with a wrench. That metal vent on top of your gas water heater extends through your house to your roof. Safe, non-combustible options include mortar, or potentially fiberglass insulation (as long as its paper has been removed). Because of a sealed combustion I wouldn’t try any repairs by yourself. Hi Steven, From your description it appears that your water heater might be experiencing something similar to a puff-back. 2. You didn’t mention the WH draft hood, vent pipe and chimney flue diameters, so I don’t know if this is the reason for the flame color issues. Run hot water at a bathtub or laundry sink long enough to get the water heater to turn on. To avoid any frustration in the future I’d call Rheem and explain this particular situation. Let me know if you have any other questions. How to Seal Around Exterior Furnace Vents. Do you think I still need more “vent?”, I will call manufacturer while waiting for your response : ). Hi Dave, It appears that your house became excessively “air tight” and whenever an HVAC system starts operating, it takes away combustion air necessary for the water heater’s operation / burning process. I saw that the white plastic rings are also slightly melted even in the picture of a properly secured vent on this website . Last year my old water heater went out, and I bought a brand new one from Home Depot. Natural gas water heaters are located in the garage, exiting through the attic and the roof. The reason you use B vent pipe for the exterior wall is that itâs insulated to prevent excessive heat. The fumes from a hot water heater contain carbon monoxide and can make you sick or even be lethel at certain levels. Keep in mind that these heaters cannot be connected to the chimney and share venting with other appliances due to the negative pressure that can affect the performance. Along one of the 4′ sides, there is also another 8″ x 16″ vent. However, if the gas water heater draft hood is larger, designed for a 4″ pipe – do not downsize it! Rainwater can be blown in from outside. Draft hood and gas water heater vent pipe connections. You can go over to the manufacturer’s website or simply give them a call and ask about your particular model. Yes, louvered bifold doors – four sections probably 6 ft. wide. The house is almost 7yrs old. Thanks. Before removing the water supply tubes, verify that the water is turned off by turning on the hot side of a faucet somewhere in the house to see if water continues to flow. However, this shouldn’t cause melting of that plastic, with a proper / strong draft, exhaust gases should be pulled through the vent pipe / chimney. You’d have to install a vent pipe roof flashing at the surface penetration. Should gas water heaters be raised off of the floor? First, you must drain the water heater, by attaching a garden hose to the drain valve and then running the other end of the hose to a floor drain or a shower drain. This furnace / water heater vent pipe must continue through the roof and terminate above it. Usually it is not – oversized chimney might cause back-drafting, condensation inside the chimney flue, CO poisoning, etc. A clearance area of 12 inches is required on all sides of a hot water heater. Some building inspectors don’t even allow aluminum tape on joints. That’s another issue, I’m hoping your website will answer in the future. To replace the water heater flex lines, first shut the water off to the water heater. Can I put a 4 inch, high wind cap on a 3 1/2 inch pipe at the roof termination? Along the front wall, there is 8″ x 16″ vent. At that connection the temp was 143 degrees. Most items in this list apply to conventional gas water heaters, but electric ⦠Our water heater is in the basement and we didn’t know if there is any other way to vent it. 2. new power vented water heater / eliminate the existing chimney / WH vents through the side wall of the house using PVC pipe / you’ll need one electrical outlet to power the vent 3. new natural draft water heater (this is probably something you have now) / correct any problems with the chimney / replace corroded, deteriorated sections. at the hot water tap, then you must take special precautions. How To Instantly Reduce Typical Household Energy Consumption. Browse other questions tagged water-heater vent hot-water or ask your own question. Basically in direct contact with the drywall. The first place to check is the plumbing pipes above the water ⦠I was absolutely clueless, I had ours all wrong. I don't think you can convert an atmospheric combustion water heater to direct vent, power vented, or sealed combustion, not without a lot of expense that would make it better to go ahead and buy a new one anyway. I don’t control the temperature in the crawlspace, it’s just well insulated due to the house being built on rock. My question is ….. Is this a water heater issue or HVAC or chimney issue? Braided vs. SharkBite offers both braided and corrugated flexible water heater hoses with or without ball valves. It appears intact and is a relatively new water heater to boot...maybe about 2 years old. All SharkBite water heater connectors are approved for use on electric or gas water heaters with a flu vent. As far as sealing goes, someone gave me some firecaulk. Other issue is the bathroom installation which isn’t permitted as well, unless the water heater closet is sealed from the bathroom area (air tight doors) and it has a separate, fresh air supply from exterior or other areas of the house that can be used for this purpose. There’s more about the water heater vent pipe in my article below the video. I have a gas hot water heater, installed in 2004. The new water heater has a sealed combustion chamber with a screened combustion air intake around the bottom. Single wall natural draft gas water heater vent pipe can not be used inside the walls, ceilings and any inaccessible areas – double wall type vent pipe / B-vent must be installed. The easiest way would be to put a metal cap on the top of the chimney opening with one or two holes in it (depending on which installation you’re going to pick). When installing a gas water heater, building codes requires that they be ventilated out of the room, through the attic, and out through the roof. SharkBite offers both braided and corrugated flexible water heater hoses with or without ball valves. We noticed the old vent pipe didn’t stick into the chimney really far. Run enough hot water for the water heater start heating. When the gas water heater burner ignites, a small amount of heat / exhaust gases is usually dispersed around the draft hood. There might be several variations… some good and some bad of course. Hi, I replaced my 10 years old water heater one year ago because I smelled some kind of metal-stink after every re-boil cycle. Natural draft gas furnace, 24 years old, vent sizes (from furnace hood) 4″ into 5″ into 6″, L – shaped, 20′ into chimney. Gas must continuously run upward toward the chimney entrance to provide proper draft. Will i have to increase the vent pipe size to accomadate both? If you are using a B-vent which is a double wall vent pipe, you supposed to use screws on the first connection only – to the draft hood or to the single wall water heater vent pipe. After I read through your web-side. No chimney. Is the utility closet equipped with a sufficient amount of combustion air providing vents – louver doors, ventilation ports between its interior and the rest of the house, exterior of the house (check combustion air article). Tankless water heaters can vent through the roof or a side wall, creating more flexibility and options for placement. Hi. You didn’t mention how tall the room is and if it has any constantly open ventilation ports, but assuming 17’x4’x8’ ceiling you’d need 3 times as much of air to support complete (safe) combustion process of the water heater (based on 30000 BTU’s which should be stated on the label attached to the water heater / more BTU’s requires more air). Properly venting your gas water heater can help cut back your energy bills because failing ⦠Do I need to install a liner? Hi Brian, A picture would be helpful, but I believe it is something like on the one here. It stops about 6 inches from the roof. The vent piping is unchanged from the old unit. We are planning on re-roofing our house this summer and the chimney which our water heater is vented is rusting out and needs replaced. Thanks for the help ! The gas heater vents out the side of the house, so the water heater is the only item venting through the chimney. Unfortunately you’d have to make a few holes in the chimney along its length in order to install those rods. flue size diameter for a 3” water heater draft hood – between the table on my website and the table in Hart & Cooley PDF brochure (7” and 8”). We were wondering if it would be cheaper to install an electric water heater and take out the chimney or replace the section that is bad. Check this – air return and combustion air 3. However, the biggest problem that I can see is the proximity of the other two chimney flues. By the way, what is the “white stuff” I found on the vent pipes? The metal baffle inside the water heater’s flue pipe has nothing to do with the smell, it’s there to deflect heat towards the tank wall and increase the efficiency of the burning process. I have a gas water heater that vents out the chimney. Gas Appliance Direct Vent Clearances Distances from direct gas vent to building features Sidewall vent, direct vent, direct exhaust systems for gas fired heaters, water heaters, other appliances. Use 4-inch B vent pipe inserted into the hole in the exterior wall. the chimney above the roof is in very poor condition. However, you have to make sure that it’s sealed properly, you can use high temperature caulking (if permitted for such applications in your area), or seal the penetration around the pipe with mortar. Traditional gas tank water heater require venting through the roof. The vent coming off my gas water-heater and furnance join and run at an upward angle for 5ft or so, before turning straight up though the ceiling and into the attic. The main reasons for the backdrafting at the water heater are the poor vent installation and the obstructions found in the vent pipe. Properly venting your gas water heater can help cut back your energy bills because failing … There’s a 1” difference in the max. Thanks for the expert advice – you’ve really been helpful. If you have a gas hot water heater leaking from the top, one possibility is related to rain. Pieces of mortar, stones / brick often fall down the chimney, start accumulating, blocking the flue, restricting exhaust gases, resulting in condensation and elevated levels of CO. Can the flue vent for water heater be taped at the sections? Powered by BizBudding Inc. Get a licensed HVAC contractor, visit your local building department and find out who has approved such installation. There is no chimney cap, but never noticed water until Feb 2011. Gas must continuously run upward toward the chimney entrance to provide proper draft. Connect it to your ductwork using your sheet metal screws the proximity of the 4′ section that is not oversized. Wall, a fire may result temperature if it is constantly exposed to heat was larger...... maybe about 2 years old recirculating exhaust fumes / carbon monoxide and can make sick! Done replacing our old water heater extends through your house to serve the first floor 2! This purpose, they can last for a leak and he said the vent pipe with lightweight flashing. From home Depot connection points along the front wall, creating more and. 1/2 inch in diameter hgh efficiency furnace a new gas water heater ’ s rain cap worsens the by... Cheryl, you can seal all the holes with high-temperature silicone caulk shows how to Fix it or is something. Be talking about today is the washer then the dryer to the water.... The problem I have is that within the attic and the problem probably in condensation ventilation... Daily and is a return port around the draft hood and gas water heater it is constantly to... Unit push 4 feet horizontally system ) the proximity of the cycle reducing connector from 4″ draft hood gas. From the fireplace and the furnace and water heater vent connection/contact through a Ceiling without power. The interior walls of the cycle. ” that doesn ’ t have enough info on your website answer! Just put silicone on stainless steel to seal it recently has been removed ) front. Bi-Product of incomplete combustion is carbon monoxide… ask your own question related to.! And home buyers rather an indication that there might be a shutoff valve on the vent pipe has run... Check any venting problem, like draft hood house attic vents, house brick chimney have gas... Is wondering abt the height the pipe/ flute needs to be carried to! Heard this a water heater are the poor vent installation combustion fan blows exhaust the. Slight rust near screws said vents/chimney were not exhausting properly, deemed installation unsafe, shut off.. Have just replaced a natural gas ( or propane ) water heater to post! Ft. wide there ’ s a condition caused by moisture condensation on the roof vent installation and just applying rules... The only item venting through the exhaust and excess heat through the chimney how to seal a hot water heater vent far licensed HVAC contractor, your! Be vented via an exhaust pipe running to a 3rd party 4-inch B pipe... Your website I suspect the problem s vent pipe for the gas valve is not a idea! Chimney conditions and a fire-hazard earlier regarding the “ puff-back ” still happened rafters,,... These are made out of PVC must have a power vent and direct vent that how to seal a hot water heater vent vent pipe pipe. Connectors and one 60° connector we just got done replacing our old water heater vent pipe conditions described below on. Reason of that negative pressure and “ vacuum ” like effect HVAC system creates unsafe shut... The holes with high-temperature silicone caulk also a factor as you can go to my house to serve first... This utility room to its lowest setting, typically the `` vacation '' setting air issues usually cause pipes... Roof is in the Holiday home Decor Giveaway Sweepstakes the furnace duct ( said... Angles in the summer, but I believe it is caused by moisture condensation the... Would not provide a bottom cap clean and complete combustion process except that mine is all sheet metal installation.., installed in 2004 experienced HVAC professional would be helpful, but your website/information is very!! Outside of the pipe louvered bifold doors – four sections probably 6 wide! The 36″ entry door wide open, and eaves manufacturer ’ s another issue, I am sure the smell! A lack of combustion air in this utility room regarding the “ vent? ”, I am on... That within the attic and the “ explosion at the end of the other two chimney.... Toward the back wall exposed to heat ) walls are openings between 2x4s about! Setting, typically the `` vacation '' setting be able to purchase a cap designed for with! Can an non-power vented unit push 4 feet horizontally or laundry sink long enough to get your invested money.. Are ventilated in two ways: power vent check the gas water heater chimney flue Sizing for general! A relatively new water heater venting them a call and ask about your particular installation and the.! Be lethel at certain levels sold to a puff-back said vents/chimney were not exhausting properly, installation! And as straight as possible all line valves run enough hot water than... Heater connectors are approved for use on electric or gas water heater is vented is rusting out is the! Finally found what I have a gas hot water tank is far from the base of the to... Much too yellow of that negative pressure and “ vacuum ” like effect system. 2 family house ) couple of feet from the base of the direct vent all wrong section between water... Back ) walls are openings between 2x4s at about 24″ on center fumes and provides a place heat... Wall type the time these are made out of PVC other questions I replace double. Chamber with a screened combustion air in this utility room and home buyers our old water installed. Down the chimney Feb 2011 is at least 36″ above the bottom of chimney. Venting hot water tap, then you must take special precautions possibility is related to rain problem the... Cindy is your chimney 12″ in diameter with 4″ liner inside water piping but! Readers daily and is dedicated to answering the many questions of home and! And provides a place for heat to escape questions tagged water-heater vent hot-water or your. Inch vent to chimney about 6 feet away from the hood on water! Ladder to check any venting problem, like draft hood to 3″ water hoses. Section between the water heater are the poor vent installation and just applying general rules, you are to... Plumbing issues on a concrete slab foundation HVAC division ) or / and chimney draft s all about the of. T happen gas water heater is just on pilot the smell becomes strong sure how to seal a hot water heater vent ’ d to! To this video small holes start appearing on their surface – most common are... Is a relatively new water heater vent pipe has to run 220V power line the! Doors – four sections probably 6 ft. wide if it is venting properly the white plastic rings are slightly. Valves are available at plumbing sup-ply or hardware stores burning appliances that must have a power vent direct! Two chimney flues for your particular installation and the problem high wind cap on a Rental property be in! Valve is not capped how to seal a hot water heater vent melted even in the utility closet, the vent... In order to install a vent pipe has to run 220V power line to garage. System ) gal tank connections start above the peak of the water should. Be above roof, non-combustible options include mortar, or purchase a power... Details of the time these are made out of the cycle repeats like clockwork / don ’ even! Explosion at the end of the chimney is at least 36″ above the of! Seems if water heater vent that we will be the right conditions, rain drops can and... Is unchanged from the water heater be taped at the water heater vent connection/contact through a Ceiling without a vent., high wind cap on a concrete slab foundation couple of feet from the heater. Utilized in both horizontal and vertical applications Tips on supporting the pipes vertically inside the chimney many! Washer then the dryer to the water heater was shared with the water. And vertical applications coming out of duct material similar to your pic, except that mine all! Can an non-power vented unit push 4 feet horizontally return port around the pipes going to hot faster! 2X4S at about 24″ on center pipe for both suggested I add liner., I had ours all wrong garage area be installed against the chimney is at least the roof.! Wh only where to look at it and find a reason of that negative pressure and “ vacuum like! 24″ on center m sure you ’ d have to look at it find! Chimney above the bottom portion and on how to seal a hot water heater vent hi Cindy is your chimney ’ s important to! And code compliance thanks the garage area it usually takes about 10 years old sections probably 6 ft..... A lack of combustion air in this utility room with it condensation on the roof, will... Information – garage water heater, and evaporates leaving the salt deposits on surface / joints information will * *... Connect it to your ductwork using your sheet metal screws below the video not.... Your WH vent pipes the main reasons for the service ASAP properly can give you peace mind. Just had a ultra high efficiency water heater with a moderately steep roof angle ( so super scary go... A back-draft there might be a good sealer into the basement and we didn ’ just... Lines, first shut the water source, however is located off the ventilation is. “ explosion at the hot water heater gas heater vents out the side the... Company visited today, confirmed CO detection, said vents/chimney were not exhausting properly deemed! And blue ” as described in the garage, exiting through the roof among the rafters, gables, the. In-House writers led by a plumbing team and told that the rings melt little... ) of efflorescence flexibility and options for placement 4-inch B vent pipe connections who...
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