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| Hi all.
I want to move the vent for my gas water heater through the side of the house. The vent used to go through the ceiling, but we moved some things around and now it needs to go sideways. The run is about 10 feet straight out the side. Easy access. Wondering if I need type B piping and how I run it through the ledger and terminate it. Thanks. |
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| Unless the water heater is made for a horizontal sidewall termination, it cannot be done. You might be able to put a vertical chimney outside and connect to it though. Call a gas tech or a plumber. If you do it wrong the thing might not vent properly, filling your house with CO. |
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| I thought there had to be a certain amount of rise for every run in the pipe to make it work. Are you saying you can't run any pipe sideways (at a slight angle up)? |
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| You can, however I do not know the ratio. |
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- Posted by alan_s_thefirst (My Page) on Wed, Oct 20, 10 at 2:59
| Your best bet is to consider changing over to a PowerVent-type HW heater, they are vented out through the wall using PVC pipe. If you have a furnace (I'm assuming not) and were to keep using the B-vent, it would probably need to be sleeved or reduced in diameter, since it'll be carrying less exhaust. If you don't, you will have condensation issues. If you can't get clear written directions on the regulations and how do install, consult a pro - you could easily gas yourself. |
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| All I want to do it take a 90 degree pipe of the top of the gas wh and run a pipe about 10 feet sideways and out of the side of the house. I could have a rise of a foot over that 10 feet if I need to. If that's acceptable, how do you run it through the side of the house and terminate it? |
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| These are the rules in my Ontario: 8.14.2 8.14.4 8.14.5 8.14.6 8.14.12 Please get a qualified installer to find a remedy for you. |
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| We just did this with a 12-year-old gas water heater, so it can definitely be done. You should check your local code for the specifics, though; they vary. In our city, it just had to meet the proper ratio of horizontal and vertical rise. Ours goes through the wall and up the side of the house, terminating just above the roof line. We hired a local HVAC firm to do the work, though, which was well worth it. Took them half a day. Would have taken me that long just to research how to do it properly! |
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| Exactly. Terminate above the roofline. The OP wants to terminate out the sidewall, which likely cannot be done. Let us know what you did to resolve this. |
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