draft inducer on shared flue
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draft inducer on shared flue
Currently I have an older furnace that doesn't have a draft inducer and the gas water heater next to it joins to the same main flue pipe to the roof. Sort of a 'Y' connection. My new furnace will undoubtedly have a draft inducer, and I don't know anything about them. Couldn't it just start blowing up and then down to the water heater's flue inlet and come out into the room? Do you need some sort of oneway valve? I don't see any neighbors with separate flues. help