Cheater Vent - Air Admittance Valve
The air admittance valve(AAV) also known as a cheater valve was not closing properly in my TC and was stinking up the place. I sealed it off since I already have a vent on the roof. Now I'm wondering,...
Forum Discussion
Freep wrote:
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Now I'm wondering, do I really need an AAV? I don't have one under the sinks in my house and they work ............
You have vent pipes to the roof in the walls of your house behind sinks to prevent the siphoning. That’s different than tank vents.
