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
Rover_Bill wrote:
My AAV's (one at kitchen sink and one at bathroom sink) will occasionally jam open when dumping the full grey tank. ..
You probably have quite common case that main tank vent pipe is inserted few inches inside the tank.
That was common issue on some motorhome black tanks and develop procedure called "harpooning"
Hacksaw blade attached to long pole inserted via 3" drain pipe would allow cutting too long pipe inside the tank.
No clue how to do it on gray tank though.
