black tank flush port
I have a 2008 coachman Pathfinder diesel pusher which has a hose connection in the wet bay for a black tank flush. My question is ; do my other valves in the wet bay need to be in a particular configu...
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If you haven't used it you should fist locate the Anti-Siphon Backflow Preventer device
It is installed at least 2' above black tank...typically inside bathroom sink cabinet
It acts like a check valve when water supply is turned off...allows air to enter tank side line so water drains back into tank
When water supply is ON the disc is pushed up blocking the air inlets
If it doesn't seal off...water POURS out and can flood bathroom etc
Water supply goes in bottom connection and flows to tank nozzle out the side connection
Someone should watch it when first using to make sure it doesn't leak
Cheap plastic ones are typical...better brass ones are available
It is installed at least 2' above black tank...typically inside bathroom sink cabinet
It acts like a check valve when water supply is turned off...allows air to enter tank side line so water drains back into tank
When water supply is ON the disc is pushed up blocking the air inlets
If it doesn't seal off...water POURS out and can flood bathroom etc
Water supply goes in bottom connection and flows to tank nozzle out the side connection
Someone should watch it when first using to make sure it doesn't leak
Cheap plastic ones are typical...better brass ones are available
