We are looking for a top release pressure relief valve. It has to WITHOUT QUESTION release the pressure from the top. Not out the side and then pipe to the top. We have two square channles, one is 12" tall x 8" wide, the other is 9" tall x 8" wide. Both are sealed plastic units with water...
I need your help. I have two water channels that are approximately 12" tall x 8" wide, I need two pressure "top release" pressure relief valves. It has to relif from the top. We would prefer a square type valve with a flap with a round pipe top discharge. No wat to discharge from the side and...