pcthiker
New Member
I have a pipe from my dehumidifier joining a 3/4" pipe that is usually dry but can have flow when it rains. I am trying to prevent backflow from the main pipe up to the dehumidifier when the water in the main pipe gets going. Doing a little research I went looking for a normally open check valve since I wont get any pressure from the dehumidifier for 3/4" pvc pipe, but I can't seem to find it. Is there another product or other phrases I should be searching for? THanks in advance for any suggestions!