- #1
joniverson
I have a glass aspirator vacuum pump that has a built in one way check valve, but after a week of use, it no longer functions and when input water is turned off, there is a sudden backflow of water into the vacuum line. I'd like to add a one way valve inline to allow the vacuum pull but not water reverse flow once the input water is shut off. What would be a suitable, cheap valve? First thought was to use an aquarium check valve, but I'm reading that they restrict desired flow too much (which in my case would be the vacuum flow). Thank you!