papatarr t1_ixwk1z2 wrote on November 26, 2022 at 11:00 PM Reply to What is back flow testing ? by pghgreatest In order to do a backflip test you have to have a back flow check valve in you’re city water line. It’s to prevent water from siphoning back into the city water system. Permalink 1
papatarr t1_ixwk1z2 wrote
Reply to What is back flow testing ? by pghgreatest
In order to do a backflip test you have to have a back flow check valve in you’re city water line. It’s to prevent water from siphoning back into the city water system.