backflow

Hey TFP, I had an automatic water filler installed, and had a different guy run the water line for me a few months ago. He put in 2 manual valves, one right before the pool and one on the other end near the water supply. This is nice because I can seal it off from either end. But, he did not...

My new 18000 gallon in ground pool was installed with a Pentair 400k heater. A Pentair “positive seal non corrosive Check Valve” was not installed per the installation manual recommendation. Instead a rather short “Hartford Loop” was installed. I understand it’s important to not let water...

We have two water meters: a 1" domestic and a 2" for the irrigation and, previously, the pool autofill. The pool and house were built in the 19500s when the pool supply line could be connected to the irrigation supply line. When the pool was remodeled, the building code required the pool to...