Recent content by ari

Thanks @Jeff H Young and @Terry. Water test it is.

Yep that makes a lot of sense. I'll use water. Same question about bypassing the pressure reducing valve, would I risk damaging it if I were to pressurize via an opening downstream from it?

Hi, I would like to pressure test my PEX system before use. It seems this is often done with air. I found a hose fitting with a Schrader valve and my plan was to use my bike tire pump which has a gauge on it. The system also contains a gauge, as well as a pressure reducing valve with an outlet...

thanks!

Yes

In my residential water supply system consisting of 3/4" pex, I have a section that I would like to have the option to bypass. The most inexpensive way I can think of is to use 3 two way ball valves in the configuration pictured. In this configuration, when the bypass valve is closed and the...

yep! that's how we've got it oriented.

Wow thank you Wayne! This is more than I could have hoped for. Thanks so much for explaining so well and working through an example of an intimidating-looking equation. I got a ratio of 13 for two 7.85' runs of 0.545 ID pipe which I think will be okay considering the DWHR is only a couple feet...

Hi, first off, I'd like to thank this forum for all the plumbing advice I've read as a guest. I haven't been able to find an answer to this particular question so I finally joined. I am making a heat exchanger for my shower trap arm. I have a 2" section of copper drain pipe that I want to coil...