flow

Let me start by saying hello, and thank you in advance for all who read and attempt to offer advice. We have a Richmond 18kW electric tankless. It is only around 18 months old, and it's been around 12 months since I last successfully flushed it. Now, it won't even flush. When running, the...

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 the incoming water supply line around, before the supply feeds into the 3/4" inlet of my on-demand water heater. I already tried and failed at coiling 3/4" soft copper tubing around...

Hello this is my first post on this forum! Hopefully I'm putting it in the right place. Ok here goes. I live in a mobile home so I don't have extra floors. So I removed and installed a new water heater(40g to 60g) and a water softener(42k bead). When I installed I plumbed 1/2" piping for the...