As I mentioned in last week's blog post, expansion tanks are required when water in a home can't expand back into the water main. This might be caused by a check valve, a backflow preventer, or a ...

I have gas+hot water heating. 2 zones. Replaced circulator in Jan. Everything was fine until late March. Now have banging noise, on start-up, that sounds like expansion tank noise but is coming from ...

A combi boiler’s pressure is crucial to maintaining a smooth operation of your heating and hot water system. If the pressure isn’t within the safe zone, then problems will arise. Too high, and it will ...