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My wife's shower has a 20 year old Grohe thermostatic shower valve. She is complaining that after operating seemingly properly for 10-15 minutes, it then only delivers cold water in spite of the fact there is plenty of hot water in the tank. As near as I can tell, its a "Talia" model which...

I have a 20 year old Super Hot Saturn Series 270K BTU boiler. It provides heat for an indirect water tank and 6 radiant floor zones. Its working fine and I've never had any trouble with it for 20 years. :):):) Mostly out of curiosity, I have "instrumented" my heating system. I can...

My house has radiant floor heat and a large NG boiler as the heat source. DHW is generated by a side arm water tank. House is now 20 years old. Everything still works fine. But I'm told boilers last about 15 years and I'm living on borrowed time. Considering a pro-active boiler...

I'm exploring the installation of a Lochinvar Knight wall mount boiler. Model #WHB085N. I have a slightly tight location. The installation guide says a 12" service clearance is required on the left side. I can probably make this 12 inches, but something less opens up some attractive...