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I am updating my one zone water heating system to 3 zones. A SR504-exp-4 Switching Relay will be added to control these zones. I found a sample wiring diagram from the Alpine installation guide. My switching relay is not the same as the one on that diagram. AND there is NO DHW in my case. We...

I have some soldering experiences on 1/2" and 3/4" pipes with propane. I am confident my skill on them. Today I just tried 1" with MAPP. The first joint is a 1"x1"x1/2" tee. It turned out a nightmare. It was burnout. I have to redo it. It seems that when the temperature reach to the point...

the one on the floor.

I am adding insulation and subfloor in the basement bathroom. I am wondering is there a way to raise the floor cleanout about 2" without break concrete and redo it?

you are right, it is a 4" CI but it is not a hub end. if it is not a hub, i can plugin that flange and make sure it is sealed properly there and it will be fine, am i right?

I am thinking about adding insulation and subfloor on the basement bathroom floor like other rooms, which will rise the floor level about 2". Do I have to break concrete floor to redo the riser? Can I use the attached flange to avoid modifying riser?