Hi Plumbers,
I found that my water pressure from the utility is 100psi, code here is 80psi. So I got some quotes for a pressure reducer valve.
Every quote I got doesn’t include an expansion tank. I have a large tank water heater with no expansion tank preinstalled, and the plumbers keep on coming back without including the expansion tank, then I come back and say it should get an expansion tank, and they come back offering to install one as well, but always with weird excuses like:
- That’s not really required for code, but we’ll do it (yes it is!)
- The water heater should’ve had one (no! only required when the pressure doesn’t have anywhere to go… like back to the utility mains)!
What’s going on here? Why are the pros doing that?
(local code: Seattle, WA, Cascadia)
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