Posted by Richard H on December 29, 1997 at 07:41:17:
In Reply to: Re: Re: Re: Leaky hot water tank posted by Hill on December 29, 1997 at 05:25:40:
It's my understanding that you use expansion tanks for CLOSED systems only - like well systems. PRV are fine for street water. Hill
I live in Mountlake Terrace, Washington, and the city made me put on an expansion tank when I replaced my water heater. Our water does not come from a well, but from the mountains.