expansion tank

[hidden 1]

aready got one on main line..id rather t off of it before water heater...but its not effecting much as long as its off on that line is it.its 80 at meter so im told

[jnaas2]

The pressure regulator should keep the water pressure that enters the house around 60 psi, run the water for a minute and see what the pressure is while the water is running and then see what the pressure is when no water is being used. If it stays around 60 and then slowly starts to climb the pressure regulator will probably need to be replaced, the spikes you are seeing are probably being caused by water hammering in the water lines which can lead to damaged water lines and fixtures

[rogercollins]

yeah there's an air space inside whether up or down.

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[hidden 1]

thanks but i do my own and have leads if i cant.
I will tap into main line after regulator- for the teeed single line thats not regulated- and cap that line( single high line- un regulated) off...

regulator is working great also to all lines-after it-
ill set it to 55 and tank 53.

[Redwood]

I precharge expansion tanks to the working pressure of the system.