dean_a1
New Member
Hi -
I have a city water system and am in the process of replacing my expansion tank. Step 1 of course is to measure static pressure in the system (in order to determine the expansion tank pre-charge). However, when I first measure the pressure from one of my hose bibs, it's 60 psi, but after a few minutes it slowly increases to 78 psi.
So the question is - what pressure do I use as the true static pressure when determining the pre-charge in my expansion tank?
Thanks for any input!
I have a city water system and am in the process of replacing my expansion tank. Step 1 of course is to measure static pressure in the system (in order to determine the expansion tank pre-charge). However, when I first measure the pressure from one of my hose bibs, it's 60 psi, but after a few minutes it slowly increases to 78 psi.
So the question is - what pressure do I use as the true static pressure when determining the pre-charge in my expansion tank?
Thanks for any input!