Philtrap
Member
Folks,
I have a new installed boiler with a new cold water fill Pressure Relief Valve (PRV) which is factory preset at 12 psi. I also have a new expansion tank pre-charged at 12 psi, but the pressure in the system reaches 24 psi. I have reduced the pressure in the system to 12 psi and it always goes back to 24 psi. I've only run the boiler a few times up to 120 degrees and I'm pretty sure it would go up to 24 psi even if I didn't run it (i'm gonna try that over this weekend... not running it and seeing if the pressure raises).
Any thoughts????
The boiler directions say not to run it over 25 psi and the pressure relief blow-offs are 30psi.
Thanks,
I have a new installed boiler with a new cold water fill Pressure Relief Valve (PRV) which is factory preset at 12 psi. I also have a new expansion tank pre-charged at 12 psi, but the pressure in the system reaches 24 psi. I have reduced the pressure in the system to 12 psi and it always goes back to 24 psi. I've only run the boiler a few times up to 120 degrees and I'm pretty sure it would go up to 24 psi even if I didn't run it (i'm gonna try that over this weekend... not running it and seeing if the pressure raises).
Any thoughts????
The boiler directions say not to run it over 25 psi and the pressure relief blow-offs are 30psi.
Thanks,