With winter approaching, I want to tune up the old burner. It is a Weil Mcclain gas fired furnace.
Of interest, I am reading just about 0 psi on the temp/pressure gauge on the side of the unit. When I bought the house a year ago, I was told it was just checked and read 18 psi... Either the gauge is busted, or I have a pressure problem. I opened the fill system fill valve and it did flow, and it does not seem to be leaking. Maybe it will not maintain 12-15 psi???
I have a water pressure gauge I could attach to one of the drains to test the pressure. Would this be a good first step?