I have a Mini-Therm hot water boiler that no longer comes on when the thermostat calls for it. I have to push an ignition button each time including ~4am when the temp in the house goes below 62 degrees. The boiler also shuts itself off before the desired temperature is reached and I have to manually restart it each time. This has ended up being about 10+ times a day during really cold weather and is getting tiresome.
I've also noticed the water pressure is only at 15 psi. Isn't it supposed to be at 30 psi?
I've bled all of the upstairs radiators with the boiler on (which is what the previous owner told me) and got a small amount of air out of each one but when I opened one of the radiators in the basement, there was no valve to bleed it. I stopped at this point since the other 2 radiators downstairs are currently painted shut.
Any suggestions? Where should I start?