3
votes
1answer
2k views

Should the sight glass of a steam boiler always be within the recommended range? Or only when firing?

We just had a new steam boiler installed and it is working great; all radiators are hot when the heat turns on etc. One thing I noticed though is that the site glass for the water level reads too ...
2
votes
1answer
2k views

Should I use thread-seal tape for steam pipe?

I am getting ready to replace the pressuretrol of my oil-burning steam boiler, which provides heat and hot water. Should I use thread-seal tape (aka. Teflon tape, PTFE tape, tape dope, or plumber's ...
2
votes
1answer
1k views

Can I trust my pressuretrol?

My steam boiler, which supplies both heat and hot water, turned off a day or two ago, resulting in cold water. After some debugging, I found that the problem was with the pressuretrol, the device that ...