Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.

Whistling steam boiler

Options
I have a really old steam boiler(name tag fell off) that whistles only when its starting up cold first thing in the morning...any suggestions on why....by the way it's eventually going to get replaced, just interested in why it would be doing that.
This discussion has been closed.