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

What is this?

I just visited an old building with a steam system that is about 100 years old. I saw this valve and would love to know what it is called. The radiator has this on the inlet as well as as a trap on the outlet. It is a downfeed system. Thanks
This is what I love about this industry. No matter how much you know, it has a way of humbling you.
Ray Wohlfarth
Boiler Lessons
Steve Minnich


Sign In or Register to comment.


It looks like you're new here. If you want to get involved, click one of these buttons!