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.

Trane B-1 radiator steam traps

I have Trane B-1 vertical steam traps that have both B-1 and G marked on

the traps lower part (not the cap). The seat and bellows are both

integral. Anyone know what the G means?
This discussion has been closed.