Webster Vent Trap

Don Pryer

A two pipe gravity return low pressure steam heating system has a 2" Webster Vent Trap at the ends of the supply mains along with a F&T steam trap. If the Webster Vent Trap is not working, What would you replace it with?

Mad Dog

Nothing! Just a replace it in pipe, and install a battery

of Gorton #2s to aid fast venting. You'll probably want to remove the check valves below it as well. Webster traps and other types really became obsolete when coal stopped being used. You must save that trap though, for historical purposes. Mad Dog

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DanHolohan

And you can read all about it

in the Library. There's also a cutaway drawing so that everyone can understand how it works.