Barnes & Jones 3549C Cage Unit Cover for Marsh Traps 14 6/4"-2" and 1 other models

Barnes & Jones 3549C: cover assembly for Marsh Traps 14 6/4"-2" and 1 other models, matched to cage unit 3549.

Fits: Marsh Traps 14 6/4"-2"; Marsh Traps 514 6/4"-2".

A Barnes & Jones cage unit contains every working part of a thermostatic steam trap, including the seat, calibrated together under steam at the factory and locked into a stainless steel housing. It drops into the existing trap body as a one-piece, removable, testable unit, with no loose parts to align or over-tighten. Type A units serve vacuum to 25 psig, Type B to 65 psig and Types C and D to 300 psig.