Barnes & Jones 3421C Cage Unit Cover for Cashin-Thermoflex 12 1/2" and 4 other models

Barnes & Jones 3421C: cover assembly for Cashin-Thermoflex 12 1/2" and 4 other models, matched to cage unit 3421.

Fits: Cashin-Thermoflex 12 1/2"; Cashin-Thermoflex A200 1/2"; Cashin-Thermoflex B200 1/2"; Cashin-Thermoflex B200M 1/2"; H.O. Trerice 100A 1/2".

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.