Barnes & Jones 30-4 Float & Thermostatic Repair Kit for Dunham-Bush 30-4 1950

Barnes & Jones 30-4: float and thermostatic repair kit for the Dunham-Bush 30-4 1950 trap. Includes cage unit 1" (Type A) and head gasket 222. Barnes & Jones replacement trap: FT2015-4.

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.