Barnes & Jones 3402 Type A Thermostatic Cage Unit for Marsh Traps 501 1/2"

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Barnes & Jones 3402: Type A thermostatic cage unit for Marsh Traps 501 1/2".Fits: Marsh Traps 501 1/2".A Barnes & Jones cage unit contains every working part of a thermostatic stea m 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.Manufacturer documentation: product literature. Show more