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it features a 3/8-inch ORFS (O-Ring Face Seal) connection
It features a 1/8" male NPT inlet and a 1/4" female NPT outlet
ensuring the system reaches the required pre-purge cycle for ignition
Built with Class F insulation and featuring a NEMA 4X watertight enclosure rating
failure of the valve to fully close against rated pressure
Johnson Controls WZ-1000-4 Well 318518-761 it features a 3/8-inch ORFSThe Johnson Controls WZ 1000 4 is a professional grade immersion well engineered for precision temperature monitoring in hydronic and pneumatic control systems. Constructed from 304 stainless steel, this bulb well provides superior corrosion resistance and structural integrity in demanding HVACR environments. Featuring a 1 2 inch inside diameter (ID) and 1 2 14 NPT external threading, it ensures a secure, leak proof thermowell installation. This