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This 1/2-inch sweat connection 3-way valve features a 4
Common Questions Will this work with a 2-wire heat-only system
Always verify the part number against the manufacturer's data plate
always verify the specific temperature stamped on the existing switch to ensure the opening point matches 145°F
It maintains a stable 7-11" WC outlet pressure even during fluctuations
Cleveland Controls AFS-228-165 Switch This 1/2-inch sweat connection 3-wayThe Cleveland Controls AFS 228 165 is a high performance adjustable air differential pressure switch engineered for precise proving switch applications in commercial HVACR environments. Designed to monitor positive, negative, or differential pressure, this air flow switch features a versatile set point range of 0. 05" to 12. 0" w. c., allowing for granular field adjustments via the calibration spring. The snap acting SPST contact arrangement is rated
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