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this factory-authorized part serves as the direct replacement for legacy ICP numbers P441-1153 and P441-1235
allowing you to manually open the valve for filling or purging the system
it serves as the direct replacement for IS20144-3331
Check for debris in the target burner and ensure the 1/4 inch gas line is free of obstructions
Rheem-Ruud 42-24166-81 Pressure Switch Els PW 17895 this factory-authorized part serves asFor veteran HVAC technicians and service contractors, the Rheem Ruud 42 24166 81 Pressure Switch is the definitive OEM replacement for maintaining the safety loop in two stage gas furnaces. This dual pressure switch assembly is factory calibrated with precise setpoints of 0. 15" WC for low fire and 0. 30" WC for high fire operations, ensuring the inducer motor maintains the necessary static pressure for safe flue gas venting. Designed specifically for
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