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The HN52SA033 features silver cadmium oxide contacts to provide superior conductivity and resist arc erosion under heavy startup loads
The York S1-024-25006-709 Pressure Switch is a critical safety component designed for precise differential pressure sensing in high-efficiency furnace draft inducer systems
it requires a minimum differential pressure (usually 5 PSI) to lift the diaphragm and maintain a fully open position
This ensures the pressure differential at the TEV remains high enough to feed the evaporator properly
Lochinvar & A.O. Smith 100208410 Rotor 318973-401 The HN52SA033 features silver cadmiumThe Lochinvar & A. O. Smith 100208410 Rotor is a task specific 1 6HP 115V wet rotor pump kit engineered for high efficiency hydronic circulation. As a vital OEM component, this circulator pump assembly is designed for seamless integration with Shield water heater series, specifically models SNR125, SNR151, and SNR201. By utilizing a wet rotor design, the unit ensures quiet operation and consistent head pressure, making it a critical boiler replacement