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Johnson Controls P72NA-1 Two Pole Dual Pressure Control
Common Questions What are the signs that my solenoid coil needs replacement
Is the 920916A compatible with my single-stage thermostat
OEM Compatibility: Designed specifically for seamless integration with Carrier heating systems
Lochinvar & A.O. Smith 100109962 Switch 322838-752 Johnson Controls P72NA-1 Two PoleThe Lochinvar and A. O. Smith 100109962 Blower Prover Switch is a critical safety component designed to verify adequate airflow within the combustion chamber before ignition occurs. This differential pressure switch serves as the current OEM replacement part for legacy numbers 9004586215 and NS2 0097 00. When the inducer motor engages, this switch monitors the pressure drop across the venturi or heat exchanger, ensuring the system can safely vent flue
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