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the 1751-020 and P322282 are identical components used across different OEM distribution channels
This forced air sequencer maintains system balance by controlling the ON/OFF timing
Direct OEM Compatibility: Serves as the factory-correct 1193106 replacement part for streamlined installation on ICP equipment
but the filter media and frame construction are identical
Direct OEM Replacement: Replaces part numbers 034-0047-00 and Daikin McQuay 300000413 for seamless integration
Lochinvar & A.O. Smith 100208391 Pressure Switch 30067439-890 the 1751-020 and P322282 areThe Lochinvar & A. O. Smith 100208391 Pressure Switch is a mission critical safety component designed for precise pressure monitoring within high efficiency boilers and water heaters. Engineered to meet rigorous OEM specifications, this 0. 21" W. C. air pressure switch functions as a blower prover, ensuring the combustion blower is generating sufficient airflow before allowing the ignition sequence to proceed. By supervising the differential pressure