Lochinvar & A.O. Smith 100208391 Pressure Switch 30067439-890 the 1751-020 and P322282 are

the 1751-020 and P322282 are identical components used across different OEM distribution channels

Smith 100113146 Vertex 100 Blower is a critical combustion component engineered specifically for high-efficiency Vertex GDHE-series water heaters

Its compact side-mount design and quick-connect terminals facilitate efficient installation in high-density control panels

Direct OEM Replacement: Replaces part numbers 034-0047-00 and Daikin McQuay 300000413 for seamless integration

Enhanced Diagnostics: Built-in fault detection capabilities allow for faster troubleshooting of the economizer cycle

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