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this specific assembly is calibrated for the airflow requirements of the FPSH 75
Always match the OEM specification of 195 degrees for this application
or flame signal loss using the integrated LED
this component serves a dual purpose: providing the high-voltage spark for ignition and acting as the sensor for flame rectification after the burner is lit
Lochinvar & A.O. Smith 100109522 Switch 320788-702 this specific assembly is calibratedThe Lochinvar & A. O. Smith 100109522 Pressure Switch is a critical safety component designed for precise pressure monitoring in high efficiency boilers, furnaces, and water heaters. This SPDT pressure switch (Single Pole Double Throw) features a fixed set point, typically calibrated to 0. 95 WC, ensuring that the combustion blower is moving sufficient air before the ignition sequence initiates. As a genuine OEM replacement part, the 100109522 is
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