Lochinvar & A.O. Smith 100208390 Pressure Switch 30067439-890 This cartridge is specifically for

This cartridge is specifically for use with Sporlan Type Q (conventional port) and Type BQ (balanced port) series valves

This 200 degree F limit switch is built to the exact specifications required for Heil

Designed to withstand the rigorous demands of industrial fluid loops

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this furnace limit switch monitors internal plenum temperatures to prevent heat exchanger damage

Lochinvar & A.O. Smith 100208390 Pressure Switch 30067439-890 This cartridge is specifically forThe Lochinvar & A. O. Smith 100208390 Pressure Switch is a critical safety component engineered for precise draft proving in high efficiency commercial and residential boilers and water heaters. As a veteran grade OEM replacement pressure switch, this part is built to detect specific pressure differentials, ensuring the inducer motor establishes a safe venting environment before the ignition sequence initiates. This specific model is a direct cross