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This replacement ignition module features advanced diagnostic capabilities with integrated LED flash codes to streamline field troubleshooting for service technicians
Engineered with non-volatile memory
This HVAC temperature switch features a robust design capable of withstanding the high-cycling demands of commercial and residential environments
audible air leaks from the housing
The SP20867C is designed for specific newer-generation Rheem-Ruud models
Lochinvar & A.O. Smith 100233301 Switch 320720-756 This replacement ignition module featuresThe Lochinvar & A. O. Smith 100233301 Switch is a critical fixed setting Normally Open (N. O.) air pressure switch designed for negative pressure sensing applications in high efficiency venting systems. Calibrated specifically to 1. 25" WC, this OEM component serves as a primary safety proving switch, ensuring the combustion blower is generating sufficient draft before the ignition sequence initiates. For veteran technicians, this 100233301 pressure
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