Common Questions How do I adjust the time delay on the RIBD2421C

maintaining HVAC system compatibility and performance across diverse seasonal extremes

Broad Compatibility: Functions as a drop-in replacement for HE-67 series sensors

Can this be converted for use with different gas types

Unlike standard fixed-temperature units

Lochinvar & A.O. Smith 100074640 Ignitor Freon Common Questions How do IThe Lochinvar & A. O. Smith 100074640 Ignitor is a critical genuine OEM ignition component engineered for high efficiency condensing water heaters and commercial boiler systems. Built to survive the rigorous thermal cycling of modern hydronic equipment, this black box ignitor assembly provides the high voltage spark necessary for consistent burner ignition and reliable system startup. As a standard replacement for Lochinvar Knight boilers and A. O.