Compatibility depends on your unit's model and serial number

If your system requires an external equalizer

allowing for varied insertion depths in high-velocity streams

Common Questions What actuators are compatible with the D-3073-604

System Efficiency: Minimizes pressure drops and prevents bypass leakage

Lochinvar & A.O. Smith 100233698 Gasket R-407A Compatibility depends on your unit'sThe Lochinvar & A. O. Smith 100233698 Gasket is a critical OEM replacement part engineered for high efficiency condensing boilers and commercial water heaters. This venturi gasket serves as the primary sealing interface between the blower fan and the venturi assembly, ensuring a precise air fuel mixture for optimized combustion efficiency. Fabricated from high grade synthetic elastomers, it provides excellent thermal resistance and structural