The kit includes the necessary oil pump gasket and specialized adapter rings required for proper seating against the compressor bearing housing

The integrated warmer/cooler setpoint adjustment allows for local occupant comfort overrides

Standardized Heavy-Duty Ports: 3/4" NPT threading allows for straightforward installation into existing gas manifolds

The nominal timing is rated at 30 to 60 seconds for a 90-degree stroke

The heavy-duty SPDT contacts are rated for 21A resistive at 240 VAC

Lochinvar & A.O. Smith 100278134 Control 320788-702 The kit includes the necessaryThe Lochinvar & A. O. Smith 100278134 Control is a critical OEM User Interface Control board engineered for precise system management in high efficiency condensing boilers. As a direct replacement for legacy part numbers RLY20136K, RLY20136, and 100189277, this Boiler Control Board provides the necessary digital interface for real time monitoring and adjustment of combustion parameters. This HVAC Replacement Part is a standard component in the