The Danfoss 067B2790 is a precision-engineered TE 5 orifice assembly designed for high-performance thermostatic expansion valves

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

it requires a minimum pressure differential of 5 PSI to move the internal diaphragm and open the flow path

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

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

Lochinvar & A.O. Smith 100278134 Control 320788-702 The Danfoss 067B2790 is aThe 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