This specific Nordyne replacement valve features 1/2-inch liquid line and 3/4-inch suction line connections

making it ideal for tight control panels and varied furnace configurations

providing the structural integrity required for HVACR burner assemblies

immediately shutting down the burners or heating elements to prevent catastrophic equipment damage or a cracked heat exchanger

which is sold separately for panel or DIN rail mounting

Armstrong Fluid Technology 806026-001 Pump Coupler R-407C This specific Nordyne replacement valveThe Armstrong Fluid Technology 806026 001 Pump Coupler is a precision engineered OEM replacement part designed to ensure efficient power transmission between the motor and pump assembly. Constructed from high grade cast iron, this 4 spring coupler is built to withstand the rigorous demands of hydronic heating and cooling systems. Specifically tailored for Armstrong circulator pumps, it features a 1 2 inch x 1 2 inch bore diameter, providing a secure