This is a standard furnace replacement valve typically found in Williams systems

Precision Alignment: Ensures the motor remains centered within the housing to prevent impeller or fan blade rub

which allows it to control higher pressures and larger flow volumes compared to typical direct-acting models

allowing the system to transition between heating and cooling modes by shifting the refrigerant flow

Auxiliary Contact Included: Allows for immediate integration of signaling circuits or safety interlocks

Tecumseh K71-10 Relay Kit 321894-708 This is a standard furnaceEnsure reliable compressor cycling and motor protection with the genuine Tecumseh K71 10 Relay Kit. Designed specifically for high performance refrigeration compressor parts, this kit is the direct replacement for maintaining the operational integrity of AEA3440AXA 1 and AEA3440YXD units. As a rugged compressor start relay, it effectively manages high starting torque demands in commercial refrigeration repair applications, including walk in coolers