McQuay 067290301 Valve 30067439-890 the 3/8" shaft diameter is

the 3/8" shaft diameter is the industry standard for 42Y frame size motors

Piping Protection: Prevents excessive movement that causes stress cracks in copper refrigerant lines and braze joints

and WCH048 series

The red line is fused to the back of the glass tube

minimizing mechanical vibration and wear

McQuay 067290301 Valve 30067439-890 the 3/8" shaft diameter isThe McQuay 067290301 Reversing Valve is a critical 4 way direction control component engineered for heat pump applications ranging from 1 to 30 tons. Designed for high pressure refrigeration systems, this valve facilitates the seamless transition between heating and cooling modes by reversing the flow of refrigerant. Built to withstand the rigorous demands of commercial HVAC systems, the 067290301 ensures precise refrigerant cycle management and