Aaon R78200 Valve 320788-704 this contactor is the standard

this contactor is the standard replacement for 1-pole

To avoid damaging the motor shaft

This 5-inch molded compressor plug features a robust three-wire configuration—typically color-coded for common

check for 120V at the leads

Technicians commonly use this type of Watts pressure regulating component in domestic water systems

Aaon R78200 Valve 320788-704 this contactor is the standardThe Aaon R78200 Valve is a high performance 4 way reversing valve specifically engineered for 15 ton commercial HVAC units and heat pump systems. As a critical OEM replacement part, this Aaon R78200 ensures seamless transitions between heating and cooling cycles by precisely redirecting refrigerant flow. Designed for heavy duty commercial HVAC applications, this valve features a robust construction that minimizes pressure drops, enhancing overall