Aaon R78200 Valve R-134A System Protection: Shields sensitive internal

System Protection: Shields sensitive internal controls and burners from environmental contaminants

This unit is an essential heating system replacement part for technicians requiring exact OEM specifications to restore furnace sequence of operation

Zero Pressure Differential: The normally closed design ensures the valve remains shut without requiring system pressure to maintain the seal

ensuring a fast thermal response for Lochinvar Copper-Fin CB-CW-CS series boilers

It is a vital component for natural gas water heaters and select boiler models where a consistent

Aaon R78200 Valve R-134A System Protection: Shields sensitive internalThe 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