Daikin-McQuay 300066555 Reversing Valve Rapid Heat-Up: The hot surface

Rapid Heat-Up: The hot surface ignitor reaches ignition temperature in 17 seconds or less for efficient gas-air combustion

this 1/2" NPT-mounted component requires manual intervention once tripped

this switch provides the necessary furnace high-limit protection required to prevent heat exchanger damage and ensure system integrity during high-static or restricted airflow conditions

Broad ICP Compatibility: Engineered specifically for Heil Quaker HVAC parts used in various furnace and air handler models

Whether performing a retrofit or a new installation

Daikin-McQuay 300066555 Reversing Valve Rapid Heat-Up: The hot surfaceThe Daikin McQuay 300066555 Reversing Valve is a critical 4 way refrigeration component designed for high efficiency heat pump reversing applications. Built for rugged performance in commercial and residential systems, this valve facilitates the seamless directional flow of refrigerant, allowing the system to transition between heating and cooling cycles. As a specialized HVAC reversing valve, the 300066555 is engineered with a high grade metal body