this model is designed strictly for 1 Heat / 1 Cool stage systems

Common Questions Is the EF33CW189 compatible with LP gas systems

Using this valve with R-410A will result in incorrect pressure readings and potential system failure

What is the purpose of the expanded 1-1/4" outlet

Mcquay Daikin 073336504 Valve Refrigerant this model is designed strictlyThe McQuay Daikin 073336504 is a heavy duty single stage gas valve engineered for precision fuel regulation in commercial and industrial HVACR systems. Operating on a 120V pilot duty circuit, this component is factory calibrated for Natural Gas with a standard 3. 5" W. C. outlet pressure setting. Featuring 3 4" NPT inlet and outlet ports, it ensures high flow capacity and consistent manifold pressure for reliable burner ignition and flame stability.