Daikin-McQuay 564-664 Expansion Valve 319852-301 When you encounter a furnace

When you encounter a furnace pressure switch error

Balanced Impeller Assembly: Pre-balanced at the factory to reduce shaft play and extend the service life of the motor bearings

The 18-inch leaded design ensures straightforward integration into existing ASCO RedHat valve assemblies

If your furnace blower runs constantly while the burners won

we recommend replacing the pad at the start of every heating season

Daikin-McQuay 564-664 Expansion Valve 319852-301 When you encounter a furnaceThe Daikin McQuay 564 664 Expansion Valve is a critical liquid metering device engineered for precise refrigerant flow control in industrial HVAC and refrigeration systems. Designed to maintain constant superheat at the evaporator outlet, this thermal expansion valve (TXV) optimizes heat transfer efficiency across varying load conditions. It features a robust thermostatic element and a calibrated orifice assembly to prevent liquid slugging, ensuring