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

When you encounter a furnace pressure switch error

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

You must remove the cover

ensuring the inducer motor generates sufficient static pressure before allowing the ignition sequence to proceed

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