Daikin-McQuay 4020700 EXV THPU32HP7Y the 550003057 pilot assembly is

the 550003057 pilot assembly is supplied with the necessary orifices to accommodate both Nat and LP gas pressures

A constant fan often indicates a tripped safety limit or an open limit switch circuit

It must be set during initial installation

Prevents Back-Drafting: Critical safety interface that shuts down the system if negative pressure in the draft inducer motor is lost

this kit is specifically engineered to provide a 9-13 PSI spring range

Daikin-McQuay 4020700 EXV THPU32HP7Y the 550003057 pilot assembly isThe Daikin McQuay 4020700 EXV w Piping Assy is a critical electronic expansion valve assembly engineered for precise refrigerant flow control in high capacity HVAC systems. This Daikin 4020700 expansion valve is a genuine OEM component designed specifically for integration with McQuay chillers and larger air handling units. By utilizing a stepper motor drive, this EXV with piping assembly provides significantly more accurate superheat control compared