Daikin-McQuay 031780500 Power Head R-410A It requires the internal wiring

It requires the internal wiring and control logic of a two-stage furnace or RTU to operate both high and low firing rates correctly

After three failed tries

Designed for a 120V/60Hz power supply

this probe can be utilized in various pneumatic setups requiring a 1/8" NPT or barbed fitting interface for remote sensing

it ensures long-term operational reliability in hard water conditions

Daikin-McQuay 031780500 Power Head R-410A It requires the internal wiringThe Daikin McQuay 031780500 is an OEM thermal expansion valve power head engineered for precise refrigerant metering in industrial and commercial HVACR systems. Designed as a critical replacement component for Daikin McQuay HVAC equipment, this power head features a 5 foot capillary tube and an integrated sensing bulb to ensure accurate superheat control. By monitoring temperature at the evaporator outlet, the 031780500 TXV power head modulates