Heil Quaker ICP 1178404 TXV Valve 318973-401 Precise Calibration: Factory-set parameters of

Precise Calibration: Factory-set parameters of 32° F (close) and 55° F (open) optimize defrost cycle timing and energy consumption

Its energy-limiting design is intrinsically safe

technicians can ensure an exact drop-in fit

Since this is a shaded pole motor without a run capacitor

or diagnostic LEDs flashing a code for "Pressure Switch Open

Heil Quaker ICP 1178404 TXV Valve 318973-401 Precise Calibration: Factory-set parameters ofThe Heil Quaker ICP 1178404 TXV Valve is a critical refrigeration component designed for precise refrigerant metering in 4 ton cooling systems. This thermal expansion valve maintains the ideal superheat across the evaporator coil, preventing liquid slugging and ensuring compressor longevity. Engineered for ICP HVAC replacement parts compatibility, the 1178404 utilizes a sensing bulb to monitor suction line temperature, modulating flow to match