including HN84HA066 and P283-1203

While this model may include additional contact tabs for expanded functionality

for fine-tuning system performance to manufacturer specifications

the H-548NS allows for precise calibration

Heil Quaker ICP 1191308 TXV Valve 326058-757 including HN84HA066 and P283-1203The Heil Quaker ICP 1191308 TXV Valve is a critical OEM replacement part designed for high precision refrigerant metering in R410A refrigeration systems. As a veteran grade thermostatic expansion valve, this component is engineered to maintain optimal superheat by dynamically adjusting the flow of R410A refrigerant into the evaporator coil. This ensures maximum heat transfer efficiency and prevents compressor slugging or coil freezing, even under