The unit features Class H insulation

using it on high-side discharge lines will result in sensor failure

though this is the standard pressure switch for most base configurations

Features pre-drilled mounting holes for rapid field replacement during emergency service calls

7 microamps is required for the 35-655910-991 ignition control to maintain the gas valve circuit

Heil Quaker ICP 1178404 TXV Valve 323613-751 The unit features Class HThe 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