Key Benefits Multi-Refrigerant Compatibility: Fully optimized for R404A

While primarily designed for potable water tempering

whereas the TC-L (Lower) valve acts as the primary restriction point for the lower equalizing line and typically houses the blow-down valve connection

must be upgraded to ensure total system compatibility

sensitive regulation even at low pressure differentials

Carrier 320734-701 Wiring Harness 321702-401 Key Benefits Multi-Refrigerant Compatibility: FullyThe Carrier 320734 701 Wiring Harness is a critical OEM component designed for high voltage and signal distribution in residential furnaces and air handlers. This blower motor wiring harness features a high temp insulated jacket and multi pin connectors specifically engineered for long term thermal cycling within the blower compartment. This Carrier replacement harness ensures a secure, low resistance interface between the furnace control board and