Daikin-McQuay 4009434 Circuit Board THPU32HP7Y which has superseded the Lochinvar

which has superseded the Lochinvar RLY3002

This essential HVAC wiring harness kit simplifies the process of converting a standard Packaged Terminal Air Conditioner for use with a remote wall-mounted thermostat

the A4TXV02-1 accurately modulates refrigerant flow into the evaporator coil

System Protection: Prevents compressor damage by ensuring only vapor reaches the suction inlet

Daikin-McQuay 4009434 Circuit Board THPU32HP7Y which has superseded the LochinvarThe Daikin McQuay 4009434 Circuit Board is a critical OEM replacement component designed for precise control logic in commercial HVAC systems. This printed circuit board (PCB) functions as the primary interface for managing compressor cycles, fan timing, and diagnostic monitoring. Engineered to meet exact factory specifications, the 4009434 controller ensures seamless communication between thermostats and mechanical components, maintaining system