Trane CNT4363 Control Board 321702-401 The unit utilizes a copper

The unit utilizes a copper sensing bulb for rapid thermal response and is housed in a rugged NEMA 1 enclosure

the PRG3380 filter drier provides the necessary filtration to stabilize the refrigerant chemistry

This remote bulb temperature control features a liquid-filled sensing bulb (3/8" x 4") and a 6-foot capillary length

ensuring accurate positioning of dampers within terminal units and air handlers

If the leak is caused by fouled or worn rubber discs or a compromised diaphragm

Trane CNT4363 Control Board 321702-401 The unit utilizes a copperThe Trane CNT4363 Defrost Control Board is a critical OEM replacement part engineered specifically for residential demand defrost applications in Trane and American Standard heat pumps. As a veteran in the field, you know that maintaining the integrity of the defrost cycle is paramount to preventing evaporator coil icing and ensuring consistent heat pump performance during low ambient conditions. This microprocessor driven board (often referenced by