allowing for precise discharge air temperature monitoring and efficient staging of heating or cooling cycles

reducing unnecessary manual service calls

the Trane VAL19560 is sold as the valve body only

The D1103 typically utilizes extended thru-bolts or a belly band mount

typically mounting directly at the furnace or fan coil

Trane CNT4363 Control Board 321894-706 allowing for precise discharge airThe 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