Carrier 50TJ400985 Harness 321894-706 while the included 20VA transformer

while the included 20VA transformer is dedicated to powering the fresh air intake damper

Precise 1/2" Threading: Eliminates the risk of cross-threading during packing nut installation

it maintains consistent BTU/hr capacity across variable load demands

Its robust solid-state construction is engineered to withstand the thermal stresses inherent in heat pump and air conditioning condenser environments

Carrier 50TJ400985 Harness 321894-706 while the included 20VA transformerThe Carrier 50TJ400985 Harness is an essential OEM electrical component engineered for precise integration within Carrier 50TJ rooftop units and high tonnage package systems. This HVAC wiring harness ensures reliable point to point electrical continuity between the integrated furnace control and peripheral sensors, preventing intermittent signal loss common in high vibration rooftop environments. Designed for rapid field replacement, the 50TJ400985