Carrier 330539-757 Coupling Box 322838-754 you must purchase a separate

you must purchase a separate activation kit (BMS or Cellular) to connect the sensor to your building management or notification network

allowing for both system cutout and remote alarming

which is crucial for maintaining system integrity and operational efficiency

providing substantial reach for remote mounting or complex replacement pressure switch installations where the sensing point is distant from the control board

Key Benefits Direct OEM Replacement: Engineered for exact fitment in Heil Quaker and ICP furnaces

Carrier 330539-757 Coupling Box 322838-754 you must purchase a separateThe Carrier 330539 757 Coupling Box is a critical OEM replacement component designed for 40 inch tall condensing gas furnaces. This genuine furnace coupling box kit replaces older ICP part numbers, including 320721 768, ensuring a precise fit and restoring the factory standard seal on the secondary heat exchanger. For technicians working on Carrier, Bryant, or Payne furnaces, this kit is essential when addressing common moisture or combustion air