Carrier 330539-757 Coupling Box 322838-754 Key Benefits Direct OEM Replacement:

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

Built on a rugged aluminum manifold with brass barb fittings

ensuring it meets the specific static pressure requirements of IEC MPY

The high-grade construction resists the common pitting and corrosion found in aggressive boiler water environments

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

Carrier 330539-757 Coupling Box 322838-754 Key Benefits Direct OEM Replacement:The 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