Carrier 330539-752 Box Kit 322055-301 To ensure proper torque and

To ensure proper torque and prevent overheating

the unit requires a manual reset to resume normal operation

Precise Detection: Specifically designed as a bulb style #19 to interface correctly with cycling pilot gas valves

or if the contacts have welded shut

Field Reliability: Reduces call-backs by providing consistent pressure switch trip points

Carrier 330539-752 Box Kit 322055-301 To ensure proper torque andThe Carrier 330539 752 Coupling Box Kit is a critical OEM replacement part engineered for high efficiency condensing furnaces. Designed specifically for the secondary heat exchanger assembly, this kit ensures a gastight seal between the cell panel and the condensing unit, preventing the leakage of combustion byproducts and corrosive condensate. Constructed from heavy duty steel and precision molded components, it is a factory authorized part that