Carrier L4-01173-4 Cell Assembly 321142-301 and a laminated metal diaphragm

and a laminated metal diaphragm for enhanced durability

providing the high-static pressure capabilities required for consistent airflow across various duct configurations

if the lockout is caused by water backing up into the inducer or pressure switch lines

any scratching or enlargement of the 2

these parts are identical and interchangeable in all standard Lennox applications requiring an 8-inch insertion length

Carrier L4-01173-4 Cell Assembly 321142-301 and a laminated metal diaphragmThe Carrier L4 01173 4 Cell Assembly is a critical replacement component designed for precision heat transfer in specific Carrier, Bryant, and Payne gas fired furnaces. This furnace heat exchanger cell is engineered to withstand the rigorous thermal cycling of high efficiency heating systems, ensuring combustion gases are safely contained while maximizing thermal output. As a genuine OEM Carrier part, this assembly maintains the factory specified