always match the part to the specific fuel type listed on the data plate

including boilers

and a precision-engineered sense rod

the supply pressure should be at least 0

this means a straightforward drop-in installation that restores factory-spec heating efficiency while maintaining the airflow dynamics required for residential and light commercial air handlers

Reznor 68375 Assebmly 322055-301 always match the part toThe Reznor 68375 Flue Duct Assembly is a critical replacement component engineered specifically for Reznor unit heaters to ensure safe and efficient combustion gas expulsion. This HVAC flue pipe assembly is precision manufactured to maintain the structural integrity of the exhaust path, preventing the leakage of carbon monoxide into the conditioned space. Designed for seamless integration with Reznor gas fired heaters, the 68375 assembly features