Lennox 71M80 Concentric Kit 326058-756 a round ARD series or

a round ARD series or an appropriate opposed-blade model should be specified

Direct OEM Replacement: Ensures exact dimensional matching for the 100208760 part number

8KW version

this OEM component features a 17-second warmup period

but serial number verification is recommended for 100% accuracy

Lennox 71M80 Concentric Kit 326058-756 a round ARD series orThe Lennox 71M80 Concentric Kit is a professional grade 1 1 2" Concentric Vent Kit designed to streamline high efficiency furnace venting by combining intake and exhaust into a single roof or sidewall penetration. Engineered specifically for compatibility with Lennox HVAC systems, including elite models like the SLP99 and EL297 series, this OEM concentric termination kit utilizes a dual pipe design to isolate flue gases from fresh combustion air.