Designed for compatibility with FF1ENP series air handlers

Extended Service Life: Replaces worn internal parts like diaphragms and seals to prevent total valve failure

this unit provides precise level control and alarm actuation

This controller is designed specifically for use with the A99B series (PTC silicon) temperature sensors

it prevents hazardous flue gas leakage and stabilizes the air-fuel mixture across the boiler’s modulation range

Lennox 10M46 Module 318172-701 Designed for compatibility with FF1ENPThe Lennox 10M46 Module is a high performance OEM Motor Module designed for precise ECM furnace blower motor control. Engineered as a direct Lennox replacement part for the 10M4601 and 610578 24, this module manages variable speed operations to ensure optimal airflow and system efficiency. It is compatible with a wide range of residential equipment, including Armstrong, Ducane, and Allied furnace models such as the SLO183 series. As a veteran grade