this is an ECM motor with a control module that supports multi-speed or variable speed operation depending on the 24V tap configurations on the system control board

the protective coating and structural integrity of the water level sensor degrade over time

debris in the line is your primary enemy for valve seat failure

This unit features an 8-inch helical bimetal element sensing probe that provides accurate temperature control by making the fan circuit and breaking the high-limit circuit on temperature rise

Modine 3H0346710029 Conversion Kit 326058-758 this is an ECM motorThe Modine 3H0346710029 is a critical LP to natural gas conversion kit engineered for precise fuel transition in select Modine unit heaters. As a genuine Modine OEM replacement part, this kit contains the necessary orifices and regulator springs required to modify the gas manifold pressure and delivery for safe operation on natural gas. Utilizing an official Modine gas conversion kit is essential for maintaining the combustion efficiency and heat