Hydrotherm BM-7179 Motor/Impeller Kit 320074-702 Its robust diaphragm design manages

Its robust diaphragm design manages fluctuations in the combustion air blower performance

This part is designed for various 48-series and 50-series units

For peak HVAC system efficiency

For contractors performing air conditioner R-22 conversions or repairs

Hydrotherm BM-7179 Motor/Impeller Kit 320074-702 Its robust diaphragm design managesEnsure your hydronic heating system maintains peak efficiency with the Hydrotherm BM 7179 Motor Impeller Kit. This genuine replacement component is engineered specifically for Hydrotherm boilers, providing the mechanical power required for consistent fluid circulation and heat transfer. As a field ready solution, the kit includes a high torque replacement blower motor and a precision balanced OEM impeller, essential for resolving common system