Armstrong Fluid Technology 816999MF-041 Module Kit 328140-751 including the WB20454 through WB24274

including the WB20454 through WB24274 series technical sub-variants

The inclusion of the 24V reversing valve coil ensures proper electromagnetic actuation

ensuring optimal thermal distribution for residential and commercial applications

Failing leads often present as a pilot that will not stay lit or a main burner that shuts down unexpectedly due to a break in the millivolt loop or poor terminal contact

Armstrong Fluid Technology 816999MF-041 Module Kit 328140-751 including the WB20454 through WB24274The Armstrong Fluid Technology 816999MF 041 Module Kit is a high performance SBA bearing module designed for commercial circulator pumps. This maintenance free assembly is engineered to eliminate the need for manual lubrication, significantly reducing operational downtime and labor costs for HVAC technicians and facility managers. As a direct OEM replacement part, this kit integrates seamlessly with Armstrong Series S and Series H pumps, as well as