Grundfos 91584912 Flange Set 326010-701 thread stretching

thread stretching

Manufactured from industrial-grade materials to withstand the corrosive environments common in refrigeration units

Reduces the risk of motor burnout by optimizing the start cycle duration

A: It is commonly installed in hydronic heating systems

Grundfos 91584912 Flange Set 326010-701 thread stretchingFor high capacity commercial hydronic systems, the Grundfos 91584912 provides a rugged, 3 inch NPT threaded connection designed for a precise fit with UPS 53 series circulator pumps. This GF53 cast iron flange set is a direct replacement solution for contractors maintaining hot water recirculation systems or large scale radiant heating loops. Constructed from heavy duty cast iron, these 3 inch pump flanges are engineered to withstand the thermal