Grundfos 91584912 Flange Set 319848-301 The rugged die-cast aluminum construction

The rugged die-cast aluminum construction offers superior durability in demanding boiler room environments

while the robust internal contacts ensure consistent HVAC pressure switch troubleshooting results and long-term reliability under varying thermal loads

this 40 microfarad capacitor ensures consistent phase shift for optimal torque and compressor efficiency

Precision Machined: High-tolerance 1 5/8" bore ensures a secure shaft fit

externally equalized thermal expansion valve specifically engineered for high-capacity commercial refrigeration and AC systems

Grundfos 91584912 Flange Set 319848-301 The rugged die-cast aluminum constructionFor 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