Geo-Flo / Grundfos 1in FPT Cast Iron Flange Set

Pair of cast iron isolation flanges that connect a Grundfos UP15/UP26 circulator to the loop piping. The 1-inch FPT flanges thread onto the system and bolt to the pump, letting a circulator be isolated and replaced without cutting pipe. A standard service item kept on hand for flow-center and circulator work on geothermal and hydronic Projects.

• Fits Grundfos UP15 / UP26 circulators
• 1in FPT, cast iron (black)
• Sold as a pair (flange set)
• Allows pump isolation and swap without re-piping
• Common service / replacement item