You are viewing a new (1) Grundfost 3/4 in. NPT Bronze Half-Union Threaded End Union Set for UP/UPS pumps with GU 125 Union Connection


Set of Grundfos 3/4 in. NPT Union Set for UP/UPS 125 union. Grundfos circulators are specifically designed for heating and cooling systems. This union connection set is specifically made for models like UP15-29SU 1/12 HP 115-Volt Circulator Pump with 3/4 in. NPT Union Connection.

  • Pump connection GU 125
  • For use with union mount pumps
  • Use with UP15-18SU, UP15-42SU, UP25-64SU
  • Set includes 2 each - union nuts, gaskets, valves


Seller ships to lower 48 U.S. states only, sales outside of this location will be cancelled.


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