Grundfos UP15-29SU/LC 1-Speed Stainless Steel Circulator Pump, 115V, 0.121 HP

The Grundfos circulator pumps, Series UP, are specifically designed for heating systems. The pumps are also suitable for circulation of hot domestic water and for circulation of liquid in cooling and air-conditioning systems. Heating systems Common uses: Boiler/hydronic heating Ground-source heat pumps Radiant floor heating Hydronic and fan-coil heating Solar heating Heat recovery/heat pumps Note: : This unit does not include the union connection. Must be purchased separately. Standard Union connections available: 529912: 3/4" Half-Union Threaded End (Pair) 529913: 1/2" Bronze Sweat Union Set Union connections with Checks available: 519850: 1/2" Union Set Bronze IV (For SU) 519852: 3/4" Union Set Bronze IV (For SU) Pump types with cast iron pump housing are generally used for these applications, considered to be closed systems, for pumping water or water/glycol mixtures. However, when water conditions are not compatible with cast iron, we recommend the use of bronze or stainless steel. Optional variable-sp...