Check the listing for details. NEW 1/2 HP Water Circulator Pump for Grundfos 115V 3-Speed 95906638 UPS43-100SF. Condition: New. Listed at 319.00 USD. 【Easy Installation】 Standard flanged connections and compact design allow for straightforward integration into existing residential and commercial hydronic systems. 【Versatile Application】 This circulator pump is designed for efficient liquid circulation in a wide range of closed-loop systems, including residential and commercial heating, air conditioning, and district heating applications. Part Number: UPS43-100F, 95906636 Compatible Models: For Grundfos UPS43-100F（1/3 HP, 1.4,1.6,1.7A 3-Speed, 115V）.【Easy Installation】 Standard flanged connections and compact design allow for straightforward integration into existing residential and commercial hydronic systems. 【Versatile Application】 This circulator pump is designed for efficient liquid circulation in a wide range of closed-loop systems, including residential and commercial heating, air conditioning, and district heating applications. Part Number: UPS43-100F, 95906636 Compatible Models: For Grundfos UPS43-100F（1/3 HP, 1.4,1.6,1.7A 3-Speed, 115V）.