Grundfos 59896180 UPS15-42F 3-Speed Cast Iron Circulator Pump 1/25 HP 230V

The Grundfos UPS15-42F is a professional-grade three-speed circulator pump designed for residential and light commercial heating and air-conditioning systems. This 230-volt pump delivers reliable, maintenance-free operation in closed-loop hydronic heating, hot water recirculation, radiant floor heating, and cooling system applications.

Key Features:

• Three selectable speeds for precise flow control and energy efficiency
• Cast iron pump housing construction for durability and heat resistance
• Canned rotor design with integral motor and pump unit requiring no shaft seal
• Composite PES impeller resistant to corrosion
• Stainless steel rotor can and bearing plate for long service life
• Self-lubricating bearings using pumped liquid, eliminating manual lubrication
• Automatic resetting thermal protection prevents motor damage
• Whisper-quiet operation ideal for sound-sensitive installations
• UL and CSA certified for North American installations

Technical Specifications:

• Motor: 1/25 HP, single-phase, 230V, 60 Hz
• Maximum flow rate: 17.5 GPM
• Maximum head: 15.5 feet
• Maximum operating pressure: 145 PSI
• Power consumption: 30W (Speed 1), 40W (Speed 2), 92W (Speed 3)
• Current draw: 0.14A (Speed 1), 0.19A (Speed 2), 0.41A (Speed 3)
• Temperature range: 36°F to 230°F
• Flanged connection: GF 15/26 standard oval flange
• Port-to-port length: 6.5 inches

The UPS Series features a canned rotor design where the motor and pump form a single sealed unit with only two gaskets, providing superior reliability and eliminating common seal leakage issues. This pump is engineered for continuous-duty operation and includes flange gaskets for installation.