WiseWater 3-Speed Hot Water Recirculating Pump 13 GPM 25ft Head

Key features

• High Efficiency & Energy Saving- 3/4" FNPT flanges circulation pump, designed specifically for hydronic heating systems (boilers, radiant floor heating, baseboard heaters). Delivers 13 GPM max flow to rapidly circulate heated water, reducing energy waste and improving heating response time. Note: Contains cast iron - not recommended for domestic (potable) hot water systems.
• 3-Speed Settings & Low Noise- Easily adjust the power (52/85/110W) to meet different system demands, with a max head of 25 ft. Engineered for low-noise operation, it ensures a peaceful environment while providing consistent, stable hot water throughout your home.
• Premium Durability & Anti-Corrosion Construction- Built with cast iron pump head (87 PSI max), ceramic bearings, PEI impeller, and all-copper motor coil for rust resistance and long life. Flat gaskets included for standard flange installation. Built-in check valve prevents backflow.
• Simple Installation and Leak-Proof Reliability- Comes complete with 2 pump flanges, 2 gaskets, and 4 pairs of bolts for a quick setup. The detachable flange design simplifies routine maintenance, and the included high-quality gaskets ensure a leak-proof seal for long-term reliability.
• Replacement for Grundfos UPS 15-58 FC – Designed specifically to replace Grundfos UPS 15-58 FC (Part #59896341) in boilers, radiant floors, baseboard heaters. Compatible 110V/60Hz power and 2-bolt flange design. *Note: Flange spacing is 6.65" vs OEM's 6.54" – a minor 1/8" difference easily accommodated by slight pipe adjustment. No major plumbing rework required.*

Free shipping included. 30-day hassle-free returns.