High Flow Cast Iron Circulation Pump For Home Heating And Hot Water Recirculation, 17 GPM, 1 Inch Flange, Three Speed Settings, Quiet Operation, Durable Underfloor Heating And Residential Water Heater System

Single-unit high-flow cast iron circulation pump
✔️ 17 GPM, 1-inch flange, three speeds, 45 dB quiet operation

This high-flow cast iron circulation pump is designed to replace standard hot water recirculation units in residential heating systems and underfloor heating setups. It delivers reliable flow for warm, ready hot water across zones with minimal noise.

✅ 17 GPM max flow with 20 ft head
✅ 1-inch flange connection for easy replacement
✅ Built-in check valve prevents backflow and protects the system
✅ Three adjustable speeds for seasonal efficiency
✅ Cast iron body with IP44 protection and wide operating range 35.6°F-230°F
✅ Pure copper motor for longevity and quiet operation (~45 dB)

💡 What is a high-flow cast iron circulation pump used for in home heating and hot water systems?

This handy device keeps hot water circulating efficiently, improving comfort and response times across multiple zones.
- For underfloor heating and hot water recirculation in residential settings
- Replaces older pumps with UPS15-58FC compatibility
- Allows 3-speed control for seasonal efficiency
- Built with durable cast iron and pure copper motor for longevity