Cast Iron Circulator Pump, 3/8 HP, 220-240V, 3-Speed

Hot water circulator pump improves heat distribution and reduces wait time for warm water by driving steady flow through your hydronic system. Built with a cast iron body for high sealing and heat resistance, it supports home heating loops, boilers, underfloor heating, radiators, and water heaters. A 3-speed selector lets you balance circulation rate and energy use, while quiet operation helps keep living spaces comfortable.

• Delivers up to 110 LPM (29.06 GPM) flow and 8 m (26.25 ft) head for strong hydronic circulation


• Adjusts with 3-speed control to match boilers, radiator circuits, and underfloor heating loops


• Runs quietly under 45 dBA to reduce disruption in utility rooms and near living areas


• Includes threaded connections and seals for straightforward replacement or new installation


• Protects with IP44-rated housing to resist dust and splashing in everyday installs

Designed for homeowners and installers who need reliable circulation in closed-loop heating, this pump helps overcome pipe friction and supports more even heat across the home. The cast iron construction is built for frequent temperature changes, and the wide operating range suits typical hot water heating applications. Confirm your voltage, thread size, and required head/flow before ordering to ensure a clean fit in your system. Grab yours today and get your circulation dialed in with simple 3-speed adjustment.

• Power/Voltage/Frequency: 3/8 HP (260 W ±15%), AC 220–240 V, 50 Hz


• Max flow rate: 110 LPM / 29.06 GPM (±15%)


• Max head lift: 8 m / 26.25 ft (±15%)


• Connections: 2 in inlet & outlet, threaded


• Operating water temperature: 2–110°C / 35.6–230°F


• Noise level: <45 dBA


• Ingress protection: IP44


• Size (L×W×H): 180 × 170 × 140 mm (7.09 × 6.69 × 5.51 in)


• Net weight: 4.95 kg (10.91 lb)