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Circulation Pump

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This circulation pump is a high-performance alternative to the Grundfos 1/6 HP pump, which has been a trusted choice for hydronic applications for over 30 years. While the Grundfos pump comes with a 3-year warranty and costs over $350, this pump is even better—it features a 4-year warranty at a lower cost than any pump on the market.

Click HERE to learn more about the warranty details!

Key Features:

• 3-Speed Cast Iron Circulator Pump (Low/Med/High)

• Built-in Flow Check (removable for outdoor wood furnace applications)

• Automatic Resetting Thermal Protection (extends motor life)

• Ceramic Shaft for durability

• UL Listed & Approved for North American installations

Flow & Head Range:

• Flow Range: 0-34 U.S. GPM

• Head Range: 0-30 feet

Gallons Per Minute by Speed:

• Low: 20-24 GPM

• Medium: 24-28 GPM

• High: 30-34 GPM

Recommended Speed Setting:
Start at the lowest speed (I). Increase speed only if heat output is insufficient. Most applications will work efficiently on the lowest setting.

Applications & Compatibility:

This pump meets the specifications for all major outdoor wood boilers and most hydronic heating systems. It is designed for:

• Indoor & Outdoor Boilers

• Radiant Heating Systems

• Hydronic Heating & Radiators

• Fan Coils

• Furnace & Domestic Hot Water Plate Heat Exchangers

This pump is required for installations where the distance between the furnace and building exceeds 75 feet. It is also recommended if the furnace water passes through a filter or is used for multiple heat exchangers.

Technical Specifications:

• Pump Body Length: 6 1/2 Inches

• Power: 200W / 190W / 135W

• Maximum Flow: 32 GPM

• Max Head: 30 Feet

• Current: 1.8A / 1.7A / 1.2A

• Voltage/Frequency: 110V / 60Hz

• Pump Housing: Cast Iron

• Pumped Liquid: Water

• Insulation Class: H

• Degree of Protection: IP44

• Liquid Temperature Range: 2-110℃ (36°F - 230°F)

• Max System Pressure: 1.0 MPA (145 psi)

Interchanges with:
Grundfos 26-96, Taco 011, Wilo Star 30, Wasser GPD10, and others.

Installation & Operation:

Important: Follow installation instructions carefully for any brand of pump. To prevent air lock, ensure the pump shaft is level—air lock is not covered under warranty by any manufacturer.

Key Installation Details:

• Main components: Pump body, impeller, stator, rotor, shielded sets, and vent plug

• No mechanical seal; stator and rotor are sealed with stainless steel

• Heat-resistant rubber gaskets prevent leakage

• Pump bearings are lubricated and cooled by the pumped water

• Pump shaft must be installed horizontally

With over 20,000 pumps sold, this circulation pump is a reliable, cost-effective solution for your heating needs.