Description
Bell & Gossett 104450LF High Efficiency ECM Wet Rotor Circulator Pump
The Bell & Gossett 104450LF is a high-efficiency, large wet rotor circulator pump engineered for demanding hydronic heating and cooling applications. Powered by an Electronically Commutated Motor (ECM), this circulator delivers exceptional energy savings and precise flow control compared to traditional PSC motor-driven pumps. The stainless steel body construction ensures long-lasting corrosion resistance and durability in a wide range of system fluids.
Key Features
- Electronically Commutated Motor (ECM) for superior energy efficiency and variable-speed performance
- Stainless steel body construction for corrosion resistance and extended service life
- Large wet rotor design — fluid lubricates and cools the motor, eliminating the need for external bearings or seals
- Single-phase, 115VAC operation for straightforward residential and light commercial installation
- Wide power range of 6–85 watts enables automatic adjustment to system demand
- Maximum pressure rating of 175 PSI for compatibility with high-pressure hydronic systems
- Current draw of 0.1–1.3 amps supports low operating costs across all speed settings
Electrical Specifications
- Voltage: 115VAC, Single Phase
- Horsepower: 1/12 HP
- Amperage Range: 0.1–1.3 Amps
- Wattage Range: 6–85 Watts
Mechanical Specifications
- Body Material: Stainless Steel
- Maximum Pressure Rating: 175 PSI
- Motor Type: Electronically Commutated Motor (ECM)
- Pump Type: High Efficiency Large Wet Rotor Circulator
Ideal Applications
- Hydronic heating and radiant floor systems
- Boiler circulation and zone pumping
- Chilled water and cooling systems
- Domestic hot water recirculation
- Light commercial and residential hydronic installations
The Bell & Gossett 104450LF sets the standard for modern hydronic circulation, combining intelligent ECM motor technology with robust stainless steel construction to deliver reliable, energy-efficient performance season after season.







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