Description
The Bell & Gossett 104451LF 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 fixed-speed pumps. Its stainless steel body construction ensures long-lasting corrosion resistance, making it well-suited for a wide range of system fluids and installation environments.
Electrical Specifications
- Supply Voltage: 115VAC, Single Phase
- Motor Power: 1/6 HP
- Amperage Range: 0.1 – 3.0 Amps
- Wattage Range: 20 – 200 Watts
Performance & Pressure Ratings
- Maximum Pressure Rating: 175 PSI
- Large wet rotor design for quiet, maintenance-free operation
- ECM motor technology for variable-speed, energy-efficient performance
Construction & Design
- Stainless steel pump body for superior corrosion resistance
- Wet rotor design eliminates the need for external bearings or seals
- Compact, space-saving profile for easy installation in tight mechanical rooms
Key Features & Benefits
- Electronically Commutated Motor (ECM) provides significant energy savings over PSC motor alternatives
- Variable wattage (20–200W) allows the pump to match system demand dynamically
- Wide amperage range (0.1–3.0A) supports flexible system integration
- 175 PSI maximum pressure rating accommodates high-pressure hydronic systems
- Lead-free (LF) construction meets regulatory requirements for potable water compatibility
- Ideal for residential and light commercial hydronic heating, radiant floor systems, and chilled water applications
Applications
- Hydronic heating and cooling systems
- Radiant floor heating
- Domestic hot water recirculation
- Fan coil and air handler systems
- Chilled water distribution







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