Description
The Bell & Gossett 104308 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 pumps — making it an ideal upgrade or replacement in modern hydronic systems.
Motor & Electrical Specifications
- Voltage: 208–230V AC
- Phase: Single Phase
- Horsepower: 1/2 HP
- Amperage Range: 0.2–2.0 Amps
- Power Consumption Range: 30–470 Watts
- Motor Type: Electronically Commutated Motor (ECM) for variable-speed, high-efficiency operation
Construction & Pressure/Temperature Ratings
- Body Material: Cast Iron — durable and corrosion-resistant for long service life
- Design: Large Wet Rotor — rotor runs within the fluid for self-lubrication and quiet, maintenance-free operation
- Maximum Pressure Rating: 175 PSI
Key Features & Benefits
- ECM technology automatically adjusts motor speed to match system demand, reducing energy consumption significantly
- Wet rotor design eliminates the need for external lubrication or mechanical seals, reducing maintenance requirements
- Wide wattage range (30–470 W) enables flexible operation across varying load conditions
- Cast iron construction provides robust performance in commercial and residential hydronic systems
- Engineered by Bell & Gossett, a trusted leader in hydronic pump technology for over a century
Typical Applications
- Hydronic heating and cooling distribution systems
- Boiler and chiller circulation loops
- Radiant floor heating systems
- Fan coil and air handling unit circuits
- Commercial and light industrial hydronic installations
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