Description
Bell & Gossett NRF-45 Three-Speed Cast Iron Wet Rotor Circulator
The Bell & Gossett 103404 NRF-45 is a reliable, three-speed wet rotor circulator engineered for residential and light commercial hydronic heating systems. Built with a durable cast iron body and a maintenance-free wet rotor design, this circulator eliminates the need for external bearings and seals — reducing long-term service costs and downtime. Its three-speed operation gives installers the flexibility to optimize flow rates for a wide range of system configurations.
Key Features
- Three-speed operation for versatile flow rate adjustment
- Wet rotor design — no external bearings or seals required
- Cast iron construction for long-lasting durability
- Compatible with 1″, 1-1/4″, and 1-1/2″ flanges for flexible installation
- Quiet, efficient operation ideal for residential and light commercial hydronic systems
- Compact design for easy installation in tight mechanical spaces
Electrical Specifications
- Voltage: 115V AC
- Phase: Single Phase
- Speed: 3,300 RPM
- Full Load Amps: 2.30 A
- Power Consumption: 270 Watts
Compatibility & Installation
- Designed for use with 1″, 1-1/4″, or 1-1/2″ flanges
- Drop-in replacement compatible with standard Bell & Gossett flange configurations
- Suitable for closed-loop hydronic heating and radiant floor heating systems
Why Choose Bell & Gossett?
Bell & Gossett has been a trusted name in hydronic system components for over a century. The NRF-45 circulator reflects their commitment to quality, efficiency, and ease of installation — making it a go-to choice for HVAC professionals and plumbing contractors across North America.
