B&G Series NRF - NBF - SSF Circulators

BG NBF Circulator Pumps – Quiet, Efficient Wet Rotor Performance for Potable Water and Heating Systems

Information:

• Bell & Gossett NRF Pump Submittal Sheet
• Bell & Gossett NRF - NBF - SSF Pump Brochure
• Bell & Gossett NRF - NBF - SSF Pump Installation Manual

Looking for a dependable circulator pump that’s built to last? The Bell & Gossett Series NBF by Xylem US is engineered for long-term performance in residential or light commercial potable water and hydronic heating systems. These compact, wet rotor pumps are known for quiet operation, minimal maintenance, and solid efficiency, making them a top choice for installers and contractors alike.

At National Pump Supply, we stock a full lineup of BG NBF circulators, available in a range of horsepower ratings and connection types. Whether you're replacing an older model or designing a new system, you'll find reliable, lead-free bronze options that ship fast and perform right out of the box.

Why Contractors Choose BG NBF Circulators

The Bell and Gossett Series NBF combines smart engineering with materials built to handle daily wear, high temperatures, and the demands of continuous operation. Each model is a wet rotor circulator, permanently lubricated for reduced service needs.

Key benefits include:

• Lead-free bronze body construction, safe for all potable water applications
• Quiet, efficient performance in both heating and domestic hot water systems
• High-starting torque for reliable seasonal startups
• DuraGlide™ bearing system and ceramic shaft to prevent lime and scale buildup
• Corrosion-resistant stainless steel internal components
• Compatible with 115V, single phase systems, and designed for up to 240°F operation

Whether you’re working with radiant floor heating, baseboard loops, or recirculating domestic water, these bronze circulator pumps are built for smooth, quiet performance you can count on.

Shop Featured Bell & Gossett NBF Pumps

Here are some of our most popular NBF circulator pumps, available for same-day shipping:

103252LF – NBF-22 Bronze Circulator Pump (1/25 HP)

A compact solution for potable water circulation. This wet rotor pump runs at 2940 RPM and is available with flange sizes from 3/4" to 1-1/2". Ideal for small homes or single-zone systems.

103418LF – NBF-25 (1/15 HP)

A step up in flow and pressure. Offers better performance for residential hot water systems. Sweat and union connections make installation flexible.

103351LF – NBF-33 (1/15 HP)

Built for steady circulation in larger homes or multi-zone heating. Strong, lead-free bronze housing and stainless-steel parts make it a smart, durable choice.

103401LF – NBF-36 (1/6 HP, 3-Speed)

This 3-speed circulator pump provides control over flow rates—ideal for variable demand setups. Designed for potable water with fast, quiet startup.

103316LF – NBF-18S (1/25 HP, Sweat Connection)

A tight-space favorite for residential use. Delivers consistent performance with minimal noise.

NBF vs NRF vs SSF Circulators – What’s the Difference?

We also carry the full range of Bell & Gossett circulator pumps, including:

• NBF Circulators: Best for domestic water and potable system loops. Made with lead-free bronze bodies and sealed for life.
• NRF Circulators: Designed for hydronic heating with added power and performance. Popular models include the NRF-22 pump, NRF-25 pump, and NRF-45.
• SSF Circulators: Built from stainless steel for aggressive or corrosive water systems. These are ideal when water quality is variable or unpredictable.

Not sure which series is right for your system? Our pump experts are here to help.

Pump Accessories and Controls Available

Maximize your system’s performance with the right accessories:

• Flange gasket kits for all standard pipe sizes
• Bell & Gossett flange sets in 3/4", 1", 1-1/4", and 1-1/2"
• AQS-3/4 Aquastat to control the pump based on water temperature
• TC-1 timer control for scheduling pump cycles and reducing energy use

All controls are compatible with Bell & Gossett NRF, NBF, and SSF circulators and connect directly to 115V pump systems.

Fast Shipping. Real Support. Backed by Warranty.

At National Pump Supply, we don’t just stock pumps—we support them. Every Gossett NBF circulator we sell is backed by a 3-year manufacturer's warranty and the experience of our in-house support team.

Most orders ship the same day, and we’ll help you with:

• Sizing recommendations
• Compatibility checks
• Warranty and spec questions

Ready to Order or Need a Recommendation?

We know selecting the right wet rotor circulator matters. If you need help deciding between the NBF-22, NBF-25, or another model, just give us a call or shoot us an email.

Call us at 1-800-781-7405, or you can email us at Sales@NationalPumpSupply.com.

Get the right Bell & Gossett NBF circulator pump—fast, easy, and backed by experts.