Bell and Gossett NRF-36 Installation, Operation & Service Instructions

Name: Bell and Gossett NRF-36
Brand: Bell and Gossett
Rating: 5 (1 reviews)

4 pages

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NOTE: Bell & Gossett recommends Bronze or Stainless Steel

Booster Pumps be used for pumping potable water.

This pump is nonsubmersible, for indoor use only.

SAFETY

INSTRUCTIONS

This safety alert symbol will be used in this manual and on the

pump Safety Instruction decal to draw attention to safety related

instructions. When used, the safety alert symbol means

ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!

FAILURE TO FOLLOW THE INSTRUCTIONS MAY RESULT IN A

SAFETY HAZARD.

Your NRF/NBF Booster Pump should have the warning/caution

labels displayed to the right (Fig. 1) on the pump conduit box. If

the warning and caution labels are missing or illegible, contact

your local B&G Representative for a replacement.

INSTALLER: PLEASE LEAVE THIS MANUAL FOR THE OWNER’S USE.

WARNING

BEFORE INSTALLING, USING

OR SERVICING THIS PRO-

DUCT, READ THE INSTRUC-

TIONS. TO REDUCE RISK

OF ELECTRICAL SHOCK

SEE INSTRUCTIONS FOR

PROPER INSTALLATION.

CAUTION

FOR SUPPLY CONNECTIONS

USE WIRE SUITABLE FOR AT

LEAST 90°C. USE COPPER

CONDUCTORS ONLY.

EMPLOYER DES FILS

’

ALIMENTATION ADEQUATS

POUR 90°C. FOR INDOOR USE

ONLY. EMPLOYER UNIQUE-

MENT A L’INTERIEUR.

FIG. 1

NRF

™

- 25, 36,45 / NBF

™

- 25, 36,45 Circulator

Installation, Operation & Service Instructions

C US

LISTED

Bell & Gossett

Instruction Manual P86203C

WARNING

RISK OF ELECTRIC SHOCK;

THIS PUMP HAS NOT

BEEN INVESTIGATED FOR

USE IN SWIMMING POOL

AND MARINE AREAS.

-NONSUBMERSIBLE PUMP-

P86313

DESCRIPTION

The Model NRF/NBF Circulator Pump features system liquid lubri-

cated bearings, non-overloading permanent split capacitor motor

with thermal, or impedance protection and quiet operation.

PUMP APPLICATION

The Model NRF/NBF Booster Pump may be used for water

circulating applications in hydronic and solar systems.

It has not been investigated, nor is it intended for use in swim-

ming pool and marine areas.

OPERATIONAL LIMITS

These pumps are designed to pump liquids compatible with

their iron or bronze body constructions.

Maximum Operating Pressure: 150 PSI (10 bars)

Maximum Operating Temperature: 225°F (107°C)

Electrical Rating: 115V, 60Hz, 1Ø; 230V, 60Hz, 1Ø

Other manuals for Bell and Gossett NRF-36

Installation, Operation And Maintenance Manual20 pages

Questions and Answers:

M
Mike MuellerAug 7, 2025
What to do if my Bell and Gossett NRF-36 has inadequate circulation?
- L
  lanejenniferAug 7, 2025
  If your Bell and Gossett Water Pump has inadequate circulation, consider these steps: First, vent the system if it is air-bound. Second, check for any clogs in the impeller or piping and remove any obstructions. Third, if the impeller is damaged, replace the pump. Fourth, if the pump is too small, replace it if it is single speed, or switch to a higher setting if it is a three-speed pump. Fifth, vent the pump casing if the pump is partially air-bound. Finally, check the wiring and voltage if the motor speed is improper.
M
Melvin LewisAug 12, 2025
What to do if my Bell and Gossett Water Pump has no circulation?
- J
  Jason MillerAug 12, 2025
  If your Bell and Gossett Water Pump has no circulation, here's what you can do: First, vent the system if it's air-bound. Second, check for any obstructions in the impeller or piping and remove them. Third, ensure the system valve is open. Finally, inspect the electrical circuit to make sure it is working properly.

Bell and Gossett NRF-36 Specifications

General

Model	NRF-36
Series	NRF
Category	Water Pump
Manufacturer	Bell and Gossett
Frequency	60 Hz
Material	Cast Iron
Phase	3
Connection Size	2 in
Maximum Head	150 ft
Inlet Size	2 in
Outlet Size	2 in
Motor Power	Varies with model
Seal Type	Mechanical