Models NRF-25 and NBF-25 circulators are equipped with three-speed motors, which allow the pumps to cover a wide range of hydraulic capabilities. These products are part of the Bell & Gossett line of three-speed NRF wet rotor circulators for domestic hot water and closed-loop heating systems. Features include high starting torque, a DuraGlide™ bearing system, heat-resistant and nonmetallic closed impeller design, and self-cleaning particle shield. The circulators offer flow rates from 24-45 gpm, and heads of 19-33 feet.

ITT Bell & Gossett, 8200 N. Austin Ave., Morton Grove, IL 60053; 847-966-3700; 847-966-9052 (fax);

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