Bell & Gossett has expanded its line of 3-speed NRF wet rotor circulators for domestic hot water and closed-loop heating systems. The new model NRF-25 and NBF-25 circulators are equipped with 3-speed motors, which allow the pumps to cover a wide range of hydraulic capabilities. Offers flow rates from 24 to 45 gpm, and heads from 19 to 33 feet.

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