High Compatibility Design: Replacement part number: 009-BF5-J. Engineered specifically for underfloor heating systems, this cast iron circulator pump offers a maximum flow rate of 17 GPM and a head of 35 ft. With a 3/4" flange connection, it seamlessly replaces your existing hot water recirculating pump, meeting the circulation needs of both homes and complex piping networks with ease.

Built-In Check Valve: Designed to ensure water flows in the correct direction, our check valve avoids backflow, maintaining system stability and extending the pump's lifespan. Our hot water circulation pump minimizes maintenance and replacement needs, keeping your system running smoothly.

Low Noise Operation: Featuring a pure copper motor and unique internal design, our cast iron circulator pump operates at a maximum noise level of just 45 dB. Enjoy a peaceful home environment without disruptive noises, even in close proximity to your heating zones.