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The Bell & Gossett series LD3 cast iron pumps are dependable, in-line circulator pumps intended to pump water through closed loop systems for heating and cooling. The Series LD3 features a three-piece design, which includes a motor, bearing assembly, and volute. This innovative design provides for easy field service as the bearings, shaft, and seal are all housed within the bearing assembly. That assembly can then be easily repaired or entirely replaced without disturbing the other components of your pump. The Series LD3's resilient motor mounting is another feature unique to Bell & Gossett. The mounting, combined with spring-loaded couplers, means your pump will run quietly and efficiently. This series also features a plastic impeller. BELL & GOSSETT LD-3 SERIES CIRCULATOR PUMPS Model Comparison Chart Model Connection Size HP Voltage Phase GPM Max. Head LD3 3" 1/4 115 1 110 16' LD3 AB 3" 1/4 115 1 110 16' PERFORMANCE CURVES DIMENSIONS REPAIR PARTS INSTALLATION MANUAL Bell & Gossett LD-3 Series Circulator Pump Installation Manual SERVICE MANUAL Bell & Gossett LD-3 Series Circulator Pump Service Manual REPAIR PARTS Bell & Gossett LD-3 Series Circulator Pump Repair Parts Pump Products application engineers are standing by to help you find the right pump, as well as to provide price quotes, stocking availability and shipping information. Call our toll free number 1-800-429-0800 to speak to an expert today.