BELL & GOSSETT Circulating Pump Coupler: Mfr Part # 118709
The BELL & GOSSETT Circulating Pump Coupler, manufacturer part number 118709, is a cast-iron motor coupler for circulator pumps. It is compatible with Bell & Gossett PD37T series pumps and manufacturer model number…
SKU 3G-OTH-83429
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Product Description
The BELL & GOSSETT Circulating Pump Coupler, manufacturer part number 118709, is a cast-iron motor coupler for circulator pumps. It is compatible with Bell & Gossett PD37T series pumps and manufacturer model number 501203, as well as Grainger part number 3P733.
Frequently Asked Questions
What is the BELL & GOSSETT circulating pump coupler used for?
The BELL & GOSSETT circulating pump coupler (part 118709) connects the motor shaft to the pump impeller in Bell & Gossett PD37T series circulator pumps. It transmits torque while compensating for minor misalignment, ensuring reliable fluid circulation in HVAC and hydronic heating systems.
What are the specifications of the BELL & GOSSETT 118709 coupler?
The BELL & GOSSETT 118709 coupler is made of cast iron. It is compatible with Bell & Gossett PD37T series pumps, manufacturer model number 501203, and Grainger part number 3P733. The manufacturer part number is 118709. It is a motor coupler designed for circulator pump applications.
Where to buy the BELL & GOSSETT 118709 coupler worldwide?
3G Electric supplies the BELL & GOSSETT 118709 cast-iron coupler worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time for your region.
How to install the BELL & GOSSETT circulating pump coupler?
To install the BELL & GOSSETT 118709 coupler, first disconnect power and drain the system. Align the motor and pump shafts, then slide the coupler onto the motor shaft. Secure it with the set screws, ensuring proper engagement with the pump impeller. Reassemble and test for smooth rotation.
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Common applications for BELLBELL Products
3G Electric supplies BELL motor couplers for circulator pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















