ARMSTRONG 816665-000 Motor Coupler for Circulator Pumps, Cast Iron, 18 Splines
The ARMSTRONG Circulating Pump Coupler, Mfr Part # 816665-000, is a cast-iron motor coupler for circulator pumps. It features 18 splines and is compatible with Armstrong S-69 series pumps and model 116516LF-137A.
SKU 3G-OTH-83526
Also listed as: 816665000 · 816665 000
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The ARMSTRONG Circulating Pump Coupler, Mfr Part # 816665-000, is a cast-iron motor coupler for circulator pumps. It features 18 splines and is compatible with Armstrong S-69 series pumps and model 116516LF-137A.
Frequently Asked Questions
What is the ARMSTRONG Circulating Pump Coupler used for?
This cast-iron coupler connects the motor to the pump shaft in Armstrong S-69 series circulator pumps, transmitting torque to move water in hydronic heating and cooling systems. It is a direct replacement for model 116516LF-137A.
What are the specifications of the ARMSTRONG 816665-000 coupler?
The ARMSTRONG 816665-000 coupler is made of cast iron with 18 splines. It is compatible with Armstrong S-69 series pumps and model 116516LF-137A. The manufacturer part number is 816665-000.
Where to buy the ARMSTRONG 816665-000 coupler worldwide?
3G Electric supplies the ARMSTRONG 816665-000 coupler worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this cast-iron pump coupler.
How to install the ARMSTRONG 816665-000 coupler?
To install, disconnect power, remove the old coupler, align the 18 splines with the motor and pump shafts, and slide the new cast-iron coupler into place. Ensure proper alignment to avoid vibration. Follow Armstrong pump service guidelines.
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3G Electric supplies ARMSTRONG motor couplers for circulator pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.