Armstrong Fluid Technology 816665-000 Coupler

Optimize your HVACR system's performance with the Armstrong Fluid Technology 816665-000 Coupler. This high-quality sleeve-type coupler assembly is a critical OEM replacement part designed for seamless torque transfer between the motor and pump shaft. Engineered specifically for Armstrong Series 1060 and S&H Series circulator pumps, this 5/8" x 5/8" coupler ensures a vibration-free connection that extends the operational life of your equipment. Built from durable materials to withstand the rigors of continuous commercial and industrial heating applications, the Armstrong 816665-000 provides a secure, precision fit. Whether you are performing routine maintenance or an emergency repair, utilizing genuine Armstrong pump parts guarantees compatibility and restores your system to factory-standard efficiency. This complete assembly includes the central flexible sleeve and two rugged flanges, making it the preferred choice for technicians seeking a reliable solution for centrifugal pump maintenance and shaft alignment.

• Precision Alignment: Ensures perfect synchronization between the 5/8" motor shaft and the pump, reducing mechanical wear.
• Enhanced Durability: The heavy-duty sleeve-type design is engineered for high-demand HVAC hydronic systems.
• Simple Installation: Designed as a direct drop-in replacement for model H63, H64, H65, and S69 pumps.
• Vibration Dampening: The flexible 4J central element absorbs shock and minimizes noise during high-speed operation.

Which pump models are compatible with this coupler?
This assembly is primarily used with Armstrong S&H Series (H63 to H68, S69) and the 1060 Series centrifugal pumps.

What is included in the 816665-000 assembly?
The package typically includes two 5/8" metal flanges and one Woods 4JE one-piece rubber sleeve for a complete link.

How do I know if my coupler needs replacing?
Common signs include increased operational noise, excessive vibration, or visible wear on the rubber sleeve element during inspection.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

This item is not eligible for free shipping.