
Armstrong Fluid Technology 807436-001 Coupler
The Armstrong Fluid Technology 807436-001 Coupler is a precision-engineered flex coupler designed to facilitate efficient power transmission in industrial and commercial pumping systems. This genuine OEM replacement part features a 1/2" x 1/2" bore configuration, specifically developed for use with Armstrong 1050 series pumps and H-Series models including H-51, H-52, H-53, and H-54. As a direct armstrong pump repair solution, the 807436-001 is the official successor to the 807436-000, ensuring a seamless fit and restored performance. Constructed from high-grade EPDM coupling material and durable metal flanges, this 3-piece assembly effectively dampens vibration and accommodates minor shaft misalignment to protect the motor and bearing assembly. Whether you are performing routine maintenance or an emergency HVAC pump service, utilizing this authentic circulator pump coupler ensures your hydronic system maintains optimal operational integrity and technical reliability across all compatible single-phase motor applications.
Key Benefits:- Universal Compatibility: Engineered to fit a wide range of popular models including Armstrong 1050-1, 1050-1.25, and high-head H-Series pumps.
- Enhanced Vibration Dampening: The flexible EPDM insert absorbs operational shocks, reducing noise and extending the lifespan of internal pump components.
- Direct OEM Replacement: Replaces discontinued part number 807436-000 and serves as a cross-reference for Bell & Gossett 118473 and Woods 3J components.
- Precision Alignment: Features a 1/2" x 1/2" bore size with secure set-screw mounting to prevent shaft slippage during high-torque startup.
- Is this coupler compatible with three-phase motors? This specific model is primarily designed for Armstrong 1050 and H-Series pumps equipped with single-phase motors.
- What does the kit include? The 807436-001 typically consists of a 3-piece assembly: two coupling flanges and one flexible insert (sleeve).
- Can I use this to replace a spring-style coupler? While this is a flexible insert type, it is the recommended direct replacement for the specified series; always verify your specific pump's shaft dimensions (1/2" x 1/2") before installation.
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.
Original: $67.89
-65%$67.89
$23.76Armstrong Fluid Technology 807436-001 Coupler
The Armstrong Fluid Technology 807436-001 Coupler is a precision-engineered flex coupler designed to facilitate efficient power transmission in industrial and commercial pumping systems. This genuine OEM replacement part features a 1/2" x 1/2" bore configuration, specifically developed for use with Armstrong 1050 series pumps and H-Series models including H-51, H-52, H-53, and H-54. As a direct armstrong pump repair solution, the 807436-001 is the official successor to the 807436-000, ensuring a seamless fit and restored performance. Constructed from high-grade EPDM coupling material and durable metal flanges, this 3-piece assembly effectively dampens vibration and accommodates minor shaft misalignment to protect the motor and bearing assembly. Whether you are performing routine maintenance or an emergency HVAC pump service, utilizing this authentic circulator pump coupler ensures your hydronic system maintains optimal operational integrity and technical reliability across all compatible single-phase motor applications.
Key Benefits:- Universal Compatibility: Engineered to fit a wide range of popular models including Armstrong 1050-1, 1050-1.25, and high-head H-Series pumps.
- Enhanced Vibration Dampening: The flexible EPDM insert absorbs operational shocks, reducing noise and extending the lifespan of internal pump components.
- Direct OEM Replacement: Replaces discontinued part number 807436-000 and serves as a cross-reference for Bell & Gossett 118473 and Woods 3J components.
- Precision Alignment: Features a 1/2" x 1/2" bore size with secure set-screw mounting to prevent shaft slippage during high-torque startup.
- Is this coupler compatible with three-phase motors? This specific model is primarily designed for Armstrong 1050 and H-Series pumps equipped with single-phase motors.
- What does the kit include? The 807436-001 typically consists of a 3-piece assembly: two coupling flanges and one flexible insert (sleeve).
- Can I use this to replace a spring-style coupler? While this is a flexible insert type, it is the recommended direct replacement for the specified series; always verify your specific pump's shaft dimensions (1/2" x 1/2") before installation.
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.
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Description
The Armstrong Fluid Technology 807436-001 Coupler is a precision-engineered flex coupler designed to facilitate efficient power transmission in industrial and commercial pumping systems. This genuine OEM replacement part features a 1/2" x 1/2" bore configuration, specifically developed for use with Armstrong 1050 series pumps and H-Series models including H-51, H-52, H-53, and H-54. As a direct armstrong pump repair solution, the 807436-001 is the official successor to the 807436-000, ensuring a seamless fit and restored performance. Constructed from high-grade EPDM coupling material and durable metal flanges, this 3-piece assembly effectively dampens vibration and accommodates minor shaft misalignment to protect the motor and bearing assembly. Whether you are performing routine maintenance or an emergency HVAC pump service, utilizing this authentic circulator pump coupler ensures your hydronic system maintains optimal operational integrity and technical reliability across all compatible single-phase motor applications.
Key Benefits:- Universal Compatibility: Engineered to fit a wide range of popular models including Armstrong 1050-1, 1050-1.25, and high-head H-Series pumps.
- Enhanced Vibration Dampening: The flexible EPDM insert absorbs operational shocks, reducing noise and extending the lifespan of internal pump components.
- Direct OEM Replacement: Replaces discontinued part number 807436-000 and serves as a cross-reference for Bell & Gossett 118473 and Woods 3J components.
- Precision Alignment: Features a 1/2" x 1/2" bore size with secure set-screw mounting to prevent shaft slippage during high-torque startup.
- Is this coupler compatible with three-phase motors? This specific model is primarily designed for Armstrong 1050 and H-Series pumps equipped with single-phase motors.
- What does the kit include? The 807436-001 typically consists of a 3-piece assembly: two coupling flanges and one flexible insert (sleeve).
- Can I use this to replace a spring-style coupler? While this is a flexible insert type, it is the recommended direct replacement for the specified series; always verify your specific pump's shaft dimensions (1/2" x 1/2") before installation.
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.












