Armstrong Fluid Technology 812961-111 Impeller
The Armstrong Fluid Technology 812961-111 Impeller is a precision-engineered Noryl plastic impeller specifically designed to restore the hydraulic performance of your Armstrong S-25 circulator pump. This non-ferrous plastic component is an essential HVAC replacement part used in heating and cooling systems where resistance to corrosion is paramount. With an outside diameter of 2-3/4 inches, it is manufactured via high-quality injection molding to ensure dimensional stability and precision balancing, which significantly reduces pump vibration and noise during high-speed operation. This lightweight Noryl impeller minimizes axial loading on the shaft, effectively extending the service life of your pump motor. Whether you are performing routine pump maintenance or a full S25 pump repair, this genuine Armstrong component ensures optimal fluid dynamics and pumping efficiency in both residential and commercial hydronic applications. It is compatible with Series S circulators, specifically models 174031MF-013 and 174031MF-043.
Key Benefits:- Corrosion Resistance: High-grade non-ferrous plastic construction prevents rust and mineral buildup in harsh water conditions.
- Enhanced Efficiency: Precision-molded fluid dynamics improve flow rates and overall hydraulic efficiency.
- Quiet Operation: Superior precision balancing minimizes mechanical noise and harmful system vibrations.
- Reduced Wear: Lightweight material reduces axial loading on the pump shaft and bearings.
- Direct Fit: Specifically engineered as an OEM replacement for the Armstrong S-25 pump series.
Is this impeller compatible with all Armstrong S-Series pumps?
This specific part number, 812961-111, is designed for the S-25 model. It is essential to verify your specific pump model or serial number on the nameplate to ensure a perfect 2.75" diameter fit.
Why should I choose a plastic impeller over bronze or steel?
A non-ferrous plastic impeller like this one is specifically chosen for its immunity to corrosion and its ability to be trimmed or balanced with extreme precision, which is often more difficult with metallic alternatives.
What are the signs that my impeller needs to be replaced?
Look for signs such as a drop in discharge pressure, loud grinding or vibrating noises during operation, or a complete lack of water flow despite the motor running correctly.
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.
Original: $190.66
-65%$190.66
$66.73Armstrong Fluid Technology 812961-111 Impeller
The Armstrong Fluid Technology 812961-111 Impeller is a precision-engineered Noryl plastic impeller specifically designed to restore the hydraulic performance of your Armstrong S-25 circulator pump. This non-ferrous plastic component is an essential HVAC replacement part used in heating and cooling systems where resistance to corrosion is paramount. With an outside diameter of 2-3/4 inches, it is manufactured via high-quality injection molding to ensure dimensional stability and precision balancing, which significantly reduces pump vibration and noise during high-speed operation. This lightweight Noryl impeller minimizes axial loading on the shaft, effectively extending the service life of your pump motor. Whether you are performing routine pump maintenance or a full S25 pump repair, this genuine Armstrong component ensures optimal fluid dynamics and pumping efficiency in both residential and commercial hydronic applications. It is compatible with Series S circulators, specifically models 174031MF-013 and 174031MF-043.
Key Benefits:- Corrosion Resistance: High-grade non-ferrous plastic construction prevents rust and mineral buildup in harsh water conditions.
- Enhanced Efficiency: Precision-molded fluid dynamics improve flow rates and overall hydraulic efficiency.
- Quiet Operation: Superior precision balancing minimizes mechanical noise and harmful system vibrations.
- Reduced Wear: Lightweight material reduces axial loading on the pump shaft and bearings.
- Direct Fit: Specifically engineered as an OEM replacement for the Armstrong S-25 pump series.
Is this impeller compatible with all Armstrong S-Series pumps?
This specific part number, 812961-111, is designed for the S-25 model. It is essential to verify your specific pump model or serial number on the nameplate to ensure a perfect 2.75" diameter fit.
Why should I choose a plastic impeller over bronze or steel?
A non-ferrous plastic impeller like this one is specifically chosen for its immunity to corrosion and its ability to be trimmed or balanced with extreme precision, which is often more difficult with metallic alternatives.
What are the signs that my impeller needs to be replaced?
Look for signs such as a drop in discharge pressure, loud grinding or vibrating noises during operation, or a complete lack of water flow despite the motor running correctly.
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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Armstrong Fluid Technology 812961-111 Impeller is a precision-engineered Noryl plastic impeller specifically designed to restore the hydraulic performance of your Armstrong S-25 circulator pump. This non-ferrous plastic component is an essential HVAC replacement part used in heating and cooling systems where resistance to corrosion is paramount. With an outside diameter of 2-3/4 inches, it is manufactured via high-quality injection molding to ensure dimensional stability and precision balancing, which significantly reduces pump vibration and noise during high-speed operation. This lightweight Noryl impeller minimizes axial loading on the shaft, effectively extending the service life of your pump motor. Whether you are performing routine pump maintenance or a full S25 pump repair, this genuine Armstrong component ensures optimal fluid dynamics and pumping efficiency in both residential and commercial hydronic applications. It is compatible with Series S circulators, specifically models 174031MF-013 and 174031MF-043.
Key Benefits:- Corrosion Resistance: High-grade non-ferrous plastic construction prevents rust and mineral buildup in harsh water conditions.
- Enhanced Efficiency: Precision-molded fluid dynamics improve flow rates and overall hydraulic efficiency.
- Quiet Operation: Superior precision balancing minimizes mechanical noise and harmful system vibrations.
- Reduced Wear: Lightweight material reduces axial loading on the pump shaft and bearings.
- Direct Fit: Specifically engineered as an OEM replacement for the Armstrong S-25 pump series.
Is this impeller compatible with all Armstrong S-Series pumps?
This specific part number, 812961-111, is designed for the S-25 model. It is essential to verify your specific pump model or serial number on the nameplate to ensure a perfect 2.75" diameter fit.
Why should I choose a plastic impeller over bronze or steel?
A non-ferrous plastic impeller like this one is specifically chosen for its immunity to corrosion and its ability to be trimmed or balanced with extreme precision, which is often more difficult with metallic alternatives.
What are the signs that my impeller needs to be replaced?
Look for signs such as a drop in discharge pressure, loud grinding or vibrating noises during operation, or a complete lack of water flow despite the motor running correctly.
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.
