Armstrong Fluid Technology 816305-328K Impeller Kit

The Armstrong Fluid Technology 816305-328K Impeller Kit is a precision-engineered OEM replacement part designed to restore the hydraulic performance of your Armstrong S-45 Series pumps. This comprehensive centrifugal pump repair kit includes a 3.88-inch plastic impeller, specifically molded from high-strength polymers to resist corrosion and erosion in hydronic environments. To ensure a leak-proof installation, the kit comes complete with a professional-grade gasket and seal kit, eliminating the need to source individual components. By installing this genuine Armstrong 816305-328K, facility managers can maintain optimal flow rate efficiency and reduce motor strain in in-line circulating pumps. Whether you are performing routine maintenance on Armstrong model 174036MF-113 or 174036MF-143, this direct-fit solution provides the geometric accuracy required for quiet, vibration-free operation. How do I replace an Armstrong S-45 impeller? What is the impeller diameter for Armstrong 816305-328K? Where can I find an Armstrong S-45 seal kit?

Key Benefits

• Optimized Fluid Dynamics: The 3.88" plastic impeller is balanced to maximize head pressure and system circulation.
• All-In-One Solution: Includes the necessary gaskets and seals to provide a comprehensive rebuild of the wet end.
• Broad Compatibility: Directly replaces parts in Armstrong S-45 series and compatible Grainger models 788VA7 and 788VA8.
• Durable Construction: High-strength plastic material ensures longevity in both heating and cooling applications.

Common Questions

Is this kit compatible with other pump brands?
This kit is specifically engineered for Armstrong Fluid Technology S-45 in-line circulators. We recommend verifying your pump's model number on the nameplate to ensure an exact match before installation.

Does the kit include the mechanical seal?
Yes, the 816305-328K is a complete kit that includes the 3.88" impeller along with the essential gasket and seal components required for a standard service interval.

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.