Armstrong Fluid Technology 818504-000K Assembly kit

The Armstrong Fluid Technology 818504-000K Seal Bearing Assembly Kit is a premium, maintenance-free solution designed to restore the performance of your circulator pumps. This high-efficiency SBA-MF 5 Series assembly is engineered for durability, featuring a stainless steel shaft and an EPDM/sintered silicon carbide seal to prevent leaks and ensure long-term reliability in demanding HVACR environments. As a genuine OEM replacement, the 818504-000K serves as the direct replacement for 816032MF-000 and 100133539, ensuring seamless compatibility and reduced downtime during installation.

Ideally suited for industrial and commercial hydronic systems, this Armstrong pump repair kit supports a wide range of models, including the Series S-55, S-57, H-51, H-52, H-53, H-54, and the 1050 Series. By utilizing precision-engineered maintenance-free ball bearings, this assembly eliminates the need for manual lubrication, significantly lowering your overall maintenance costs. Whether you are performing routine service or an emergency repair, this circulator pump bearing assembly provides the structural integrity needed to extend equipment life and optimize flow efficiency.

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• Direct OEM Compatibility: Specifically designed to replace obsolete part numbers 816032MF-000 and 100133539 without modifications.
• Maintenance-Free Design: Features permanently lubricated ball bearings to reduce specialized labor and system downtime.
• Superior Material Build: Equipped with a corrosion-resistant stainless steel shaft and high-grade EPDM seals for leak-proof operation.
• Wide Application Range: Compatible with popular Armstrong 1050-1, 1050-2, and Series H/S circulators.

Which pump models are compatible with the 818504-000K?
This kit fits a variety of Armstrong models, specifically the S-55, S-57, H-51, H-52, H-53, H-54, and 1050-1 through 1050-2 series pumps.

What is the difference between this and the 816032MF-000?
The 818504-000K is the current production replacement for the older 816032MF-000. It offers updated technical specifications while maintaining the same physical fit and function.

Does this kit include the impeller?
No, this assembly kit includes the seal bearing assembly, shaft, and seal. The impeller is typically sold separately or should be reused from the existing unit if it is in good condition.

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.