Armstrong Fluid Technology 106158-000 Gasket

The Armstrong Fluid Technology 106158-000 Volute Body Gasket is a precision-engineered OEM replacement part designed to ensure a leak-proof seal for high-performance circulation systems. Specifically manufactured for the #5 bearing assembly, this component is critical for maintaining the pressure integrity of your Armstrong circulator pump. It is fully compatible with popular Series S and Series H models, including the Armstrong S-55, S-57, H-51, H-52, H-53, and H-54 units. By utilizing a genuine circulator pump casing gasket, technicians can prevent fluid loss, optimize hydraulic efficiency, and protect internal motor components from moisture damage. Constructed from durable, high-grade materials, this 5.55-inch volute gasket withstands the rigorous thermal cycles and pressure demands typical of commercial and residential hydronic heating systems. Whether you are performing routine maintenance or a complete pump overhaul, this authentic Armstrong pump part provides the exact physical dimensions required for a flush fit between the pump body and the bearing frame.

• Precise Fitment: Engineered as a direct OEM replacement for Armstrong 106158-000 to guarantee seamless integration with Series H and Series S pumps.
• Enhanced Efficiency: Restores the airtight seal of the volute body, reducing energy consumption by preventing internal recirculation and external leaks.
• Broad Compatibility: Supports a wide range of models including H51, H52, H53, H54, S55, and S57.
• Industrial Durability: Resists the degrading effects of treated boiler water and high operating temperatures for long-term reliability.

Which Armstrong pump models use the 106158-000 gasket?
This gasket is designed for the #5 bearing assembly found in Armstrong S-55, S-57, and the entire H-series from H-51 through H-54.

What are the dimensions of this volute body gasket?
The 106158-000 measures approximately 5.55 inches by 5.55 inches with a thickness of 0.05 inches, ensuring a standard fit for specified Armstrong Fluid Technology casings.

How do I know if I need to replace my pump casing gasket?
Visible mineral deposits, moisture around the volute-to-motor connection, or a drop in system pressure often indicate that the body gasket has failed and requires immediate replacement.

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.