Armstrong AR-804034-000 Gasket Set Pump Replacement

Product Description

The ARMSTRONG AR-804034-000 is a replacement gasket set designed for use in Armstrong circulator and inline pump assemblies. Gasket sets serve as sealing components between pump housings, flanges, and mating surfaces, preventing fluid leakage and maintaining system pressure integrity. This set is intended for installation by licensed plumbing and HVAC technicians performing pump service, rebuild, or seal replacement on hydronic heating, cooling, and fluid transfer systems. Proper gasket replacement is a standard part of pump maintenance and overhaul procedures.

This gasket set fits Armstrong Series 1050, Series 1060, Series 4030, Series 4270, Series 4280, Series 4380, Series H, and Series S pumps. These series cover a range of residential and light commercial circulator and inline pump configurations commonly found in hydronic heating systems, chilled water systems, and building mechanical rooms. This part is appropriate for scheduled maintenance, seal failure repair, or pump rebuild applications across these supported series.

Key Features

• Direct OEM replacement gasket set for multiple Armstrong pump series
• Provides sealing at pump housing and flange mating surfaces
• Supports leak repair and full pump rebuild procedures
• Compatible across eight Armstrong pump series for broad service coverage

Compatibility

Fits Armstrong Series 1050, Series 1060, Series 4030, Series 4270, Series 4280, Series 4380, Series H, and Series S pumps.

Installation Notes

Installation should be performed by a licensed plumber or HVAC technician. Shut down the system and isolate the pump using service valves before disassembly. Drain fluid from the pump casing to prevent spillage during gasket replacement. Ensure mating surfaces are clean and free of old gasket material before seating the new gaskets to achieve a proper seal.

Technical Specifications

• Component Type: Gasket Set

Standard Information

• Brand: ARMSTRONG
• Manufacturer Part Number: AR-804034-000