Description
The Armstrong International D25403 is a genuine OEM Pilot Valve Kit (Kit No. K-2110) engineered for use with Armstrong’s GP-2000 Series Pressure Reducing Valves in sizes ranging from 1/2″ through 6″. This comprehensive service kit provides technicians with everything needed to restore proper pilot valve function, ensuring accurate and reliable pressure regulation in steam and hydronic systems.
Kit Contents
- Pilot Valve Gasket — provides a leak-free seal at the pilot valve interface
- Pilot Valve Assembly — complete pilot valve unit for direct replacement
- Two (2) Pilot Diaphragms — flexible sensing elements that maintain precise downstream pressure control
Key Features & Benefits
- Genuine Armstrong International OEM replacement components for assured fit and performance
- Compatible with GP-2000 Series Pressure Reducing Valves in 1/2″ through 6″ pipe sizes
- Restores accurate downstream pressure regulation and extends valve service life
- All components supplied together in a single kit for convenient, efficient maintenance
- Reduces system downtime with a straightforward, field-serviceable repair solution
Application
The GP-2000 Series Pressure Reducing Valves are widely used in commercial and industrial steam and hot water distribution systems. Routine replacement of pilot valve components — including the gasket, assembly, and diaphragms — is essential to maintaining precise pressure control, preventing pressure creep, and protecting downstream equipment. The D25403 kit simplifies scheduled maintenance and emergency repairs by consolidating all critical pilot valve parts into one convenient package.
Product Specifications
- SKU: D25403
- Kit Number: K-2110
- Compatible Valve Series: Armstrong GP-2000 Pressure Reducing Valves
- Compatible Valve Sizes: 1/2″ through 6″
- Kit Includes: Pilot Valve Gasket, Pilot Valve Assembly, Two (2) Pilot Diaphragms
- Brand: Armstrong International







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