Description
The Armstrong International D25519 is a factory-authorized repair kit (Kit No. K-370) designed for 1/2″ and 3/4″ TS-2 series thermostatic steam traps. This comprehensive kit provides all the critical internal components needed to restore proper trap operation, extending service life and eliminating the cost of full trap replacement.
Kit Contents
- Bellows assembly — the thermostatic sensing element that opens and closes the trap in response to temperature changes
- Seat — precision-machined seating surface for reliable shut-off and long-term sealing performance
- Gasket — ensures a leak-free seal between mating surfaces upon reassembly
Compatible Applications
- Fits Armstrong International TS-2 series thermostatic steam traps
- Designed for 1/2″ and 3/4″ trap body sizes
- Suitable for steam heating systems, process steam lines, and hydronic applications
Key Benefits
- Genuine Armstrong International OEM replacement components for assured fit and function
- Restores original trap performance and condensate discharge efficiency
- Cost-effective alternative to full trap replacement
- All necessary internal repair components included in a single kit
- Simplifies field service and reduces downtime
Product Details
- SKU: D25519
- Kit Number: K-370
- Brand: Armstrong International
- Compatible Trap Series: TS-2
- Pipe Sizes: 1/2″ and 3/4″







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