Description
Xylem-Hoffman Specialty Series 17C Balanced Pressure Thermostatic Steam Trap
The Xylem-Hoffman Specialty 402012 (Model 17C-A-4-25) is a Series 17C Balanced Pressure Thermostatic Steam Trap engineered for reliable, efficient condensate removal in commercial and industrial steam systems. Featuring a 1″ NPT angle pattern configuration and a 25 PSI differential pressure rating, this trap is built to handle demanding steam heating applications with consistent performance and minimal maintenance.
Balanced pressure thermostatic traps respond to temperature differences between steam and condensate, opening to discharge subcooled condensate and closing when live steam is present. This design ensures efficient heat transfer, prevents steam loss, and protects downstream equipment from water hammer and corrosion.
Key Features
- Series 17C balanced pressure thermostatic operating element for precise steam/condensate discrimination
- 1″ NPT connections for straightforward installation into standard piping systems
- Angle pattern body configuration for versatile inline or directional piping arrangements
- 25 PSI differential pressure rating suitable for low-to-medium pressure steam systems
- Durable construction designed for long service life in commercial and industrial environments
- Compact design minimizes installation space requirements
Specifications
- SKU: 402012
- Model: 17C-A-4-25
- Series: 17C
- Connection Size: 1″ NPT
- Body Pattern: Angle
- Differential Pressure Rating: 25 PSI
- Trap Type: Balanced Pressure Thermostatic
- Brand: Xylem-Hoffman Specialty
Applications
- Steam heating systems in commercial and institutional buildings
- Industrial process steam lines
- Steam distribution and condensate return systems
- Radiators, unit heaters, and heat exchangers







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