The Danfoss 003N-8252RA is a 1″ Open/Rise Temperature Regulator engineered for precise, self-acting temperature control in hydronic and steam heating systems. Designed to open as temperature rises, this regulator automatically modulates flow to maintain setpoint conditions within a 77–149°F operating range — no external power source required.
Key Features
- Self-acting, open-on-rise temperature regulation — no electricity required
- 1″ connection size for straightforward integration into standard piping systems
- Operating temperature range: 77°F to 149°F (25°C to 65°C)
- Open/Rise action: valve opens as sensed temperature increases, protecting equipment from overheating
- Compact, durable construction suited for commercial and industrial hydronic applications
- Danfoss quality engineering for long service life and dependable performance
Typical Applications
- Hydronic heating and cooling systems
- District heating networks
- Heat exchanger temperature control
- Boiler and process temperature regulation
- Industrial fluid temperature management
Product Specifications
- Brand: Danfoss
- SKU / Part Number: 003N-8252RA
- Connection Size: 1″
- Temperature Range: 77°F – 149°F
- Actuator Type: Open/Rise (opens on temperature increase)
- Operation: Self-acting (no external power required)
Trust Danfoss engineering to deliver consistent, maintenance-friendly temperature regulation in demanding HVAC and hydronic environments. The 003N-8252RA is an ideal solution for contractors and facility managers seeking reliable, set-and-forget control without the complexity of powered actuators.
