Danfoss 003N-7252RA 3/4″ Open/Rise Temperature Regulator, 77–149°F

Danfoss 003N-7252RA Open/Rise Temperature Regulator Overview

The Danfoss 003N-7252RA is a 3/4″ self-acting temperature regulator designed to open on a rise in temperature. Built to Danfoss’s exacting standards, this valve delivers dependable, automatic temperature control without the need for external power — making it an ideal solution for hydronic heating systems, refrigeration circuits, and industrial process applications where precise thermal management is critical.

Key Features

• Self-acting, automatic temperature regulation — no external power required
• Opens on rising temperature (open/rise action) for reliable overheat protection and flow control
• Temperature control range: 77°F to 149°F (25°C to 65°C)
• 3/4″ pipe connection for straightforward installation into standard hydronic and refrigeration piping
• Robust Danfoss construction for long service life in demanding HVAC and industrial environments
• Compact, self-contained design simplifies installation and reduces maintenance requirements

Typical Applications

• Hydronic heating and cooling systems
• Refrigeration and chilled water circuits
• Industrial process temperature control
• Heat exchanger bypass and protection
• Domestic hot water system temperature management

Product Specifications

• Brand: Danfoss
• SKU / Part Number: 003N-7252RA
• Connection Size: 3/4″
• Temperature Range: 77°F – 149°F
• Valve Action: Opens on Rising Temperature
• Actuation: Self-acting (no external power required)