Thermostatic Radiator Valve DANFOSS Redia M30x1.5 with RLV-KB 1/2" Angle Valve Insert

Thermostatic Radiator Valve DANFOSS Redia M30x1.5 with RLV-KB 1/2" Angle Valve Insert is a compact valve assembly for hot water radiator temperature control. The unit combines a standard M30x1.5 thermostatic head connection with a 1/2" angle valve insert to regulate flow to the radiator and maintain set room temperatures. It is intended for use in domestic and commercial hydronic heating systems where reliable, proportional temperature control and radiator balancing are required.

Advantages

The assembly provides precise temperature regulation through a thermostatic connection compatible with M30x1.5 heads and a robust angle valve insert designed for long service life. Its compact angle body facilitates installation in tight spaces and supports system balancing by modulating water flow. Materials and construction are selected to ensure corrosion resistance and stable operation in typical hot water heating circuits.

Suitable for

• Room temperature control on panel and column radiators
• Balancing flow in domestic and light-commercial hydronic heating systems
• Replacement or upgrade of existing radiator valves with M30x1.5 thermostatic heads
• Installations requiring compact angle valve bodies due to space constraints

Key specifications

• Thermostatic head connection: M30x1.5
• Valve insert type: 1/2" angle valve insert
• Application: hot water radiator temperature regulation
• Function: automatic proportional flow control for room temperature maintenance
• Mounting orientation: angle (90°) connection between radiator and system pipework
• Typical use: residential and commercial heating circuits

How to use

Install the angle valve insert into the radiator valve body and attach a compatible thermostatic head with an M30x1.5 thread. Once fitted to the radiator inlet, connect the system pipework and test for leaks. Set the thermostatic head to the required room temperature; the valve will modulate flow automatically to maintain the set point. Observe manufacturer guidance on installation torque and sealing to avoid damage to threads and ensure leak-free joints.

Usage recommendations

For reliable operation, pair the valve assembly with a thermostatic head designed for M30x1.5 mounting and perform a system flush before installation to remove debris. Consider professional installation for complex systems or when combining with automatic balancing devices. Periodic inspection during annual heating system service is recommended to check for leaks, valve movement freedom, and proper temperature regulation.