Danfoss RA 15/6T and RA 15/6TB Conversion Valve Instructions
Installation and operation guide for Danfoss RA 15/6T and RA 15/6TB radiator conversion valves, covering mounting procedures and component compatibility.
Table of contents
Product Overview
The Danfoss RA 15/6T and RA 15/6TB are conversion valves designed for radiator systems. These valves allow for the efficient regulation of heating output when paired with compatible Danfoss radiator thermostats.
Installation and Mounting
The installation process involves attaching the valve body to the radiator connection point. Ensure the valve is correctly aligned with the radiator pipework before tightening the connection. Once the valve body is securely installed, the radiator thermostat can be mounted.

Mounting the Thermostat
- Align the thermostat with the valve body connection.
- Push the thermostat firmly onto the valve until you hear a distinct click sound.
- The click indicates that the thermostat is securely locked in place and ready for operation.
Technical Specifications
The RA 15/6T and RA 15/6TB series are available in various configurations to suit different pipe sizes, typically including 1/2 inch and 3/4 inch connections. Ensure you select the correct model code corresponding to your specific installation requirements to guarantee compatibility.
Maintenance and Safety
Regular inspection of the valve connections is recommended to ensure there are no leaks. If the valve becomes difficult to operate or if the thermostat fails to regulate the temperature correctly, check the connection for any obstructions or damage. Do not attempt to disassemble the internal valve mechanism, as this may compromise the seal and lead to system leaks. If a fault is detected, consult a professional heating technician for replacement or repair.
Disposal
When replacing the valve, dispose of the old unit in accordance with local environmental regulations regarding metal components and heating equipment waste.
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