Installation Guide for Terma Easy 1280x200mm SX Radiator
A comprehensive installation guide for the Terma Easy 1280x200mm SX radiator. This manual covers the parts list, step-by-step mounting instructions, maintenance tips, and technical requirements for a successful installation.
Table of contents
Quick Installation Overview
Before beginning the installation of your Terma Easy 1280x200mm SX radiator, ensure you have all necessary parts and tools. This radiator is designed for closed heating systems and requires standard 1/2" radiator valves (not included). For optimal heat efficiency, the radiator should be mounted at least 100 mm from the floor. Please note that the provided wall plugs are suitable for hard masonry walls only; ensure you use the correct fixings for your specific wall type.
Parts List
Verify that your fixing kit contains the following items:
- Rawl plugs (1)
- Wall fixing screws and washers (2)
- Mounting bracket-1 (3)
- Bracket connecting screws (4)
- Bracket to collector fixing screws (5)
- Mounting bracket-2 (6)
- Air vent
- Allen key
Installation Steps

- Preparation: Check for hidden wires or pipes before drilling. Mark the bracket positions on the wall based on the distance between bracket centers.
- Drilling: Drill holes to approximately 80 mm depth using a 10 mm drill bit.
- Wall Mounting: Insert rawl plugs (1). Use the connecting screw and washer (2) to attach mounting bracket-1 (3) to the wall.
- Radiator Preparation: Attach mounting bracket-2 (6) to the radiator using the bracket to collector fixing screw (5).
- Final Assembly: Guide all mounting brackets-2 (6) into the wall-mounted brackets-1 (3) and secure them using the connecting screws (4).
- Connection: Connect the water flow using appropriate 1/2" BSP valves, following the valve manufacturer's guidelines.
- Finishing: Fill the radiator and purge any trapped air using the bleed valve at the top.
Maintenance
Keep your radiator clean by wiping it down with a clean, damp cloth. Never use scourers or abrasive cleaning agents, as these can damage the finish.
Support
For all installation and warranty enquiries, please contact Crimson Bear Customer Support at 01535 636256.
Practical help
Common problems
Ensure you purchase standard 1/2" radiator valves before starting the installation.
The supplied plugs are for hard masonry walls only. Use appropriate fixings for other wall types (e.g., plasterboard).
Ensure the radiator is fitted at least 100 mm from the floor to maximize heat output.
Before use
- Verify all parts from the fixing kit are present.
- Check for hidden wires or pipes in the wall before drilling.
- Ensure you have 1/2" BSP valves ready.
- Confirm the wall type is suitable for the provided plugs.
- Ensure the heating system is a closed system.
Specs in practice
- 10 mm drill bit
- The required size for drilling holes for the wall plugs.
Images and diagrams
- Page 1 provides a detailed parts list and dimensions for the SX model.
- Page 2 illustrates the 9-step mounting process, including drilling, bracket attachment, and final assembly.
Model compatibility
- Designed for closed heating systems only.
- Suitable for water and dual fuel versions.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.