HVAC / Towel Warmers
Installation Guide for Terma Alex ONE Electric Towel Rail
A comprehensive installation guide for the Terma Alex ONE electric towel rail. Includes parts list, mounting instructions, technical requirements, and maintenance tips for a secure and efficient setup.
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
Before beginning the installation of your Terma Alex ONE towel rail, ensure you have all necessary components and tools. Key requirements include:
- Floor Clearance: The radiator must be fitted at least 100 mm from the floor to maximize heat efficiency.
- Drilling: Use a 10 mm drill bit to drill holes to a depth of approximately 80 mm.
- Valves: Standard 1/2 inch BSP radiator valves are required but are not provided with the product.
- Wall Type: The supplied rawl plugs are designed for hard masonry walls only. Ensure they are suitable for your specific wall type.
Parts list
Verify that the following items are included in the fixing kit:
- Rawl plugs (1)
- Wall fixing screws and washers (2)
- Mounting brackets (3)
- Collector fixing screws (4)
- Air vent
- Allen key
Installation steps
- Preparation: Check for hidden wires or pipes in the wall before drilling. Mark the position of the brackets based on the distances between bracket centers.
- Drilling: Drill holes to a depth of approximately 80 mm using a 10 mm drill bit.
- Mounting Brackets: Insert the rawl plugs (1) into the holes. Attach the mounting brackets (3) using the connecting screws and washers (2).
- Securing the Radiator: Guide the radiator brackets into the mounting brackets (3) and fix them securely using the connecting screws (4).
- Connection: Connect the water flow using appropriate 1/2 inch BSP valves, following the valve manufacturer's guidelines.
- Finishing: Fill the radiator and purge any trapped air using the bleed valve located at the top of the unit.
Maintenance
To keep your radiator in good condition, wipe it down using a clean, damp cloth. Never use scourers or abrasive cleaning agents, as these can damage the finish.
Practical help
Common problems
Radiator not heating properly
Ensure the system is correctly filled and that all trapped air has been purged via the bleed valve at the top of the radiator.
Brackets feel loose or unstable
Verify that the wall type is suitable for the supplied rawl plugs. If the wall is not hard masonry, you may need to source appropriate fixings for your wall type.
Before use
- Check that all parts listed in the fixing kit are present.
- Ensure you have purchased standard 1/2 inch BSP radiator valves.
- Check the wall for hidden wires or pipes before drilling.
- Verify that the wall material is suitable for the supplied masonry plugs.
- Ensure the radiator will be mounted at least 100 mm from the floor.
Specs in practice
- 10 mm drill bit
- The required size for drilling holes for the mounting bracket rawl plugs.
- 1/2 inch BSP
- The standard size for the radiator valves required for connection.
Images and diagrams
- The diagrams illustrate the 7-step mounting process, including drilling, bracket attachment, and final radiator securing.
- The fixing kit diagram identifies the specific screws, plugs, and brackets required for assembly.
Model compatibility
- Designed for closed heating systems.
- Requires standard 1/2 inch BSP radiator valves (not included).
- Supplied plugs are for hard masonry walls only.
Manual page author
David Miller
Documentation analyst
Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.