Here at the heat is on, we put the knowledge of what you need directly in your hands as the homeowner, so you needn’t ask or wait for information from your plumber. Here we give you complete expert guidance for this specific heated towel rail — including details of any additional parts required — so you can ensure a smooth and successful installation when your tradesman arrives.
heat output
- Firstly, if you haven't already done so - use our heat calculator to work out your specific requirements for your room to ensure you are looking at the right size heated towel rail - in terms of the BTUs heat output it gives.
design & material
- OUTCORNER is an innovative towel rail designed to wrap elegantly around an outward-projecting corner—perfect for bathrooms where a protruding wall interrupts straight wall space.
- Its unique external-angle construction transforms an otherwise awkward architectural feature into a practical heating and storage solution.
- The grouped sets of bars provide wide, accessible openings for hanging towels while maintaining a concentrated heating surface for strong thermal performance.
- With its clever use of space and eye-catching geometry, OUTCORNER becomes an attractive and functional highlight in any modern bathroom.
- Made from low carbon mild steel.
- Additionally, we have created a thorough and detailed technical guide on central heating towel rails, giving even more information and tips.
full range of sizes available
- In addition to the sizes we are displaying here on the heat is on - you can view the full range of 5 different sizes of INCORNER here on the Terma website.
- When viewing the Terma website the heat outputs are only listed in Watts - using the column header stating 75/65/20, multiply the amounts by 3.41 to get the BTUs equivalent.
- If you want to learn more about heat output, view our technical guide on heat output.
- We can process a special order for any size you wish to purchase if that size is not shown on our website.
colour & finish
- Painted in Silver (premium wet paint).
- This is a premium wet paint hand-applied, creating a deeper, more metallic finish than automated powder coating.
- If you don’t have the budget for a premium wet paint, the closest powder paint match is Inox, a slightly darker, stainless steel tone, available at ~25% lower cost. Call us to request this colour.
- Additionally, we have a thorough technical guide on paint finishes and colours for more information.
advice on which valves to purchase for piped installation (central heating)
- This heated towel rail is not supplied with valves; we provide a wide selection so you can choose what best fits your design and requirements.
- We make choosing the correct valves easy with guidance and pre-filtered options for this specific model.
- Valve options:
- 1. Matching/complementary colour valve & pipe sets — exact match or closest complementary finish. Comes with pipes and wall covers.
- 2. Standard valve & pipe sets — economical option, closest colour only. Pipes/covers need purchasing separately.
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Valve orientation: 3-Axis (corner), straight or angled
- Wall pipework: use 3-axis corner valves.
- Floor pipework: use straight valves.
- Note: Angled valves are not recommended; valve heads will protrude.
- See our technical guide on radiator valves for more information.
what is dual fuel and advice on accessories
- Dual Fuel — runs on central heating in winter and electric in summer for standalone use.
- Required components: heating element + dual fuel valve.
- Heating element: select the correct wattage listed for this rail.
- Note: do not exceed recommended wattage; it reduces lifespan without increasing heat.
- Dual fuel valve: UNICO Integrated Valve recommended; exact or complementary match available.
- Note: Consider which side your electric supply will be to minimize cable run.
- Note: Standard valves require a T-piece, which may appear cumbersome.
- Add rail, heating element, and valve to your cart for dual fuel installation.
- See our technical guide on dual fuel towel rails for more tips.
safety & compliance
- Built and tested to EN442 standards; UKCA certified.
- Heat outputs independently verified for accuracy.
guarantee & warranty
- Supplied with a 12-year manufacturer’s warranty.
