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The Arvani 800x450mm is a vertical anthracite towel rail built to warm a cloakroom, en-suite or utility and dry towels at the same time. Heat output is 1,282 BTU at ΔT50 — 376W in metric.
It takes standard 1/2" connections and a pair of 15mm radiator valves, which are ordered separately.
Specification
Product Description:
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Size: 800x450mm
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BTU: 1282 - 962
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Watt Output: 376 - 282W
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Recommended Area: Up to 4m²
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Stylish flat panel towel rail in a premium anthracite finish
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Durable low-carbon mild steel construction with triple layer plating
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Vertical mount, ideal for bathrooms, kitchens, and cloakrooms
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Powder-coated to exceed 200 hours of neutral acid salt spray testing
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High heat output – warms towels and the room efficiently
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Compatible with all UK heating systems (BS EN442 standard)
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1/2" inlets and outlets, pressure tested to 10 bar
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Radiator valves not included (sold separately)
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10-year manufacturer guarantee for long-lasting performance
BTU values are provided as a range based on ΔT50°C (standard UK rating) and ΔT30°C (lower temperature systems).
Frequently asked questions
Will it fit a narrow wall?
Yes — 450mm is narrow enough for most awkward walls. The height is where it takes its space: 800mm, so check you have headroom above the skirting and below any shelf or cabinet.
Which radiator valves go with it?
You need one pair of 15mm valves. Match the finish to the rail — we stock them in anthracite — and choose angled or straight depending on where your pipes come from.
Will the finish mark?
The anthracite finish is powder coated and tested to over 200 hours of salt spray, so bathroom humidity is not a problem. Wipe it with a damp cloth; avoid bleach and abrasive creams, which dull a matt coat faster than a gloss one.
How long is the guarantee?
10 years against manufacturing defects on this Arvani. Keep your order number; that is all we need to process a claim.
- Type: Heated Towel Rail
- Width: 450mm
- Height: 800mm
- Panels: Single Panel
- Heat output: Medium (1201–1700 BTU)
- Connection position: Side
- Valve style: Angled or Straight
Help choosing
A towel rail should keep the bathroom warm, not just dry towels. Check it's powerful enough for the room.
Enter your room size to see the heat output you need.
- Match the output to the room. Use the BTU figure from the calculator. In a bathroom, a towel rail alone often heats a small room; bigger rooms may need a radiator too.
- Check your connections. Measure the gap between your pipes and choose valves to suit: angled, straight or corner (see the valve helper on our valve pages).
- Heat pump? At the lower water temperatures heat pumps run at, expect roughly half the listed output.
- Summer use. Central heating rails only warm up when the heating is on. A dual fuel kit adds an electric element where the rail supports it.
Still not sure? Send us your measurements and we'll check for you.
