Stelrad Softline Compact K1 Single Panel Radiator - 450mm x 1100mm - White

The Stelrad Softline Compact K1 single panel radiator features a beautifully curved top grille and...

Best current price£76.45from City Plumbing GB

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3 offers from £76.45 - £164.54

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City Plumbing GBStelrad Softline 450Mm X 1100Mm Compact Single Panel Radiator K1
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£76.45
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Travis PerkinsStelrad Softline Compact K1 Single Panel Radiator 450mm x 1100mm
£30.00 delivery
£142.75
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B&QB&Q - Softline Compact K1 Single Panel Radiator 450mm X 1100mm 80451111.
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£164.54
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Product Information

Full details

The Stelrad Softline Compact K1 Single Panel Radiator is an ideal heating solution for homeowners and commercial property managers looking for a balance between minimalist aesthetics and reliable warmth. With its sleek curved grille and end panels, it integrates seamlessly into modern interiors while providing 832 W of heat output; however, as a single-panel unit, it is best suited for smaller rooms or as a supplementary heat source rather than primary heating for large, open-plan spaces.

All features

ColourWhite
Model Part Number80451111
BrandStelrad

Extended Product Information

FAQs

What is the heat output of this radiator?

The Stelrad Softline Compact K1 produces 832 W (2839 BTU/h).

Is this radiator suitable for a bathroom?

While it is durable, it is designed for general domestic or commercial spaces. Ensure it is placed in a well-ventilated area away from direct water spray.

Does it come with mounting brackets?

Yes, it is designed for a tight, professional fit and includes the necessary mounting hardware for standard wall installations.

What is the warranty period?

The radiator comes with a 15-year warranty against manufacturing defects.

Is the white finish paint or powder-coated?

Stelrad radiators feature a high-quality, durable finish designed to resist yellowing and minor impacts.

Troubleshooting

Radiator is cold at the top

Air is likely trapped in the system. Use a radiator key to bleed the unit until water begins to trickle out.

Radiator is cold at the bottom

This may indicate a buildup of sludge or debris. The system may require power flushing or a professional inspection.

Unit is leaking from the valves

Tighten the valve connection nuts gently. If the leak persists, the valve packing or the valve itself may need replacement.

Pros and Cons

Pros

  • Sleek and professional designer aesthetic
  • Sturdy construction prevents vibration and movement
  • Verified high-pressure tolerance for safety
  • Long-term 15-year warranty coverage
  • Compact profile perfect for space-saving

Cons

  • Single panel design limits maximum heat output
  • Less effective for large living areas compared to double panel units
  • Requires professional plumbing knowledge for installation

Setup, Compatibility & Care

Installation should be performed by a qualified heating engineer to ensure the system is correctly balanced and the pipework is secure. Because this radiator conforms to standard BS EN 442, it is compatible with most standard UK central heating systems. For maintenance, keep the exterior clean by wiping it down with a soft, damp cloth—avoid using abrasive chemicals or metal scouring pads, as these can damage the white finish. Ensure the radiator is bled annually to remove trapped air and maintain maximum heating efficiency.

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