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Stelrad Compact K1 Radiator 255 W / 870 BTU (White) 300 x 500mm - 143650

Stelrad Compact K1 Radiator 255 W / 870 BTU (White) 300 x 500mm - 143650

SKU: 143650 Part Number: 143650
Regular price £17.26 Ex. VAT
Sale price £17.26Ex. VAT
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Product Description

143650 | Stelrad Compact K1 300 x 500mm Radiator 255 W / 870 BTU (White) 

A sleek, compact panel radiator with a single steel panel and one convector fin, ideal for rooms with limited wall space. It delivers high heat performance (255 W) while maintaining a slim and modern design. Finished in RAL 9016 Traffic White powder coating, it is robust, efficient, and EN 442 certified.

  • Single panel with one steel convector welded directly to the waterways for faster heat response and enhanced efficiency
  • 255 W / 870 BTU/h at ΔT 50 °C
  • Slimline depth of 61–63 mm; projects just 83 mm from the wall—ideal for tight
  • Smooth, chip-resistant Traffic White (RAL 9016) powder-coated surface
  • Manufactured to BS EN 442 standards with a max working pressure of 10 bar (145 psi)
  • Includes wall brackets, plastic grommets, blind plug, air vent plug, screws, and plastic wall anchors

Technical Specification

depth 63 mm
height 300 mm
model Compact K1
pack size 1
range Compact K1
supplier part number 143650
width 500 mm
boiler system Central Heating – Open Vented or Sealed System
color pattern White
material Steel
mounting type Wall-Mounted
power source Hot water
suitable space Indoors