FREE Shipping for orders over £50

Purmo SLIEVE Type 21 Horizontal Designer Radiator

From £521.29 From £324.64 inc. VAT

TB Purmo radiator new

  • Contemporary Design
  • 10 year manufacturer guarantee
  • Also available in over 180 RAL colours
  • High Heat Output
  • Suitable for Central Heating Systems
  • Brackets, Plug & Vent Included
  • Manufactured in Britain
  • Radiator valves not supplied but can be purchased separately



Purmo SLIEVE Type 21 Horizontal Designer Radiator


For a high-end look with high heat outputs to match, the sleek and smooth Slieve designer radiator; is designed to complement a range of interiors with both horizontal and vertical models available to suit any space.

Built to Purmo’s exceptional standards of quality, the Slieve offers designer style without compromising on all-important radiator performance.


  • Available in five heights from 288 to 723mm
  • Available in ten lengths from 500mm to 2000mm
  • Available in five type options from single panel to double panel double convector (H10, H11, H20, H21 and H22)


  • Available in three heights 1600mm to 2000mm
  • Available in up to nine widths 288mm to 868mm
  • Available in single (V10) or double (V20) panel options

RAL Coloured Rads

Stocked items available usually 2-5 working days delivery for the most popular 9 colours:

Silver, Bronze, Champagne, Black Quartz, Copper, Anthracite, Matt Charcoal, Matt Iron Oxide, Gun Metal

An extra 180 RAL Coloured radiators are available on a 4 week lead time. Choose any RAL code.

Please contact us for further information.


Slieve Precision Installation Guide

Full Range SLIEVE Type 21 Double Panel


SKU Type H/V Product Weight (Kg.) Height mm Width mm ∆T50 Output Watts ∆T50 Output BTU
QHP2104 Type 21 Horizontal 31.18 578 800 1114 3801
QHP2105 Type 21 Horizontal 38.98 578 1000 1392 4750
QHP2106 Type 21 Horizontal 46.78 578 1200 1670 5698
QHP21725 Type 21 Horizontal 39.06 723 800 1324 4517
QHP21726 Type 21 Horizontal 48.82 723 1000 1655 5647

Standard outputs based on a mean water temperature of 70C (158F) and a room temperature of 20C (68F) – Delta T 50C

Barlo Foot

Additional information

Weight N/A
Dimensions N/A

White, Anthracite, Black Quartz, Bronze, Champagne, Copper, Gun Metal, Matt Charcoal, Matt Iron Oxide, Silver, Customized RAL


800mm, 1000mm, 1200mm


578mm, 723mm




RAL Colour Radiators, Designer Radiators

Panel Type

Type 21

Fuel Source

Central Heating






3801, 4517, 4750, 5647, 5698


There are no reviews yet.

Be the first to review “Purmo SLIEVE Type 21 Horizontal Designer Radiator”

Your email address will not be published.