Key Features

  • Double Panel Heat Output

    Two panels and a single convector work together to deliver efficient, reliable warmth

  • Gloss White Finish

    The clean glossy white surface brings a fresh, modern look to your bathroom or living space

  • Durable Mild Steel

    Built from high-quality mild steel for everyday strength and lasting performance

  • Space-Saving Depth

    At just 70mm deep, it fits neatly into a wide range of rooms without feeling bulky

  • Generous Size

    The 2200mm x 400mm format offers impressive coverage, ideal for larger wall spaces

  • 10-Year Guarantee

    Comes with a 10-year guarantee for added peace of mind

Description

Bring a smart, modern finish to your home with the Kartell K-RAD Kompact Type 21 radiator. Its sleek horizontal design and glossy white surface make it an easy fit for contemporary interiors, while the generous 2200mm width gives you the kind of presence that feels both practical and stylish.

Designed with a double panel and single convector, this radiator is built to deliver strong heat output and help keep your room feeling comfortable throughout the day. It’s a great choice if you want dependable warmth without compromising on a clean, streamlined look.

The compact 70mm depth makes it a versatile option for a wide range of spaces, while the wall-mounted design helps keep floor space clear. Made from durable mild steel, it’s a solid, long-lasting addition to your heating setup and a sensible choice for busy homes.

It has a heat output of 9918 BTU. Radiator valves aren't included, so choose a pair in a finish that suits your room. Pipe centres are 2150mm, which is useful to know when planning your pipework.

At 400mm high, this radiator works well where you need a lower profile without losing performance. With fittings supplied and a 10-year guarantee included, it offers a straightforward installation and the reassurance of long-term quality.

Specifications

width 2200mm
height 400mm
depth 70mm
fittings supplied Yes
heating item type Radiator
heat source Central Heating
item collection Kompact
item colour White
item finish Gloss
item depth 70mm
item guarantee 10 Years
item mounting method Brackets and Plumbing
item material Mild Steel
item mounting type Wall Mounted
item orientation Horizontal
item range K-Rad
item shape Square
item style Modern
item weight 40.1kg
number of columns 1
number of panels 2
packaged item height 75mm
packaged item width 430mm
packaged item weight 41.78kg
valves required Yes

Kartell K-RAD Kompact Type 21 White 400mm x 2200mm Double Panel with Single Convector Horizontal Radiator - P422K

£225.95
Dispatching from 21st Dec 2026
Buy now, pay later
BTU: British Thermal Units - the amount of heat this radiator gives out per hour. The higher the BTU, the larger the room it can heat.
9918
Pipe Centres: The approximate distance between the centres of the two pipe connections, to help you check it fits your existing pipework.
2150mm (approx)
Adding To Basket… The item has been added

* Pre-order - this item will ship when in stock