DQ Ardent 4 Column Horizontal Radiator - Ultra Matt Black

The DQ Ardent 4 Column Horizontal Radiator - Ultra Matt Black takes the traditional column form and finishes it properly - even sections, clean welds and a coating built to survive family life.

Sizes and heat output

Choose your size from the dropdown. Outputs are quoted at ΔT50; room coverage assumes average insulation, so if you are between sizes go up rather than down. Ask us if you would like a hand sizing it.

Size (H x W)	Heat output	Watts	Suits a room of about	Product code
300 x 990mm	2,856 BTU	804 W	21m²	AM4.300/21-UMB
300 x 1220mm	3,536 BTU	1,040 W	26m²	AM4.300/26-UMB
300 x 1404mm	4,080 BTU	1,200 W	30m²	AM4.300/30-UMB
400 x 990mm	3,717 BTU	1,092 W	28m²	AM4.400/21-UMB
400 x 1220mm	4,602 BTU	1,352 W	34m²	AM4.400/26-UMB
400 x 1404mm	5,310 BTU	1,560 W	39m²	AM4.400/30-UMB
500 x 622mm	2,883 BTU	845 W	21m²	AM4.500/13-UMB
500 x 806mm	3,770 BTU	1,105 W	28m²	AM4.500/17-UMB
500 x 990mm	4,657 BTU	1,365 W	34m²	AM4.500/21-UMB
500 x 1220mm	5,766 BTU	1,690 W	43m²	AM4.500/26-UMB
500 x 1404mm	6,653 BTU	1,950 W	49m²	AM4.500/30-UMB
500 x 1634mm	7,762 BTU	2,275 W	57m²	AM4.500/35-UMB
500 x 1864mm	8,871 BTU	2,600 W	66m²	AM4.500/40-UMB
600 x 622mm	3,415 BTU	1,001 W	25m²	AM4.600/13-UMB
600 x 806mm	4,466 BTU	1,309 W	33m²	AM4.600/17-UMB
600 x 990mm	5,517 BTU	1,617 W	41m²	AM4.600/21-UMB
600 x 1220mm	6,831 BTU	2,002 W	51m²	AM4.600/26-UMB
600 x 1404mm	7,882 BTU	2,310 W	58m²	AM4.600/30-UMB
750 x 622mm	4,214 BTU	1,235 W	31m²	AM4.750/13-UMB
750 x 806mm	5,510 BTU	1,615 W	41m²	AM4.750/17-UMB
750 x 990mm	6,807 BTU	1,995 W	50m²	AM4.750/21-UMB

Specification

Range: Ardent
Finish: Ultra Matt Black
Material: Mild Steel
Columns: 4
Connections: 1/2" CONNS
Fixings: Wall brackets included
Available in 21 sizes

Finishes and colours

DQ powder coat in-house at their own Norfolk facility, so this model is also available across an extensive RAL colour range and DQ's speciality finishes. If you cannot see the colour you want, get in touch and we will price it for you.

Availability

A stocked finish, usually despatched within about 7 working days, with free UK delivery on orders over £100.

Guarantee

Covered by an 8-year DQ manufacturer guarantee. DQ have been building heating products in Britain for over 25 years and are family owned and run.

Why buy from British Bathroom Company?

Free UK delivery on orders over £100
Genuine DQ Heating product, supplied direct from a UK manufacturer
Real bathroom and heating specialists on the end of the phone
Family-run business, same as DQ

Order online today, or contact us for advice, a bespoke finish or a trade quote.

DELIVERY

We aim to deliver all orders within 3-7 working days, dependant on the size of your order or item(s)

Express delivery is available on some items, feel free to contact ourselves to check if your desired product is available for express delivery

Small parcels will be delivered via DX and tracking is provided once dispatched

Large items are delivered via Stop Start or Palletways, details of delivery are provided via email and tracking is also available. Please note most large deliveries are KERB SIDE ONLY although some companies will aim to get the goods as close to the door as possible.

Returns are accepted within 28 days of receipt of your goods, however, you must request your return within the first 14 days. You can activate a return request in your account, for more details please visit the "Delivery & Returns" page

Christmas Period Any orders placed from 15th December 2025 maybe delayed until the week commencing 5th January 2026. If you need your order sooner, please contact us before purchase to see when your delivery can take place.

Be the first to review DQ Ardent 4 Column Horizontal Radiator - Ultra Matt Black. Write a review

DQ Heating DQ Ardent 4 Column Horizontal Radiator - Ultra Matt Black