Flat Panel Radiators

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Buying guide: Flat Panel Radiators

Flat panel radiators are steel panel radiators with a flat, smooth front face. They connect to a wet central heating system in the same way as other panel radiators and are made in horizontal and vertical formats, in a range of heights and lengths, as single or double panel types.

Panel types

  • Type 11 (K1): a single panel with one set of convector fins; the slimmest type.
  • Type 22 (K2): two panels with two sets of fins. It gives more heat than a single panel of the same height and length, but is deeper, so it stands further from the wall.

Heat output

Radiator outputs are tested to BS EN 442 so that products can be compared on the same basis. Figures are quoted in watts, or BTU per hour (1 watt is about 3.41 BTU per hour), at Delta T50: a mean water temperature 50°C above a room at 20°C, based on 75°C flow and 65°C return. Systems that run cooler, such as heat pumps, give less heat from the same radiator, so check the output at your system's actual Delta T.

Sizing and controls

Work out the heat loss of the room, then choose a radiator, or radiators, whose output at your system's operating temperature covers it and whose size fits the wall space. Check where the pipes will run and which valves you need. In England, when a boiler is installed or replaced, Approved Document L expects thermostatic radiator valves on each radiator except those in the room with the main room thermostat.

To control each room, see thermostatic radiator valves, or browse radiator accessories.

About Flat Panel Radiators

BHL lists flat panel radiators products within the Radiators & Accessories range of our Heating & Plumbing department. Brands with products here include Stelrad.

Brands

Brands with products in Flat Panel Radiators at BHL include those listed below, each linked to its own brand page.

Stelrad

Finding products in Flat Panel Radiators

Flat Panel Radiators has no sub-categories: all of its products are listed on this page.

Stelrad has products in flat panel radiators; its brand page, linked on this page, lists that maker's products at BHL.

Flat Panel Radiators sits within Radiators & Accessories alongside Radiator Accessories, Thermostatic Radiator Valves and other sub-categories.

Flat Panel Radiators FAQs

What does the Flat Panel Radiators range at BHL include?

Products from the brand linked on this page.

Which brands appear in flat panel radiators at BHL?

Brands with products here include Stelrad; the name links to the brand's own page.

How do I find a specific flat panel radiators product?

Narrow the list first: the brand pages linked on this page each hold one manufacturer's products.

Related categories

Back to Radiators & Accessories, or continue to Radiator Accessories and Thermostatic Radiator Valves.