How do I choose the right size and heat output for my room?

Match the radiator's BTU output band to your room's heat loss and the physical space you have. Our range shows outputs from under 1,000 BTU right up to 10,000-25,000 BTU and sizes from compact widths (400-600mm) to large panels (over 2,000mm wide and up to 2,200mm high). a small bathroom will often be met by radiators in the 1,000-2,000 BTU band and a compact 300-600mm height, while a large living room might need something in the 4,000-8,000 BTU band with a wider or taller double-panel model. If you're unsure, look for the BTU band that most closely matches your room calculation and then pick a width/height that fits the wall space.

What's the difference between Compact, Planar, Elite and LST ranges, and which is best for my room?

Compact radiators are efficient, practical panels that suit most rooms; Planar is a sleeker, contemporary range for a modern look; Elite gives a simple, budget-friendly option; and LST (low surface temperature) is designed for safety in healthcare, schools or where you need a cool-to-touch surface. If you want a slim, modern focal point choose Planar (also available in vertical styles), while for a family bathroom or a care setting LST gives peace of mind thanks to its safety focus. Compact or Elite are sensible choices if you want high heat output at a lower cost.

What do Type 11, Type 21 and Type 22 mean, and how do they affect performance?

Those Type numbers describe panel and convector layers: Type 11 is one panel, one convector (slimmer and lower output), Type 21 is two panels, one convector (more heat with modest depth), and Type 22 is two panels, two convectors (higher output and greater depth). So for a tight alcove under a window you might pick a Type 11 to save space, whereas a living room or open plan area often benefits from a Type 22 to deliver more heat without needing excessive width. Triple-panel types are also available when you need very high output from a compact footprint.

Will Stelrad radiators work with my heat pump or other low-temperature systems?

Yes, many Stelrad models are designed to work seamlessly with traditional boilers and modern low-temperature systems such as heat pumps. To compensate for the lower water temperature you'll usually select a larger surface area or a higher output model (a double panel double convector or a taller vertical unit) to achieve the same room temperature. A vertical Planar or a taller Compact K2 is a practical choice if you're switching to a heat pump and want both style and higher output.

Can I get vertical radiators or different finishes to suit my decor?

You can, the range includes both horizontal and vertical orientations, with vertical options available in taller sizes (1,600-2,200mm heights and slim widths such as 400mm), making them ideal for narrow wall spaces or as a design statement. Finishes range from clean, contemporary panels to more traditional profiles like the Deco and Elite styles, so you can pick a minimalist Planar for a modern kitchen or a Compact/Deco unit to match a classic bathroom. a 1,800 x 400mm Planar vertical gives a dramatic, space-saving focal point in a hallway.

Page 10 of 17 Stelrad Radiators

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Stelrad Concord Plane K1 Type 11 740 x 1400mm Single Panel Radiator Single Convector - 148388

Stelrad Concord Plane K1 Type 11 740 x 500mm Single Panel Radiator Single Convector - 148380

Stelrad Concord Plane K1 Type 11 740 x 600mm Single Panel Radiator Single Convector - 148381

Stelrad Concord Plane K1 Type 11 740 x 800mm Single Panel Radiator Single Convector - 148383

Stelrad Concord Plane K2 Type 22 444 x 1000mm Double Panel Radiator Double Convector - 148402

Stelrad Concord Plane K2 Type 22 444 x 1100mm Double Panel Radiator Double Convector - 148403

Stelrad Concord Plane K2 Type 22 444 x 1400mm Double Panel Radiator Double Convector - 148405

Stelrad Concord Plane K2 Type 22 444 x 1200mm Double Panel Radiator Double Convector - 148404

Stelrad Concord Plane K2 Type 22 444 x 1600mm Double Panel Radiator Double Convector - 148406

Stelrad Concord Plane K2 Type 22 444 x 700mm Double Panel Radiator Double Convector - 148399

Stelrad Concord Plane K2 Type 22 444 x 800mm Double Panel Radiator Double Convector - 148400

Stelrad Concord Plane K2 Type 22 592 x 1000mm Double Panel Radiator Double Convector - 148419

Stelrad Concord Plane K2 Type 22 592 x 1100mm Double Panel Radiator Double Convector - 148420

Stelrad Concord Plane K2 Type 22 592 x 1200mm Double Panel Radiator Double Convector - 148421

Stelrad Concord Plane K2 Type 22 592 x 1400mm Double Panel Radiator Double Convector - 148422

Stelrad Concord Plane K2 Type 22 592 x 1600mm Double Panel Radiator Double Convector - 148423

Stelrad Concord Plane K2 Type 22 592 x 600mm Double Panel Radiator Double Convector - 148415

Stelrad Concord Plane K2 Type 22 592 x 800mm Double Panel Radiator Double Convector - 148417

Stelrad Concord Plane K2 Type 22 592 x 900mm Double Panel Radiator Double Convector - 148418

Stelrad Concord Plane K2 Type 22 740 x 1000mm Double Panel Radiator Double Convector - 148436

Stelrad Concord Plane K2 Type 22 740 x 600mm Double Panel Radiator Double Convector - 148432

Stelrad LST Standard K1 Type 11 500 x 1160mm Single Panel Radiator Single Convector - 145003

Stelrad LST Standard K1 Type 11 500 x 1360mm Single Panel Radiator Single Convector - 145004

Stelrad LST Standard K1 Type 11 500 x 1560mm Single Panel Radiator Single Convector - 145005

Stelrad LST Standard K1 Type 11 500 x 1760mm Single Panel Radiator Single Convector - 145006

Stelrad LST Standard K1 Type 11 500 x 560mm Single Panel Radiator Single Convector - 145000

Stelrad LST Standard K1 Type 11 500 x 760mm Single Panel Radiator Single Convector - 145001

Stelrad LST Standard K1 Type 11 500 x 960mm Single Panel Radiator Single Convector - 145002

Stelrad LST Standard K1 Type 11 650 x 1160mm Single Panel Radiator Single Convector - 145027

Stelrad LST Standard K1 Type 11 650 x 1360mm Single Panel Radiator Single Convector - 145028

Stelrad LST Standard K1 Type 11 650 x 1560mm Single Panel Radiator Single Convector - 145029

Stelrad LST Standard K1 Type 11 650 x 560mm Single Panel Radiator Single Convector - 145024

Stelrad LST Standard K1 Type 11 650 x 760mm Single Panel Radiator Single Convector - 145025

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