LST Radiators

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Buying guide: LST Radiators

Low surface temperature (LST) radiators are radiators enclosed in a steel casing, so the surface you can touch stays at or below 43°C even when the heating runs at full design output. They are used where vulnerable people could touch or lean against a hot radiator, such as care homes, hospitals, sheltered housing, schools, nurseries and children's rooms.

How they are built

Inside the casing sits a steel panel radiator, called the emitter. Air passes through grilles in the casing, and the casing also hides the pipework and valves. Casings are usually held by security screws, so they can be lifted off for cleaning, maintenance and decorating but are hard to tamper with. Emitters are made and tested to BS EN 442.

Sizes and heat output

  • Casing size: ranges are listed by casing height and length. Deeper models hold a larger emitter and give more heat from the same wall space.
  • Heat output: quoted in watts and Btu/h, usually at a mean water to air temperature difference (delta T) of 50°C. At lower system temperatures the output drops considerably, so check the figure at the delta T your system will run at.
  • Fitting space: allow a small gap above the finished floor so the casing can be removed later.

Valves and controls

Because the valves sit inside the casing, thermostatic control needs a kit made for LST radiators: a valve head mounted through the casing on a capillary, a remote sensor, or a wall-mounted remote adjuster. Each kit suits particular connection positions, so check the pipe layout first.

For standard radiators, see panel radiators, or browse the wider range of radiators and accessories.

About LST Radiators

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

Brands

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

Stelrad

Finding products in LST Radiators

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

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

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

LST Radiators FAQs

What does the LST Radiators range at BHL include?

Products from the brand linked on this page.

Which brands appear in LST radiators at BHL?

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

How do I find a specific LST radiators product?

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

Related categories

LST Radiators is part of the Heating & Plumbing department at BHL, whose sub-categories also include Underfloor Heating, Pipe Systems & Fittings, Plumbing Parts & Spares, Boilers & Accessories, Radiators & Accessories, Commercial Plumbing, Fires, Stoves & Accessories, Pumps, Renewable Energy and Heating Controls.

The other sub-categories of Radiators & Accessories: Radiator Accessories, Thermostatic Radiator Valves, Manual Radiator Valves, Panel Radiators, Column Radiators, Electric Radiators, Towel Radiators and Flat Panel Radiators.

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