Ultraheat Compact is a range of white steel panel radiators for homes and workplaces. The Compact 4 range comes in four panel and convector configurations with a wide choice of sizes. This guide explains what each type offers and what to check so the radiator you order suits the room and the pipework.

What is the Ultraheat Compact Range?

The Ultraheat Compact range is a set of conventional steel panel radiators made for hot water central heating. Ultraheat literature describes Compact 4 as suitable for homes and working environments with a wide choice of sizes and shapes. Steel panel radiators of this kind are a familiar sight in UK homes and workplaces.

Compact 4 radiators are finished in white RAL 9016 and the literature lists a 10 year warranty. Warranty terms apply so check them for your order.

Ultraheat Compact 4 Configurations

Compact 4 comes in four types and the letters describe the number of panels and convectors. In the wider trade these are usually called Type 11, Type 21, Type 22 and Type 33.

SF: single panel single convector

SF is the shallowest type. Single panel radiators suit walls where projection matters and rooms where heat demand is modest.

HF: double panel single convector

HF has two panels and one convector. The literature gives a radiator depth of 67 mm which sits between SF and DF.

DF: double panel double convector

DF has two panels and two convectors. It is deeper again at around 100 mm and is the type listed as Type 22 on this website. Double panel radiators give more output than single panel radiators of the same height and length which helps where wall space is short.

TS: triple panel triple convector

TS has three panels and three convectors. It has six connections where the other types have four and the literature gives a depth of around 160 mm. That makes it the deepest type so check the projection carefully.

Ultraheat Compact Sizes and Formats

The literature lists heights of 200, 300, 400, 500, 600, 700 and 900 mm. Lengths run from 200 mm up to 3000 mm in set steps. Not every size is offered in every type so check the listing. The range is mainly horizontal panels that are wider than they are tall.

Example listings on this website include Type 22 DF radiators at 600 by 1400 mm and 400 by 2400 mm.

Heat Output and BTU Requirements

More panels and convectors generally mean more output for the same height and length but also more depth. Each model has its own BTU and watt figure so check the listing rather than judging by type alone. Ultraheat publishes outputs at ΔT50 and some suppliers quote ΔT60 figures that look higher for the same radiator.

Use a BTU calculator or ask a heating engineer to confirm what each room needs. Room size, insulation, glazing and how the room is used all affect the answer.

Installation, Valves and Wall Space

Measure the wall space first and allow for the depth of the chosen type plus brackets and valves. Pipe centres matter because the connections need to line up with existing pipework or the pipes must be altered. Radiator valves are listed separately in the Valves and Accessories section.

Ultraheat recommends that pipework is not installed until the radiator has arrived. Confirm fixings and any other requirements with your installer.

Domestic and Workplace Use

Compact panel radiators suit living rooms, bedrooms, kitchens and hallways in homes. They are also used in offices and other workplaces provided the output is sized to the space. Commercial installations can have extra requirements so ask a heating engineer before ordering.

Where appearance matters as much as output, Ultraheat Designer Radiators covers flat panel and vertical styles in the wider Ultraheat radiators range.

Frequently Asked Questions About Ultraheat Compact

What is the Ultraheat Compact range?

Ultraheat Compact is a range of white steel panel radiators for central heating in homes and workplaces. Compact 4 comes in single panel and double panel types as well as a triple panel type. Sizes and outputs differ by model so check the individual specification before ordering.

What do SF, HF, DF and TS mean on Ultraheat Compact radiators?

They describe the panel and convector layout. SF is single panel single convector. HF is double panel single convector. DF is double panel double convector. TS is triple panel triple convector. The trade often calls these Type 11, Type 21, Type 22 and Type 33.

What sizes are Ultraheat Compact radiators available in?

The literature lists heights from 200 mm to 900 mm and lengths from 200 mm to 3000 mm in set steps. Not every combination is offered in every type. Check the listing for the exact height, length and depth before you order.

When should I choose a single panel radiator instead of a double panel radiator?

Choose single panel where projection from the wall matters and the room needs modest output. Choose double panel where wall length is limited and more output is needed from the same height and length. Compare the listed BTU or watt figures to confirm.

Which Ultraheat Compact type gives more heat for its size?

More panels and convectors generally mean more output for the same height and length. A triple panel model will usually exceed a double panel model which will usually exceed a single panel model. Figures differ by size so check each listing and the temperature basis used.

Are Ultraheat Compact radiators suitable for commercial use?

Ultraheat describes Compact 4 as suitable for homes and working environments. Offices and other workplaces can use them provided the output is sized to the space. Commercial installations may have extra requirements so ask an installer or heating engineer before you order.