Reina Slimline Compact Flat Panel Radiator 600mm High - Aluminium

BTU Output

It is the short form of a British thermal unit (BTU or Btu) and is defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. It is a standard unit against which radiator efficiency is measured.
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Air Vent

An air vent or a radiator air valve or bleed valve, is a small part of the radiator. Its role is to release trapped air or gases from inside the radiator, keeping the appliance heating efficiently and evenly. An Air vent can be an automatic air vent or manually opened to release air and are made of metal or plastic.

Accordance With EN 442

This European Standard defines procedures for determining the standard thermal outputs and other characteristics of radiators and convectors fed with water or steam systems at temperatures lower than 120 degrees celsius from a remote energy source.

Optional: Radiator Valve

Radiator valves help control how much hot water enters and leave it, and the flow of water controls how much heat the radiator generates. These are usually found at the radiator's bottom left, and right corners, where the water pipes enter and exit, or can also be present at the bottom near the centre.
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Optional Sleeving Kit

A sleeving kit in a radiator heating system are components or materials used to sleeve or insulate the pipes or tubes that circulate hot water or steam from the central heating source to the radiators or heating units. The sleeving kit provides thermal insulation and prevents heat loss, adding to the heating systems efficiency.