There are a lot of factors to consider when buying a radiator. The room it’s intended for, its suitability for your decor and the heat it needs

to provide are all important considerations.

To help, we’ve put together a guide to buying radiators online or in-person in six easy steps.

It is essential that you know how much heat you will need as this will ultimately determine the size of your radiators.

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To find out more about BTUs, view our BTU Calculator page for a quick guide. However, we recommend you check outputs with your installer before making a purchase. 

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To work out your required BTU please use our calculator linked below

Our range has everything from traditional cast iron and steel radiators to modern feature radiators. We even sell a popular range of environmentally-friendly aluminium radiators. 

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Each of our stylish radiators comes in an extensive choice of sizes, colours and outputs suitable for any room.

Outputs are shown in the product information section of each product page and will help you and your installer to find the best match for your requirements.

All outputs are shown at Delta ΔT 50°C in both British Thermal Units (BTUs) and Watts.

With 26 RAL colours and 8 special finishes to choose from, you truly have the freedom to create something unique to your home. Match your colour scheme or introduce an accent colour to create a striking feature. 

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To help choose your colour, all products show the available colours in their overview section.

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When choosing your colour or finish we highly recommend reviewing our colour page from where you can order a colour sample chip.

To complete the look, choose from our wide selection of Thermostatic (TRV) and Manual Radiator Valves and add accessories that complement your radiator.

We recommend using TRV valves in all living and bedrooms to maximise the efficiency of your radiators. Please remember to take into account the valves when working out the overall width of the radiator in relation to your required pipe centres.

It’s easy to buy your radiator online with Radiators Direct. Simply browse our range, choose the size you require and add it to your basket. 

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Once you’ve added everything you need, simply head to your shopping cart and checkout, where you can make your payment and add delivery details.

• All our radiators are produced and outputs measured in accordance with European standard EN442.
   

• Radiators are supplied with BOE connections as standard unless stated otherwise.
   

• Due to the excessively corrosive nature of chlorine, we do not recommend that radiators and towel rails be placed in swimming pool environments. In addition, radiators should not be located in areas that have long term exposure to high levels of moisture.
   

• When commissioning any radiator (including aluminium) on an indirect/closed system we recommend using a suitably mixed metal inhibitor in suitable quantities to protect against scale and corrosion, please be sure to consult your installer.

The majority of our towel rails can be converted to work as dual fuel models. An electric element and T-Piece is needed to adapt the towel rail; your installer will need to be aware if you wish to do this in order to adjust pipe centres accordingly. See our accessories range for all our elements and T-Pieces. If a towel rail is suitable for dual fuel it will be noted in the product overview section. 

We endeavour to ensure all pipe centres are correct, however, manufacturing tolerances must be considered; therefore we strongly recommend that pipework is not altered or adjusted until your new radiator or towel rail is delivered. Radiators Direct will not accept any responsibility for claims resulting from incorrect pipe centres.

Please note that many of our factories close for 2 - 4 weeks during the holiday period of July/August and December. This may extend the delivery period quoted depending on stock availability and demand. We will confirm the scheduled delivery date with you prior to dispatching your order. Unfortunately delivery to Scotland / Offshore Islands may take longer due to the distance involved. Deliveries will be made to the nearest hard-standing area. 

Deliveries to non-mainland UK addresses, Direct delivery (to the site or domestic addresses), or delivery requests outside our standard delivery times (e.g. Next Day) may have delivery charges added, such charges must be agreed upon prior to shipment and will be at the discretion of Radiators Direct taking into account the delivery address, the value of the order and requested delivery date.

All radiators and towel rails featured on this website are suitable for indirect/closed systems that comply with 'BS5449, section 1 forced circulation hot water systems'.

Systems running with low pressures (under 1 Bar) or microbore pipework may experience flow and heating issues if not accounted for in the system design which could result in radiators not heating fully or noisy pipework.

Direct heating systems use your hot water supply to heat a radiator; usually, this will occur in a bathroom. if you have any radiator or towel rails linked to a direct system they should be made from either stainless steel or brass to avoid rusting and contaminating the hot water supply.

It should be noted that due to the production process colours can vary by +/- 5-10% from samples provided and between radiators ordered in the same colour at different times. All painted cast iron radiators will be checked and tested prior to despatch.

Care must be taken when handling any radiators on-site to avoid damaging the product or finish. Cast iron radiators may be supplied with a small bottle of touch up paint in case of damage to the finish during installation, however, it should be noted that this may vary slightly from the standard powder coat finish. As a result of the casting process, cast iron radiators have a rough surface finish with small imperfections which will show after the painting process.