Carisa Rex Flat Mild Steel Radiator (3 sizes, 2 colours)

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Mainland UK:
Order Value: Less than £99.99 = Delivery is £8.99
Between £100-£499.99 = Delivery is £16.99
Orders over £500 = FREE DELIVERY

Northern Ireland:
Prices may vary for Northern Ireland. Please ensure you choose the correct shipping method at Checkout. Please note, not all suppliers will deliver direct to Northern Ireland and we may need to apply additional courier charges to get you your product. Please contact us if you are not sure

Please note that some products, including Glass, can not be delivered to Northern Ireland. It is always worth checking prior to purchasing and we can advise.

The Highlands and Northern Scotland:
Some suppliers will charge additional delivery charges for some postcode regions. We will contact you if this is the case prior to confirming your order.

Returns Policy:
To view our Returns Policy, please visit THIS PAGE 

Whilst every effort is made to only advertise products that are in stock, occasionally it may be that some items are unavailable. On receipt of your order, we will check the Carisa stock system to ensure stock levels are sufficient to proceed. You can also contact us in advance if you would like us to check before you place the order, as we have access to a live Carisa stock system at Brand New Bathrooms.

On confirmation that the items are in stock, your payment will be captured, and delivery will be made within 2-3 working days.

Custom painted Radiators, or bespoke designs, may take up to 4-6 weeks, but we will advise you prior to capturing your payment.

If an item is out of stock we will confirm an estimated re-stocking date with you prior to capturing payment and in some cases where possible, we will offer alternative replacements that are in stock.

Deliveries may take an extra couple of days if going to Northern Ireland or Northern Scotland.

Most radiators are supplied without valves, so it is important that you have the correct one on hand. If your radiator is supplied with valves then it will say in the product description, but if it doesn't mention it, then you will need to purchase these separately. 

Use the following guide to help you pick the right one....

If the Pipe work is coming out of the floor and the radiator has side connections, then you will need a set of Angled valves.

If the Pipe work is coming out of the floor and the radiator has underneath connections, then you will need a set of Straight valves.

If the Pipe work is coming out of the wall and the radiator has side connections, then you will need a set of Corner valves.

If the Pipe work is coming out of the wall and the radiator has underneath connections, then you will need a set of Corner valves.

Stay Toasty in Style: The Ultimate Guide to Designer Radiators

What is BTU?

BTU stands for British Thermal Unit. It is a traditional unit of heat, defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. In heating and cooling contexts, BTUs measure the energy output of heating appliances like radiators, boilers, and air conditioners. The higher the BTU rating of a device, the greater its heating or cooling capacity, making BTU an essential metric for selecting appropriately sized equipment to ensure efficient energy use and optimal comfort in residential and commercial spaces.

Understanding the Delta T

Delta T (ΔT as it usually referred too), or is a measurement for the heat output of a radiator. The standard measurement in the UK for Delta in domestic gas boiler systems is Delta 50.

However, at Brand New Bathrooms, we supply Radiators and Towel Rails from a variety of different suppliers, and sometimes they give us the Delta information in different temperatures. So this means you will see some BTU's listed in Delta 50, Delta 60 and Delta 70 across our site.

To help you convert these numbers to your required Delta, there are conversion tables that you can use. 

If the figures are listed as Delta 50, but you want to convert them to another measurement, then you would take the number from the Correction Factor table and multiply the original BTU.

So for example, If you have a heat output of 5000 BTU at ΔT 50°, then to calculate the BTU at ΔT60°, you would use the correction factor on the table below, which is 1.27 and multiply the 5000, which gives you a BTU at ΔT60° of 6350.

Delta T 50 (ΔT50°) Correction Factors

Delta T 60 (ΔT60°) Correction Factors

If you have any other conversion questions, then please do not hesitate to contact us via our CONTACT PAGE