Our Product FAQ section deals with questions about our products, installation types, rules and regulations, guidance and facts. If you still have not found an answer to your query, please contact us either by online chat, phone or e-mail so that a member of our team can offer assistance.
BTU, short for British Thermal Unit, is a basic measure of thermal (heat) energy. In the case of towel radiators, BTU, alongside with Watts, is used to measure and determine heating needs of internal spaces, such as rooms, bathrooms and kitchens. Technically speaking, one BTU is the amount of energy needed to heat one pound of water one degree Fahrenheit, measured at its heaviest point. In other words, if you placed 16 ounces of water at 59°F into a stovetop pan and turned on the gas burner, it would take one BTU to raise the temperature of the water to 60°F. As more BTUs continue to flow from the gas flame, the water will eventually reach the boiling point of 212°F.
Conversion calculations: One BTU is approximately: 1054 - 1060 joules, 252 - 253 cal (calories, small), 0.252 - 0.253 kcal (kilo-calories), 778-782 ft · lbf (foot-pounds-force).
The BTU per hour (BTU/h) is the unit of power most commonly associated with the BTU. 1 watt is approximately 3.412 BTU/h, and 1000 BTU/h is approximately 293 W.
Towel radiators can be used;
a- As connected to the central heating system only,
b- As electric-only, with an electric element and without any connection to a central heating system, or
c- As dual-fuel, both with an electric element and connection to the central heating system simultaneously.
Except for some designer towel radiators, which may have their connection points on the side of the radiator, the great majority of both standard and designer type towel radiators have their connection points at the bottom end of the two vertical bars, facing the floor.
Therefore;
When pipes are coming up the floor, a pair of straight radiator valves, and when pipes are coming out of the wall a pair of either angled or corner valves are required. To find out more about the valves, please see Q12.
We strongly recommend that you use the services of qualified and certified professionals to do the installation work.
While the exact method of installation may vary from product to product, we can briefly explain how, in general, heated towel rails are installed. Firstly, piping must be put in place in accordance with the distance between pipe centres of the radiator, taking into account the type of connection chosen (central heating only or dual fuel). Secondly, relevant types of valves and electric elements, if any, are used to complete the water connection. Finally, once brackets supplied with radiators are used to fix them onto walls and air vent/blanking plug is placed into its designated location, the installation job may be deemed complete, except for testing for leaks or flimsy fixings.
If the product code of the towel radiator / heated towel rail you would like to purchase begins with "EL, ELT or ELS", it is either pre-filled or a dry unit. Those are by design for electric only use. Therefore, you do not need anything else except for a spur socket on the wall.
However, if you want to purchase any other towel radiator, which by design connects to central heating, and convert it into electric-only use, you will need the following parts:
- Towel Radiator of your choice
- A matching electric element
- A blanking plug
Electric element is inserted into the bottom end of one of the two vertical bars, and the other bottom entry is sealed with a blanking plug. More information can be found on our Electric Only Use Towel Rails page.
Please note that we STRONGLY recommend you use the services of a qualified electrician to install your electric element/ electric towel rails.
Using electrical equipments in bathrooms may pose various safety risks, therefore the IEE Wiring Regulations are in place to minimise these risks by dividing bathrooms into zones and determining which electrical equipments can be used in which bathroom zones. While all certified electricians are expected to know these zones, the following list and illustrations can be used as guidance only for non-professionals. Please note that we recommend that all customers use the services of a certified electrician to install their electric towel radiator & electric heated towel rails.
Zone 0 The interior of a bath tub or shower cubicle which can hold water and is likely to be affected by splashes.
Zone 1The area directly above Zone 0, which is vertically limited to 2250mm up from the bottom of the bath tub.
Zone 2 The area beyond Zones 0 and 1, which stretches 600mm horizontally and up to 2250mm vertically. Zone 2 also includes any windows with a sill next to the bath.
Zone 3 The area beyond Zone 2 which extends 2400mm horizontally and up to 2250mm vertically.
Heat output of a radiator is all about its size and actual surface space as well as the temperature of the water inside. Say you have two same sized bathroom towel radiators from two different suppliers. They are both 500mm wide and 1200mm high but somehow they have different BTU figures! In this case the first thing you will need to check would be the Detla T figure used for calculation to ensure if they are both using the same. While Delta 50 (Δ T50) is now the UK standard, some sellers do advertise their radiators at Delta 60 (Δ T60). As an example; if a bathroom towel radiator is tested, approved and declared as 1,000BTU using Delta 50, it can be advertised and sold as giving out 1,000BTU. But it can also be advertised as 1264BTU based on Delta 60. This gives an illusion of getting more heat to a novice buyer. You can find more information on Delta T and differences between DeltaT50 and DeltaT60 on our blog post.
Secondly, even though they are both same size in overall width and height, they may not necessarily have the same surface space. While one has 15 number of horizontal bars with larger and bigger main gaps, other one could have a total of 24 horizontal bars with smaller main gaps. Naturally the bathroom radiator with more bars will have more surface space and as a result, it will give more heat compared the other one with less bars. Diameter of these bars, thickness of the steel used, amount of plating or paint, quality of the raw material used are all other factors which may contribute to higher or lower heat outputs of a radiator. Like most things, heavier the radiator means more bars, more surface space and more heat.
The cost of delivering a towel radiator can vary depending on several factors. Firstly, weight and size of the radiator itself will play a significant role in determining the delivery charges. If your chosen towel rail is 1200mm or more on the longest side, a large item surcharge will apply regardless of your order total or delivery location. We can group heated towel rails by size to 3 groups below;
We offer Free Delivery on orders over £150 to most locations in the UK but some areas such as Highlands, Islands and other remote locations are excluded as well as those large items mentioned above.
Tip: If your towel rail is £140, why not add a pair of valves to qualify for Free Delivery?
Another factor that can influence the cost of bathroom towel radiator delivery is the delivery address. There are surcharges to Scottish Islands & Highlands, Northern Ireland, Channel Islands, Isle of Man, Isle of Wight etc. Once you added all products to your basket, you can use our “Estimate Delivery” link to work out total delivery fee which will take your location and product weights & sizes into consideration. Alternatively, you can visit our Delivery & Returns page for more information on cost and delivery services we offer.
Furthermore, the delivery service chosen can impact the price. We offer different delivery options such as standard delivery, express delivery, or even next-day delivery. Each of these options may come with varying costs, with faster delivery methods generally being more expensive. It is important to consider the urgency of the delivery and weigh it against the additional cost to determine the most suitable delivery method for your heated towel rails & parts.
This will depend on the model you select but most ladder type towel rails have plastic and most designer models have metal brackets. In both cases brackets will match the radiator finish for a complete and nicer look. With standard ladder towel rails, brackets are affixed between any of the two horizontal bars. This makes it easier to install as there is great deal of flexibility on its location. For a stronger support to hang towel rails on the wall, they are usually placed between the 2nd and 3rd bars from the top, as well as the bottom. Unlike some other suppliers, all our towel rails come with a set of 4 brackets instead of 3. It is best to install these brackets as close as possible to the side vertical tubes so that you can have larger space in the middle to hang your towels.
Designer models on the other hand almost always have metal brackets. These are located at a set point on all 4 corners and welded at the back of the vertical tubes. As the bracket locations are set and cannot be moved or changed, installing designer towel radiator brackets is trickier compared to standard towel rails. With these fixed point brackets, installers must take precise measurements before drilling holes for the raw plugs. As always, measure twice (even three times) but drill once to avoid misaligned radiators on the wall.