JSJS_TEST Designs Window Switch
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JSJS_TEST Designs Window Switch
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Home Delivery
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Click & Collect
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Product notices
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Product Details
Product Information
- For home central heating systems
Features and Benefits
- LED indicator
Technical Specifications
Brand | JSJS Designs |
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Model | SMRCMAG640 |
Primary power supply | Battery powered |
Battery type | AAA |
Number of batteries | 2 |
Fixings supplied | Fixings supplied |
Help & Advice
BTU Radiator Calculator
Our BTU (British Thermal Units) calculator will help you to work out the heat requirement for your room, and recommend the number of radiators you will need to comfortably heat it.
What is a BTU?
A British Thermal Unit (BTU) is a measure of heat output from a radiator. Depending on the size of your room, the number and type of windows and what the room is used for, you'll need more or less heat. If you have a higher BTU requirement, it might be better to use more than one radiator to deliver the heat you'll need to a room. The total BTU output of several smaller radiators may meet your needs.
How do I choose the right radiator?
The BTU value of all our radiators is clearly labelled in-store and online, helping you find those which suit your requirements.
Step 4: View your results
How to guides
How to connect pipes & fittings
Pipes and fittings vary by home and by length, shapes and connectors. Thankfully, this is no longer a problem and there are lots of different solutions to make your pipework secure and reduce the risk of leaks.
Buying guides
Plumbing tools buying guide
Plumbing comes with a whole catalogue of specialist tools. If you're going to do the job, make sure you get the right ones.
Reviews
Product reassurances
Choose a convenient delivery date on 1000s of products
45 day returns policy
Arrange collection or return to store.Customer support team - 0333 014 3357
Free delivery on standard orders over £50
Excludes Large and Bulk delivery