Type 21 – Double Panel Single Convector
Here at The Radiator Warehouse, we are very proud of our range of type 21 radiators. This range of efficient and practical radiators are perfect for making your space warm and cosy. Upgrade your heating game with our collection of versatile and effective central heating radiators.
Superior Heat Outputs & Energy Efficiency with Type 21 Radiators
Our selection of type 21 radiators offers excellent heat outputs due to their efficient design. We have multiple sizes, making them the perfect option for small and large rooms. Furthermore, they heat up very quickly and maintain your desired temperature. Heat up your room quicker and for longer, even in those colder months.
Explore our collection of type 21 radiators today and find your perfect heating solution. With a diverse range of sizes available, we are sure we’ll have something perfect for you.
If you'd like to learn more about type 21 radiators, take a look at our very own informative guide.
Before you decide on your perfect type 22 radiators, it’s very important to work out the optimal BTU output for your space. Working this out will allow you to choose a radiator that will bring the most efficient heat possible to you and your space. To work this out, we have created a free BTU calculator. Enter a few pieces of information regarding your space and then view the radiators with the most optimal BTU outputs.
Ask Our Radiator Experts for Advice
If you can’t find what you’re looking for on this page, we recommend checking out our full range of central heating radiators. However, if you’re looking for something different, we suggest visiting our full range of designer radiators.
If you’d like some advice from our radiator experts, please contact us today. Our award-winning team are always happy to speak to you.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 400 mm x 1200 mm - White400 mm x 1200 mm£107.00inc. VAT and Delivery- BTUs Output: 4223
- Watt Output: 1238
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 600 mm x 600 mm - White600 mm x 600 mm£82.00inc. VAT and Delivery- BTUs Output: 2897
- Watt Output: 849
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 600 mm x 1400 mm - White600 mm x 1400 mm£152.00inc. VAT and Delivery- BTUs Output: 6760
- Watt Output: 1981
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 600 mm x 1800 mm - White600 mm x 1800 mm£186.00inc. VAT and Delivery- BTUs Output: 8692
- Watt Output: 2547
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 600 mm x 1300 mm - White600 mm x 1300 mm£143.00inc. VAT and Delivery- BTUs Output: 6277
- Watt Output: 1840
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 750 mm x 400 mm - White750 mm x 400 mm£70.00inc. VAT and Delivery- BTUs Output: 2216
- Watt Output: 649
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 600 mm x 1000 mm - White600 mm x 1000 mm£117.00inc. VAT and Delivery- BTUs Output: 4829
- Watt Output: 1415
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 500 mm x 1600 mm - White500 mm x 1600 mm£151.00inc. VAT and Delivery- BTUs Output: 6727
- Watt Output: 1972
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 400 mm x 1800 mm - White400 mm x 1800 mm£144.00inc. VAT and Delivery- BTUs Output: 6334
- Watt Output: 1856
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 900 mm x 600 mm - White900 mm x 600 mm£133.00inc. VAT and Delivery- BTUs Output: 3851
- Watt Output: 1129
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 750 mm x 1000 mm - White750 mm x 1000 mm£130.00inc. VAT and Delivery- BTUs Output: 5541
- Watt Output: 1624
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 750 mm x 900 mm - White750 mm x 900 mm£120.00inc. VAT and Delivery- BTUs Output: 4987
- Watt Output: 1462
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 600 mm x 1500 mm - White600 mm x 1500 mm£160.00inc. VAT and Delivery- BTUs Output: 7243
- Watt Output: 2123
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 600 mm x 1200 mm - White600 mm x 1200 mm£135.00inc. VAT and Delivery- BTUs Output: 5795
- Watt Output: 1698
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 600 mm x 1100 mm - White600 mm x 1100 mm£126.00inc. VAT and Delivery- BTUs Output: 5312
- Watt Output: 1557
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 600 mm x 800 mm - White600 mm x 800 mm£99.00inc. VAT and Delivery- BTUs Output: 3863
- Watt Output: 1132
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 500 mm x 1800 mm - White500 mm x 1800 mm£166.00inc. VAT and Delivery- BTUs Output: 7568
- Watt Output: 2218
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 500 mm x 1400 mm - White500 mm x 1400 mm£136.00inc. VAT and Delivery- BTUs Output: 5885
- Watt Output: 1725
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 500 mm x 1100 mm - White500 mm x 1100 mm£114.00inc. VAT and Delivery- BTUs Output: 4625
- Watt Output: 1356
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 400 mm x 600 mm - White400 mm x 600 mm£68.00inc. VAT and Delivery- BTUs Output: 2111
- Watt Output: 619
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 900 mm x 900 mm - White900 mm x 900 mm£184.00inc. VAT and Delivery- BTUs Output: 5777
- Watt Output: 1693
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 900 mm x 800 mm - White900 mm x 800 mm£167.00inc. VAT and Delivery- BTUs Output: 5135
- Watt Output: 1505
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 900 mm x 700 mm - White900 mm x 700 mm£150.00inc. VAT and Delivery- BTUs Output: 4493
- Watt Output: 1317
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
- In stock
Compact Double Panel Single Convector | Type 21 | P+ - 900 mm x 500 mm - White900 mm x 500 mm£116.00inc. VAT and Delivery- BTUs Output: 3209
- Watt Output: 941
- Warranty: 10 Year
- Includes: Wall fixings and brackets, bleed valve and blanking plug.
