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System Boilers

System Boilers

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Get a competitive quote on a brand new system boiler from PlumbProud

A system boiler uses an unvented hot water storage cylinder (sometimes called a hot water tank) to draw water directly from the mains.

The water it draws is then heated via an in-built heat exchanger. The resulting hot water can then sent off to power the central heating in your home and to deliver piping hot water to multiple taps simultaneously.

Is a system boiler right for my home?

Combi boilers require the least amount of space in your home whereas heat only boilers require the most.

Like with a heat only boiler, you need to find room for a hot water cylinder (most people have theirs in an airing cupboard) but, with a system boiler, you also need to find room for a feed and expansion tank (sometimes called a cold water feed tank). Your cold water tank must be above every other part of your central heating system meaning that most people puts theirs in their loft space.

If you plan on doing a loft conversion anytime soon, a system boiler would be much better for you than a heat only boiler because there’ll be no cold water tank taking up any room.

A system boiler is easier to install than a regular boiler and they’re also very economical to run, especially gas system boilers. The hot water cylinder on your system boiler can also be adapted so that it can be powered by solar panels too.

Please bear in mind though that with a system boiler does not always provide a constant supply of instant hot water. If your system boiler’s hot water cylinder runs out of water, the cylinder will have to fill up with water again and you’ll have to wait for it to heat up.

Get a free quote on a new system boiler for your home

System boilers provide you and your family with all the heating and hot water you need saving you money on fuel bills and lowering your carbon footprint.

For help in choosing the right system boiler for your home, please contact us and we’ll send around an experienced heating surveyor. Ask them any questions you have and they’ll be happy to share their experience and insights with you. They’ll leave you with a fixed price quote and a series of potential installation dates. When you make your decision, we hope it’s PlumbProud you choose for the work.”

To find out more about our range of system boilers and to speak with a PlumbProud engineer, please call us on 01604 343053 or enter your postcode into one of the response forms on this page and click “SEND”.

Top 10 boilers

1. Vaillant ecoTEC Plus 612

Our score rating: 95.72%

Efficiency rating
92%
Band rating
A
Output in kW
12 kW
Height
720 mm
Width
440 mm
Depth
372 mm
Mounting
Wall
Fuel
Gas
ERP Rating
A

Supply and installation around £2,000

2. Vaillant ecoTEC Plus 615

Our score rating: 95.20%

Efficiency rating
93%
Band rating
A
Output in kW
15 kW
Height
720 mm
Width
440 mm
Depth
338 mm
Mounting
Wall
Fuel
Gas
ERP Rating
A

Supply and installation around £2,000

3. Vaillant ecoTEC Plus 618

Our score rating: 94.37%

Efficiency rating
94%
Band rating
A
Output in kW
18 kW
Height
720 mm
Width
440 mm
Depth
372 mm
Mounting
Wall
Fuel
Gas
ERP Rating
A

Supply and installation around £2,100

4. Vaillant ecoTEC Plus 624

Our score rating: 93.33%

Efficiency rating
94%
Band rating
A
Output in kW
24 kW
Height
720 mm
Width
440 mm
Depth
372 mm
Mounting
Wall
Fuel
Gas
ERP Rating
A

Supply and installation around £2,300

5. Worcester Bosch Greenstar i System 9i

Our score rating: 92.89%

Efficiency rating
93%
Band rating
A
Output in kW
9 kW
Height
710 mm
Width
400 mm
Depth
330 mm
Mounting
Wall
Fuel
Gas
ERP Rating
A

Supply and installation around £2,000

6. Vaillant ecoTEC Plus 630

Our score rating: 92.75%

Efficiency rating
94%
Band rating
A
Output in kW
30 kW
Height
720 mm
Width
440 mm
Depth
372 mm
Mounting
Wall
Fuel
Gas
ERP Rating
A

Supply and installation around £2,400

7. Worcester Bosch Greenstar 4000 12kW

Our score rating: 92.50%

Efficiency rating
94%
Band rating
A
Output in kW
12 kW
Height
724 mm
Width
400 mm
Depth
310 mm
Mounting
Wall
Fuel
Gas
ERP Rating
A

Supply and installation around £2,000

8. Vaillant ecoTEC Exclusive IQ 627

Our score rating: 92.42%

Efficiency rating
94%
Band rating
A
Output in kW
27 kW
Height
720 mm
Width
440 mm
Depth
338 mm
Mounting
Wall
Fuel
Gas
ERP Rating
A

Supply and installation around £2,400

9. Vaillant ecoFIT Pure 612

Our score rating: 92.38%

Efficiency rating
94%
Band rating
A
Output in kW
12 kW
Height
700 mm
Width
390 mm
Depth
295 mm
Mounting
Wall
Fuel
Gas
ERP Rating
A

Supply and installation around £2,000

10. Vaillant ecoFIT Pure 615

Our score rating: 92.36%

Efficiency rating
94%
Band rating
A
Output in kW
15 kW
Height
700 mm
Width
390 mm
Depth
295 mm
Mounting
Wall
Fuel
Gas
ERP Rating
A

Supply and installation around £2,000

System boilers explained - FAQ

Get a quote on a brand new system boiler for your home

PlumbProud offers the widest range of system boilers from Britain’s leading manufacturers. We’d appreciate the opportunity to come and meet you to find out about how to best meet your family’s heating and hot water requirements. At the end of our visit, we’ll share our recommendations, give you a fixed price quote, and leave you with a list of potential installation dates. We then hope that you choose us to do the work for you.

To find out more about our range of system boilers and to speak with a PlumbProud heating surveyor, please call us on 01604 343053 or enter your postcode into one of the response forms on this page and click “SEND”.

Combi boilers

Choose from the UK’s biggest range of combis

Heat only boilers

The ideal boiler perfect for the largest homes

System boilers

Ideal for 3+ bedroom, 2+ bathroom homes

Boiler quote

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