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System Gas Boilers

System Gas Boilers

gas system boilers at PlumbProud


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

Other gas system boilers to consider

Range and model Rating Estimated price
Vaillant ecoTEC Plus 637 92.05% £2,500
Worcester Bosch Greenstar i System 12i 91.98% £2,100
Worcester Bosch Greenstar 4000 15kW 91.93% £2,100
Vaillant ecoFIT Pure 618 91.68% £2,100
Worcester Bosch Greenstar i System 27i 91.58% £2,100
Worcester Bosch Greenstar i System 15i 91.55% £2,100
Worcester Bosch Greenstar 8000 Life System 30kW 91.40% £2,300
Worcester Bosch Greenstar i System 30i 91.19% £2,100
Ferroli Bluehelix 18S 91.17% £1,600
Worcester Bosch Greenstar i System 18i 91.13% £2,200
Worcester Bosch Greenstar 8000 Style System 30kW 91.03% £2,300
Worcester Bosch Greenstar i System 21i 90.84% £2,200
Worcester Bosch Greenstar 4000 21kW 90.81% £2,200
Worcester Bosch Greenstar 8000 Life System 35kW 90.79% £2,400
Ferroli Bluehelix 24S 90.66% £1,600
Worcester Bosch Greenstar 4000 24kW 90.62% £2,200
Worcester Bosch Greenstar i System 24i 90.61% £2,200
Vaillant ecoFIT Pure 625 90.48% £2,200
Vaillant ecoFIT Pure 630 89.84% £2,300
Ferroli Bluehelix 30S 88.41% £1,700
Baxi 800 818 88.20% £1,900
Baxi 800 824 87.82% £2,000
Viessmann Vitodens 200-W 11kW 87.59% £2,500
Viessmann Vitodens 200-W 19kW 87.14% £2,600
Alpha E-TEC 20S 87.06% £1,800
Baxi Platinum+ 32 86.97% £2,100
Baxi Megaflo 15 86.76% £1,800
Viessmann Vitodens 200-W 25kW 86.69% £2,700
Baxi Megaflo 18 86.42% £1,800
Alpha E-TEC 30S 86.28% £1,900
Vokera Evolve C 18S 86.23% £1,900
Vokera Evolve C 24S 86.18% £1,900
Baxi 600 615 85.78% £1,900
Ideal Vogue GEN2 S15 85.70% £2,000
Ideal Logic Max S15 85.58% £2,000
Baxi 600 618 85.47% £1,900
Baxi Megaflo 24 85.44% £1,900
Alpha E-TEC 35S 85.32% £2,000
Ideal Vogue Max S15 85.27% £2,100
Baxi Megaflo 28 85.10% £2,000
Vokera Evolve C 35S 85.06% £2,000
Ideal Logic Max S24 84.95% £2,100
Ideal Vogue GEN2 S18 84.93% £2,100
Baxi Megaflo 32 84.86% £2,000
Ideal Logic Max S30 84.67% £2,200
Baxi 600 624 84.53% £2,000
Ideal Vogue GEN2 S26 84.48% £2,200
Ideal Vogue Max S18 84.32% £2,200
Main Eco Compact 15kW 84.08% £1,700
Intergas Compact HRE SB 18 84.05% £1,800
Ideal Vogue GEN2 S32 83.78% £2,300
Ideal Logic+ S24 83.00% £2,000
Intergas Compact HRE SB 24 82.97% £1,900
Main Eco Compact 18kW 82.59% £1,700
Ideal Vogue S26 82.42% £2,200
Ideal Logic+ S30 82.25% £2,100
Intergas Compact HRE SB 30 82.18% £2,000
Ideal Vogue S32 81.99% £2,300
Ariston CLAS SYSTEM ONE 18 81.21% £1,900
Biasi Advance Plus 16 81.20% £1,600
Intergas Compact HRE SB 40 80.81% £2,200
Ariston CLAS SYSTEM ONE 24 80.67% £1,900
Biasi Advance Plus 25 80.64% £1,600
Glow worm Easicom3 25 80.47% £1,600
Ariston CLAS HE SYSTEM EVO 18 80.29% £1,700
Biasi Advance Plus 30 80.14% £1,700
Alpha ProTec Plus 50 79.98% £2,000
Glow worm Ultimate3 25 79.98% £1,800
Glow worm Ultimate3 25 79.98% £1,800
Alpha ProTec Plus 70 79.96% £2,000
Ariston CLAS HE SYSTEM EVO 24 79.89% £1,800
Ariston CLAS SYSTEM ONE 30 79.76% £2,000
Ideal Logic S15 79.47% £1,900
Ariston CLAS HE SYSTEM EVO 30 79.36% £1,800
Ideal Logic S18 79.06% £1,900
Alpha ProTec Plus 90 78.80% £2,200
Ideal Logic S24 78.68% £1,900
Baxi EcoBlue 12 78.36% £2,100
Ideal Logic S30 78.34% £2,000
Baxi EcoBlue 15 78.29% £2,100
Alpha ProTec Plus 115 78.21% £2,300
Baxi EcoBlue 18 77.87% £2,200
Ariston E-SYSTEM EVO 24 77.82% £1,700
Baxi EcoBlue 24 77.44% £2,300
Glow worm Energy 12kW 76.77% £1,800
Ariston E-SYSTEM ONE 24 76.67% £1,800
Glow worm Energy 15kW 76.60% £1,800
Glow worm Energy 18kW 76.16% £1,800
Ariston E-SYSTEM EVO 30 76.15% £1,800
Ariston E-SYSTEM ONE 30 75.91% £1,800
Glow worm Energy 25kW 75.45% £1,900
Baxi EcoBlue 32 75.36% £2,800
Glow worm Energy 30kW 74.81% £1,900
Ideal Logic+ S18 61.38% £2,000
Ideal Logic+ S15 61.37% £2,000
Keston System 30 55.25% £2,200
Atag iS 15 TBC% £TBC
Atag iS 18 TBC% £TBC
Atag iS 24 TBC% £TBC
Atag iS 32 TBC% £TBC
Atag iS 40 TBC% £TBC
Biasi Advance 25 TBC% £TBC
Biasi Advance 30 TBC% £TBC
Biasi Advance Plus 7 25 TBC% £TBC
Biasi Advance Plus 7 30 TBC% £TBC
Vaillant ecoTEC Plus 637
PP Score 92.05% Est price

£2,500

Worcester Bosch Greenstar i System 12i
PP Score 91.98% Est price

£2,100

Worcester Bosch Greenstar 4000 15kW
PP Score 91.93% Est price

£2,100

Vaillant ecoFIT Pure 618
PP Score 91.68% Est price

£2,100

Worcester Bosch Greenstar i System 27i
PP Score 91.58% Est price

£2,100

Worcester Bosch Greenstar i System 15i
PP Score 91.55% Est price

£2,100

Worcester Bosch Greenstar 8000 Life System 30kW
PP Score 91.40% Est price

£2,300

Worcester Bosch Greenstar i System 30i
PP Score 91.19% Est price

£2,100

Ferroli Bluehelix 18S
PP Score 91.17% Est price

£1,600

Worcester Bosch Greenstar i System 18i
PP Score 91.13% Est price

£2,200

Worcester Bosch Greenstar 8000 Style System 30kW
PP Score 91.03% Est price

£2,300

Worcester Bosch Greenstar i System 21i
PP Score 90.84% Est price

£2,200

Worcester Bosch Greenstar 4000 21kW
PP Score 90.81% Est price

£2,200

Worcester Bosch Greenstar 8000 Life System 35kW
PP Score 90.79% Est price

£2,400

Ferroli Bluehelix 24S
PP Score 90.66% Est price

£1,600

Worcester Bosch Greenstar 4000 24kW
PP Score 90.62% Est price

£2,200

Worcester Bosch Greenstar i System 24i
PP Score 90.61% Est price

£2,200

Vaillant ecoFIT Pure 625
PP Score 90.48% Est price

£2,200

Vaillant ecoFIT Pure 630
PP Score 89.84% Est price

£2,300

Ferroli Bluehelix 30S
PP Score 88.41% Est price

£1,700

Baxi 800 818
PP Score 88.20% Est price

£1,900

Baxi 800 824
PP Score 87.82% Est price

£2,000

Viessmann Vitodens 200-W 11kW
PP Score 87.59% Est price

£2,500

Viessmann Vitodens 200-W 19kW
PP Score 87.14% Est price

£2,600

Alpha E-TEC 20S
PP Score 87.06% Est price

£1,800

Baxi Platinum+ 32
PP Score 86.97% Est price

£2,100

Baxi Megaflo 15
PP Score 86.76% Est price

£1,800

Viessmann Vitodens 200-W 25kW
PP Score 86.69% Est price

£2,700

Baxi Megaflo 18
PP Score 86.42% Est price

£1,800

Alpha E-TEC 30S
PP Score 86.28% Est price

£1,900

Vokera Evolve C 18S
PP Score 86.23% Est price

£1,900

Vokera Evolve C 24S
PP Score 86.18% Est price

£1,900

Baxi 600 615
PP Score 85.78% Est price

£1,900

Ideal Vogue GEN2 S15
PP Score 85.70% Est price

£2,000

Ideal Logic Max S15
PP Score 85.58% Est price

£2,000

Baxi 600 618
PP Score 85.47% Est price

£1,900

Baxi Megaflo 24
PP Score 85.44% Est price

£1,900

Alpha E-TEC 35S
PP Score 85.32% Est price

£2,000

Ideal Vogue Max S15
PP Score 85.27% Est price

£2,100

Baxi Megaflo 28
PP Score 85.10% Est price

£2,000

Vokera Evolve C 35S
PP Score 85.06% Est price

£2,000

Ideal Logic Max S24
PP Score 84.95% Est price

£2,100

Ideal Vogue GEN2 S18
PP Score 84.93% Est price

£2,100

Baxi Megaflo 32
PP Score 84.86% Est price

£2,000

Ideal Logic Max S30
PP Score 84.67% Est price

£2,200

Baxi 600 624
PP Score 84.53% Est price

£2,000

Ideal Vogue GEN2 S26
PP Score 84.48% Est price

£2,200

Ideal Vogue Max S18
PP Score 84.32% Est price

£2,200

Main Eco Compact 15kW
PP Score 84.08% Est price

£1,700

Intergas Compact HRE SB 18
PP Score 84.05% Est price

£1,800

Ideal Vogue GEN2 S32
PP Score 83.78% Est price

£2,300

Ideal Logic+ S24
PP Score 83.00% Est price

£2,000

Intergas Compact HRE SB 24
PP Score 82.97% Est price

£1,900

Main Eco Compact 18kW
PP Score 82.59% Est price

£1,700

Ideal Vogue S26
PP Score 82.42% Est price

£2,200

Ideal Logic+ S30
PP Score 82.25% Est price

£2,100

Intergas Compact HRE SB 30
PP Score 82.18% Est price

£2,000

Ideal Vogue S32
PP Score 81.99% Est price

£2,300

Ariston CLAS SYSTEM ONE 18
PP Score 81.21% Est price

£1,900

Biasi Advance Plus 16
PP Score 81.20% Est price

£1,600

Intergas Compact HRE SB 40
PP Score 80.81% Est price

£2,200

Ariston CLAS SYSTEM ONE 24
PP Score 80.67% Est price

£1,900

Biasi Advance Plus 25
PP Score 80.64% Est price

£1,600

Glow worm Easicom3 25
PP Score 80.47% Est price

£1,600

Ariston CLAS HE SYSTEM EVO 18
PP Score 80.29% Est price

£1,700

Biasi Advance Plus 30
PP Score 80.14% Est price

£1,700

Alpha ProTec Plus 50
PP Score 79.98% Est price

£2,000

Glow worm Ultimate3 25
PP Score 79.98% Est price

£1,800

Glow worm Ultimate3 25
PP Score 79.98% Est price

£1,800

Alpha ProTec Plus 70
PP Score 79.96% Est price

£2,000

Ariston CLAS HE SYSTEM EVO 24
PP Score 79.89% Est price

£1,800

Ariston CLAS SYSTEM ONE 30
PP Score 79.76% Est price

£2,000

Ideal Logic S15
PP Score 79.47% Est price

£1,900

Ariston CLAS HE SYSTEM EVO 30
PP Score 79.36% Est price

£1,800

Ideal Logic S18
PP Score 79.06% Est price

£1,900

Alpha ProTec Plus 90
PP Score 78.80% Est price

£2,200

Ideal Logic S24
PP Score 78.68% Est price

£1,900

Baxi EcoBlue 12
PP Score 78.36% Est price

£2,100

Ideal Logic S30
PP Score 78.34% Est price

£2,000

Baxi EcoBlue 15
PP Score 78.29% Est price

£2,100

Alpha ProTec Plus 115
PP Score 78.21% Est price

£2,300

Baxi EcoBlue 18
PP Score 77.87% Est price

£2,200

Ariston E-SYSTEM EVO 24
PP Score 77.82% Est price

£1,700

Baxi EcoBlue 24
PP Score 77.44% Est price

£2,300

Glow worm Energy 12kW
PP Score 76.77% Est price

£1,800

Ariston E-SYSTEM ONE 24
PP Score 76.67% Est price

£1,800

Glow worm Energy 15kW
PP Score 76.60% Est price

£1,800

Glow worm Energy 18kW
PP Score 76.16% Est price

£1,800

Ariston E-SYSTEM EVO 30
PP Score 76.15% Est price

£1,800

Ariston E-SYSTEM ONE 30
PP Score 75.91% Est price

£1,800

Glow worm Energy 25kW
PP Score 75.45% Est price

£1,900

Baxi EcoBlue 32
PP Score 75.36% Est price

£2,800

Glow worm Energy 30kW
PP Score 74.81% Est price

£1,900

Ideal Logic+ S18
PP Score 61.38% Est price

£2,000

Ideal Logic+ S15
PP Score 61.37% Est price

£2,000

Keston System 30
PP Score 55.25% Est price

£2,200

Atag iS 15
PP Score TBC% Est price

£TBC

Atag iS 18
PP Score TBC% Est price

£TBC

Atag iS 24
PP Score TBC% Est price

£TBC

Atag iS 32
PP Score TBC% Est price

£TBC

Atag iS 40
PP Score TBC% Est price

£TBC

Biasi Advance 25
PP Score TBC% Est price

£TBC

Biasi Advance 30
PP Score TBC% Est price

£TBC

Biasi Advance Plus 7 25
PP Score TBC% Est price

£TBC

Biasi Advance Plus 7 30
PP Score TBC% Est price

£TBC

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    gas system boilers at PlumbProud

    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

    Other gas system boilers to consider

    Range and model Rating Estimated price
    Vaillant ecoTEC Plus 637 92.05% £2,500
    Worcester Bosch Greenstar i System 12i 91.98% £2,100
    Worcester Bosch Greenstar 4000 15kW 91.93% £2,100
    Vaillant ecoFIT Pure 618 91.68% £2,100
    Worcester Bosch Greenstar i System 27i 91.58% £2,100
    Worcester Bosch Greenstar i System 15i 91.55% £2,100
    Worcester Bosch Greenstar 8000 Life System 30kW 91.40% £2,300
    Worcester Bosch Greenstar i System 30i 91.19% £2,100
    Ferroli Bluehelix 18S 91.17% £1,600
    Worcester Bosch Greenstar i System 18i 91.13% £2,200
    Worcester Bosch Greenstar 8000 Style System 30kW 91.03% £2,300
    Worcester Bosch Greenstar i System 21i 90.84% £2,200
    Worcester Bosch Greenstar 4000 21kW 90.81% £2,200
    Worcester Bosch Greenstar 8000 Life System 35kW 90.79% £2,400
    Ferroli Bluehelix 24S 90.66% £1,600
    Worcester Bosch Greenstar 4000 24kW 90.62% £2,200
    Worcester Bosch Greenstar i System 24i 90.61% £2,200
    Vaillant ecoFIT Pure 625 90.48% £2,200
    Vaillant ecoFIT Pure 630 89.84% £2,300
    Ferroli Bluehelix 30S 88.41% £1,700
    Baxi 800 818 88.20% £1,900
    Baxi 800 824 87.82% £2,000
    Viessmann Vitodens 200-W 11kW 87.59% £2,500
    Viessmann Vitodens 200-W 19kW 87.14% £2,600
    Alpha E-TEC 20S 87.06% £1,800
    Baxi Platinum+ 32 86.97% £2,100
    Baxi Megaflo 15 86.76% £1,800
    Viessmann Vitodens 200-W 25kW 86.69% £2,700
    Baxi Megaflo 18 86.42% £1,800
    Alpha E-TEC 30S 86.28% £1,900
    Vokera Evolve C 18S 86.23% £1,900
    Vokera Evolve C 24S 86.18% £1,900
    Baxi 600 615 85.78% £1,900
    Ideal Vogue GEN2 S15 85.70% £2,000
    Ideal Logic Max S15 85.58% £2,000
    Baxi 600 618 85.47% £1,900
    Baxi Megaflo 24 85.44% £1,900
    Alpha E-TEC 35S 85.32% £2,000
    Ideal Vogue Max S15 85.27% £2,100
    Baxi Megaflo 28 85.10% £2,000
    Vokera Evolve C 35S 85.06% £2,000
    Ideal Logic Max S24 84.95% £2,100
    Ideal Vogue GEN2 S18 84.93% £2,100
    Baxi Megaflo 32 84.86% £2,000
    Ideal Logic Max S30 84.67% £2,200
    Baxi 600 624 84.53% £2,000
    Ideal Vogue GEN2 S26 84.48% £2,200
    Ideal Vogue Max S18 84.32% £2,200
    Main Eco Compact 15kW 84.08% £1,700
    Intergas Compact HRE SB 18 84.05% £1,800
    Ideal Vogue GEN2 S32 83.78% £2,300
    Ideal Logic+ S24 83.00% £2,000
    Intergas Compact HRE SB 24 82.97% £1,900
    Main Eco Compact 18kW 82.59% £1,700
    Ideal Vogue S26 82.42% £2,200
    Ideal Logic+ S30 82.25% £2,100
    Intergas Compact HRE SB 30 82.18% £2,000
    Ideal Vogue S32 81.99% £2,300
    Ariston CLAS SYSTEM ONE 18 81.21% £1,900
    Biasi Advance Plus 16 81.20% £1,600
    Intergas Compact HRE SB 40 80.81% £2,200
    Ariston CLAS SYSTEM ONE 24 80.67% £1,900
    Biasi Advance Plus 25 80.64% £1,600
    Glow worm Easicom3 25 80.47% £1,600
    Ariston CLAS HE SYSTEM EVO 18 80.29% £1,700
    Biasi Advance Plus 30 80.14% £1,700
    Alpha ProTec Plus 50 79.98% £2,000
    Glow worm Ultimate3 25 79.98% £1,800
    Glow worm Ultimate3 25 79.98% £1,800
    Alpha ProTec Plus 70 79.96% £2,000
    Ariston CLAS HE SYSTEM EVO 24 79.89% £1,800
    Ariston CLAS SYSTEM ONE 30 79.76% £2,000
    Ideal Logic S15 79.47% £1,900
    Ariston CLAS HE SYSTEM EVO 30 79.36% £1,800
    Ideal Logic S18 79.06% £1,900
    Alpha ProTec Plus 90 78.80% £2,200
    Ideal Logic S24 78.68% £1,900
    Baxi EcoBlue 12 78.36% £2,100
    Ideal Logic S30 78.34% £2,000
    Baxi EcoBlue 15 78.29% £2,100
    Alpha ProTec Plus 115 78.21% £2,300
    Baxi EcoBlue 18 77.87% £2,200
    Ariston E-SYSTEM EVO 24 77.82% £1,700
    Baxi EcoBlue 24 77.44% £2,300
    Glow worm Energy 12kW 76.77% £1,800
    Ariston E-SYSTEM ONE 24 76.67% £1,800
    Glow worm Energy 15kW 76.60% £1,800
    Glow worm Energy 18kW 76.16% £1,800
    Ariston E-SYSTEM EVO 30 76.15% £1,800
    Ariston E-SYSTEM ONE 30 75.91% £1,800
    Glow worm Energy 25kW 75.45% £1,900
    Baxi EcoBlue 32 75.36% £2,800
    Glow worm Energy 30kW 74.81% £1,900
    Ideal Logic+ S18 61.38% £2,000
    Ideal Logic+ S15 61.37% £2,000
    Keston System 30 55.25% £2,200
    Atag iS 15 TBC% £TBC
    Atag iS 18 TBC% £TBC
    Atag iS 24 TBC% £TBC
    Atag iS 32 TBC% £TBC
    Atag iS 40 TBC% £TBC
    Biasi Advance 25 TBC% £TBC
    Biasi Advance 30 TBC% £TBC
    Biasi Advance Plus 7 25 TBC% £TBC
    Biasi Advance Plus 7 30 TBC% £TBC
    Vaillant ecoTEC Plus 637
    PP Score 92.05% Est price

    £2,500

    Worcester Bosch Greenstar i System 12i
    PP Score 91.98% Est price

    £2,100

    Worcester Bosch Greenstar 4000 15kW
    PP Score 91.93% Est price

    £2,100

    Vaillant ecoFIT Pure 618
    PP Score 91.68% Est price

    £2,100

    Worcester Bosch Greenstar i System 27i
    PP Score 91.58% Est price

    £2,100

    Worcester Bosch Greenstar i System 15i
    PP Score 91.55% Est price

    £2,100

    Worcester Bosch Greenstar 8000 Life System 30kW
    PP Score 91.40% Est price

    £2,300

    Worcester Bosch Greenstar i System 30i
    PP Score 91.19% Est price

    £2,100

    Ferroli Bluehelix 18S
    PP Score 91.17% Est price

    £1,600

    Worcester Bosch Greenstar i System 18i
    PP Score 91.13% Est price

    £2,200

    Worcester Bosch Greenstar 8000 Style System 30kW
    PP Score 91.03% Est price

    £2,300

    Worcester Bosch Greenstar i System 21i
    PP Score 90.84% Est price

    £2,200

    Worcester Bosch Greenstar 4000 21kW
    PP Score 90.81% Est price

    £2,200

    Worcester Bosch Greenstar 8000 Life System 35kW
    PP Score 90.79% Est price

    £2,400

    Ferroli Bluehelix 24S
    PP Score 90.66% Est price

    £1,600

    Worcester Bosch Greenstar 4000 24kW
    PP Score 90.62% Est price

    £2,200

    Worcester Bosch Greenstar i System 24i
    PP Score 90.61% Est price

    £2,200

    Vaillant ecoFIT Pure 625
    PP Score 90.48% Est price

    £2,200

    Vaillant ecoFIT Pure 630
    PP Score 89.84% Est price

    £2,300

    Ferroli Bluehelix 30S
    PP Score 88.41% Est price

    £1,700

    Baxi 800 818
    PP Score 88.20% Est price

    £1,900

    Baxi 800 824
    PP Score 87.82% Est price

    £2,000

    Viessmann Vitodens 200-W 11kW
    PP Score 87.59% Est price

    £2,500

    Viessmann Vitodens 200-W 19kW
    PP Score 87.14% Est price

    £2,600

    Alpha E-TEC 20S
    PP Score 87.06% Est price

    £1,800

    Baxi Platinum+ 32
    PP Score 86.97% Est price

    £2,100

    Baxi Megaflo 15
    PP Score 86.76% Est price

    £1,800

    Viessmann Vitodens 200-W 25kW
    PP Score 86.69% Est price

    £2,700

    Baxi Megaflo 18
    PP Score 86.42% Est price

    £1,800

    Alpha E-TEC 30S
    PP Score 86.28% Est price

    £1,900

    Vokera Evolve C 18S
    PP Score 86.23% Est price

    £1,900

    Vokera Evolve C 24S
    PP Score 86.18% Est price

    £1,900

    Baxi 600 615
    PP Score 85.78% Est price

    £1,900

    Ideal Vogue GEN2 S15
    PP Score 85.70% Est price

    £2,000

    Ideal Logic Max S15
    PP Score 85.58% Est price

    £2,000

    Baxi 600 618
    PP Score 85.47% Est price

    £1,900

    Baxi Megaflo 24
    PP Score 85.44% Est price

    £1,900

    Alpha E-TEC 35S
    PP Score 85.32% Est price

    £2,000

    Ideal Vogue Max S15
    PP Score 85.27% Est price

    £2,100

    Baxi Megaflo 28
    PP Score 85.10% Est price

    £2,000

    Vokera Evolve C 35S
    PP Score 85.06% Est price

    £2,000

    Ideal Logic Max S24
    PP Score 84.95% Est price

    £2,100

    Ideal Vogue GEN2 S18
    PP Score 84.93% Est price

    £2,100

    Baxi Megaflo 32
    PP Score 84.86% Est price

    £2,000

    Ideal Logic Max S30
    PP Score 84.67% Est price

    £2,200

    Baxi 600 624
    PP Score 84.53% Est price

    £2,000

    Ideal Vogue GEN2 S26
    PP Score 84.48% Est price

    £2,200

    Ideal Vogue Max S18
    PP Score 84.32% Est price

    £2,200

    Main Eco Compact 15kW
    PP Score 84.08% Est price

    £1,700

    Intergas Compact HRE SB 18
    PP Score 84.05% Est price

    £1,800

    Ideal Vogue GEN2 S32
    PP Score 83.78% Est price

    £2,300

    Ideal Logic+ S24
    PP Score 83.00% Est price

    £2,000

    Intergas Compact HRE SB 24
    PP Score 82.97% Est price

    £1,900

    Main Eco Compact 18kW
    PP Score 82.59% Est price

    £1,700

    Ideal Vogue S26
    PP Score 82.42% Est price

    £2,200

    Ideal Logic+ S30
    PP Score 82.25% Est price

    £2,100

    Intergas Compact HRE SB 30
    PP Score 82.18% Est price

    £2,000

    Ideal Vogue S32
    PP Score 81.99% Est price

    £2,300

    Ariston CLAS SYSTEM ONE 18
    PP Score 81.21% Est price

    £1,900

    Biasi Advance Plus 16
    PP Score 81.20% Est price

    £1,600

    Intergas Compact HRE SB 40
    PP Score 80.81% Est price

    £2,200

    Ariston CLAS SYSTEM ONE 24
    PP Score 80.67% Est price

    £1,900

    Biasi Advance Plus 25
    PP Score 80.64% Est price

    £1,600

    Glow worm Easicom3 25
    PP Score 80.47% Est price

    £1,600

    Ariston CLAS HE SYSTEM EVO 18
    PP Score 80.29% Est price

    £1,700

    Biasi Advance Plus 30
    PP Score 80.14% Est price

    £1,700

    Alpha ProTec Plus 50
    PP Score 79.98% Est price

    £2,000

    Glow worm Ultimate3 25
    PP Score 79.98% Est price

    £1,800

    Glow worm Ultimate3 25
    PP Score 79.98% Est price

    £1,800

    Alpha ProTec Plus 70
    PP Score 79.96% Est price

    £2,000

    Ariston CLAS HE SYSTEM EVO 24
    PP Score 79.89% Est price

    £1,800

    Ariston CLAS SYSTEM ONE 30
    PP Score 79.76% Est price

    £2,000

    Ideal Logic S15
    PP Score 79.47% Est price

    £1,900

    Ariston CLAS HE SYSTEM EVO 30
    PP Score 79.36% Est price

    £1,800

    Ideal Logic S18
    PP Score 79.06% Est price

    £1,900

    Alpha ProTec Plus 90
    PP Score 78.80% Est price

    £2,200

    Ideal Logic S24
    PP Score 78.68% Est price

    £1,900

    Baxi EcoBlue 12
    PP Score 78.36% Est price

    £2,100

    Ideal Logic S30
    PP Score 78.34% Est price

    £2,000

    Baxi EcoBlue 15
    PP Score 78.29% Est price

    £2,100

    Alpha ProTec Plus 115
    PP Score 78.21% Est price

    £2,300

    Baxi EcoBlue 18
    PP Score 77.87% Est price

    £2,200

    Ariston E-SYSTEM EVO 24
    PP Score 77.82% Est price

    £1,700

    Baxi EcoBlue 24
    PP Score 77.44% Est price

    £2,300

    Glow worm Energy 12kW
    PP Score 76.77% Est price

    £1,800

    Ariston E-SYSTEM ONE 24
    PP Score 76.67% Est price

    £1,800

    Glow worm Energy 15kW
    PP Score 76.60% Est price

    £1,800

    Glow worm Energy 18kW
    PP Score 76.16% Est price

    £1,800

    Ariston E-SYSTEM EVO 30
    PP Score 76.15% Est price

    £1,800

    Ariston E-SYSTEM ONE 30
    PP Score 75.91% Est price

    £1,800

    Glow worm Energy 25kW
    PP Score 75.45% Est price

    £1,900

    Baxi EcoBlue 32
    PP Score 75.36% Est price

    £2,800

    Glow worm Energy 30kW
    PP Score 74.81% Est price

    £1,900

    Ideal Logic+ S18
    PP Score 61.38% Est price

    £2,000

    Ideal Logic+ S15
    PP Score 61.37% Est price

    £2,000

    Keston System 30
    PP Score 55.25% Est price

    £2,200

    Atag iS 15
    PP Score TBC% Est price

    £TBC

    Atag iS 18
    PP Score TBC% Est price

    £TBC

    Atag iS 24
    PP Score TBC% Est price

    £TBC

    Atag iS 32
    PP Score TBC% Est price

    £TBC

    Atag iS 40
    PP Score TBC% Est price

    £TBC

    Biasi Advance 25
    PP Score TBC% Est price

    £TBC

    Biasi Advance 30
    PP Score TBC% Est price

    £TBC

    Biasi Advance Plus 7 25
    PP Score TBC% Est price

    £TBC

    Biasi Advance Plus 7 30
    PP Score TBC% Est price

    £TBC

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