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The best vaillant combi boilers 35kw in comparison

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Last updated on 01.07.2025

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Vaillant PCB EcoTec Plus

Vaillant

free shipping

9,9

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£ 183.99

£ 39.99

Vaillant 20219517 Horizontal Flue Kit, White

Vaillant

free shipping

9,8

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Quick and easy to install
Made of premium quality material

£ 179.00

£ 119.99

Vaillant timeSWITCH 150, Plastic, White

Vaillant

free shipping

9,5

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Time periods as short as 15 minutes to give complete and flexible control of your time programs.
Flexible programming with the ability to set up to 48 heating on off times

£ 69.69

£ 95.00

VAILLANT ECOTEC PLUS VU 612 615 618 624 630 637 EXPANSION VESSEL 181051

Vaillant

free shipping

9,4

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Brand Vaillant
Product type VALVE

£ 42.97

£ 48.00

Vaillant 22mm Boiler Filter Protection Kit - 0020278309

Vaillant

free shipping

9,4

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Extend the life of your Vaillant ecoTEC plus and ecoTEC exclusive boilers.
Extended 10 year guarantee available when installed with the boiler protection kit and registered through Vaillant Advance.
Long working life - guaranteed for the life of the boiler
Connection diameters from 22mm to DN 600 and above

£ 200.00

£ 160.00

£ 200.20

Vaillant Pump VP5 160928

Vaillant

free shipping

9,4

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Genuine Part

£ 195.36

£ 39.99

Recommendation

VAILLANT ECOTEC Plus 612/615 / 618/624 / 630/637 from 2012 PCB 0020135165

Vaillant

free shipping

9,4

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Genuine Part
Free Next Day Delivery

£ 225.00

£ 65.00

Vaillant Automatic DE-Aerator Euro Prop/Plus 104521

Vaillant

9,4

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Features

All new parts come with a 12 month old
Trust A Part boiler experts with over 25 years of experience in heating, boiler maintenance and parts of
Family run business prides itself on high levels of customer satisfaction

£ 19.00

£ 8.95

Vaillant Printed Circuit Board Boiler Part 0020036861

Vaillant

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9,4

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Vaillant Printed Circuit Boiler Part 0020036861

£ 159.95

£ 147.19

£ 290.40

Genuine Vaillant 0020132682 ECOTEC Plus 824 831 837 937 Diverter Valve

Vaillant

4% off

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9,4

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Vaillant 0020132682 ECOTEC Plus 824 831 837 937 Diverter Valve. No cable included

This ranking is created through algorithmic analysis of millions of products tailored specifically to your search. We aim to find the most suitable product for you based on manufacturer information and price. The ranking reflects our opinion and should serve as a good starting point for your purchase. We would like to point out that we have not tested the products ourselves and link to selected online shops and partners from which we may receive compensation.