Unique Sunday discount: Only today €15 off all jobs with code ZONDAGZOOFY (add the code immediately after your booking).

Have the Vaillant boiler fault resolved

Have the Vaillant boiler fault resolved
Book this job
Only selected professionals
Fast scheduling, also urgent jobs
Warranty and aftercare on the job
Secure post-payment to Zoofy

Would you like to have a Vaillant boiler problem resolved? Book your CV engineer directly here. No hassle with quotes and no call-out costs.

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How it works

Select your job
1.

Select your job

Sit back and we will take care of the rest!

A professional responds
2.

A professional responds

Verified professionals nearby will receive a notification and choose a moment.

Pay safely afterwards
3.

Pay safely afterwards

Pay via the QR or via an invoice

Check out the top [X] best heating engineers

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4.66/ 5 (469 reviews)

'eindresultaat prima'

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''

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741 jobs completed
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'Very well done, friendly service and very efficient. '

Avatar 4
251 jobs completed
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4.54/ 5 (65 reviews)

'Vriendelijke en vakkundige monteur. Geeft heldere uitleg en oplossingsgericht.'

Avatar 5
3717 jobs completed
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4.75/ 5 (1264 reviews)

'Ik plaats zelf een binnenhuis beluchter.'

Frequently asked questions

The cost of fixing a malfunction in a Vaillant boiler ranges on average from €75 to €150, based on 378 jobs. This service includes volume discount. If you have multiple malfunctions or maintenance tasks, a discount is automatically applied to the second and each subsequent task.

Fixing a malfunction in a Vaillant boiler takes on average 1 to 2 hours. This depends on the complexity of the malfunction and the accessibility of the boiler.

A professional performs the following steps when fixing a malfunction in a Vaillant boiler:

  • Diagnosis: Conducting a thorough inspection of the boiler to determine the cause of the malfunction.
  • Reading error codes: Reading the boiler's error codes to identify specific issues.
  • Maintenance and repair: Performing the necessary maintenance and repair work to resolve the malfunction.
  • Replacing parts: If necessary, replacing defective parts with new ones.
  • Testing: Extensively testing the boiler after the repair to ensure it functions properly again.
  • Final check: Conducting a final check to ensure all problems have been resolved and the boiler operates safely and efficiently.

At Zoofy, we carefully screen heating engineers for craftsmanship and reliability. We request portfolios and verify required certifications for specific jobs. However, the final responsibility lies with the client to check if the necessary certificates are still valid before the job begins.
You can also review ratings and feedback from previous customers. Active performance statistics help us decide whether to continue working with professionals, ensuring you always hire a top-quality expert. Transparent pricing and no call-out fees provide the confidence to book a heating engineer with peace of mind through Zoofy.

After completing the job, you can keep in touch with the heating engineer via Zoofy for any maintenance work and warranty. The professional is legally required to provide a warranty on the job. Additionally, Zoofy offers an optional paid warranty for extra security. You can purchase this warranty package for an additional fee when booking the job.

Yes, at Zoofy we do our utmost to always find a suitable professional for your job. Thanks to our extensive network of professionals, we can usually quickly find someone available for your task.

You always pay via Zoofy. After the job is completed, you can easily pay via a QR code that you receive from the professional or via the invoice sent by email. You never pay the professional directly with card or cash. Paying via the QR code is the fastest and easiest way.

Ready to fix the malfunction in your Vaillant boiler? Book your job today with Zoofy!

★★★★★
★★★★★

"Mohammed is een vakman en zeer prettig in de omgang. Hij had binnen no time de storing aan de CV ketel gefikst. Communiceerde duidelijk, ook vooraf qua aankomsttijd etc. Zeer aan te raden!"

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Liesbeth uit Zaandam

Saturday 15 November

★★★★★
★★★★★

"Snel, duidelijk met het probleem, vriendelijk, vraagt door en biedt opties in plaats van pushen voor de verkoop."

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Lars uit Boskoop

Monday 25 August

★★★★★
★★★★★

"Super effectief en vriendelijk. Top professioneel "

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Eduardo uit Nijmegen

Friday 13 December

★★★★★
★★★★★

"Great guy, genuine and trust worthy. "

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Supradeep uit Maarssen

Tuesday 29 October

★★★★★
★★★★★

"Moad kwam keurig op tijd en constateerde in de ochtend dat er een onderdeel niet werkte. Gelijk gekeken of het onderdeel op voorraad was en in de avond teruggekomen om het onderdeel te installeren. Goede service!!"

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Jurgen uit Warmond

Tuesday 17 May

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