Need further support? Contact Form
Choose your enquiry type from the drop-down menu below and a member of our team will be in touch.
It's time for an update
You've been using your good friend IE for quite some time now. It has been a reliable companion for probably the last 20 years.
Unfortunately, due to technology constantly evolving, we would like to kindly ask you to update your browser to one of your liking from the ones listed below. This will ensure that you're going to have good time on our site. Actually, any site really.
Farewell, Internet Explorer.
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Technical query
If you need technical help with your appliance, including Vaillant controls or the myVAILLANT app, please call us on 0344 736 0049 or message us on Whatsapp. Before getting in touch, please try and have your appliance model details available (found on the front of your appliance).
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Change or cancel an appointment
If you want to change or cancel an existing appointment which you have booked on myVAILLANT Web, simply log back onto your account. If your appointment is within the next 24 hours, or you booked it via the call centre, please call us on 0330 100 3143.
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Find out about our boiler service plans
We have several service plans available for our products, message us on WhatsApp to discuss.
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Heat pump service plans
If your heat pump is less than 6 months old, you can sign up for one of our cover and care package options.
View our heat pump cover and care packages -
Is your boiler 45kW or above?
If you have one of our commercial boilers (45kW or above) and need a repair or service appointment, or have a technical query. Call us on 0330 102 8570.
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Your guarantee
If you have a query about your guarantee, you can WhatsApp with your question or email us on servicevisit@vaillant.com.
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Product documents
If you're looking for a manual or user guide, please use the contact form below and select 'literature request'.
Request literature via our contact form -
Need help creating an account on myVAILLANT Web
If you need help creating an account for myVAILLANT Web, read our FAQs.
myVAILLANT Web FAQs -
Moved house recently and want information on your new heating appliance
You will need to be able to send us proof of ownership of your new property and your appliance serial number. Send this by WhatsApp and we can easily deal with your query and update our records. If you need to speak to us, call us on 0330 100 3143. .
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What do I do if I smell gas?
If you begin to smell gas in your home, it is important to take swift action: Call the National Gas Emergency Service on 0800 111 999*. Avoid turning on any lights or electrical equipment. Open all doors and windows in your house. Leave the premises as quickly as possible. The National Gas Emergency will send an engineer to secure your boiler and ensure that it is safe. You should then contact us for any repairs that are needed.
National Gas
Can't find what you are looking for above call general enquiries on 0345 602 2922
*If you smell gas and have an LPG boiler, please contact your provider.
If you live in N. Ireland, please call 0800 002 001
Republic of Ireland, please call 1800 20 50 50
Installer?
If you're an Installer, click here to get in touch.