1.            THESE TERMS

1.1.         What these terms cover. These are the terms and conditions under which we offer a Manufacturer’s Guarantee on our products (as defined in these Terms) to you (the customer). We may change these Terms from time to time.

1.2          Why you should read them. It is important that you read these Terms carefully before you submit your guarantee request.


2.1          Who we are. We are Bosch Thermotechnology Limited, a company incorporated in England and Wales with company number 01993294, whose registered office address is at Cotswold Way, Warndon, Worcester, WR4 9SW United Kingdom (Bosch). Our registered VAT number is 488160323.

2.2          How to contact us. You can contact us as follows:

2.2.1      by telephoning our Customer Care Team on 0330 123 9339

(open Mon-Fri 7am-8pm, Sat 8am-5pm, Sun 9am-12pm and on bank holidays 8am-4:30pm except for Christmas Day where the line will be closed; the opening times may be changed from time to time as notified on our website Please check with your network provider for costs associated with this number);

2.2.2      by completing our appointment request form; or

2.2.3      by writing to us at Bosch Thermotechnology Limited Cotswold Way, Warndon, Worcester, WR4 9SW.

2.3          EMERGENCIES. If you smell gas or are worried about gas safety, please phone the National Gas Emergencies number on 0800 111 999. Only use a mobile phone from outside the property. The number is free and available 24 hours a day.

2.4          Interpretation of these Terms. When we use the words “writing” or “written” in these Terms, this includes emails and text messages. “We”, ”us” or “our” refers to Bosch.


3.1          The covered Products. Products covered under the guarantee (the Guarantee) are heating/hot water appliances and components if they are manufactured by Bosch and/or branded ‘Worcester’, ‘Bosch’ or ‘Buderus’ and provided we supply them in the United Kingdom, the Republic of Ireland, the Isle of Man and the Channel Islands (the Product).

3.2          The covered defects. We will, at our sole discretion and free of material and labour charges, repair or replace components of the Product that are faulty or defective in material or manufacture, provided you have claimed the defect during the Guarantee period (see clause 3.3). We will not reimburse third party costs for repair and replacement unless we have authorised such works in advance and in writing.

3.3          Commencement of the Guarantee. The Guarantee period will commence from the date of installation, provided the Product is installed within six months of the Product manufacturing date. Otherwise, the Guarantee period will commence six months after the date of manufacturing.

3.4          Length of the Guarantee. The length of the Guarantee will vary depending on its type, its use (see clause 4.1.3) and the accreditation of your installer. To see the Guarantees we currently offer, please refer to the Schedule or visit our website at

If your Product has been registered some time ago, you can confirm the length of your Guarantee by calling our Customer Care Team on 0330 123 9339.

The Guarantee period will not be extended following a repair or replacement under this Guarantee.

3.5          Who can make a claim under the Guarantee. Only the owner of the Product can make a claim under the Guarantee.

3.6          Ownership of replaced parts. If we replace any component or product, the part or product removed will become our property.

3.7          Your statutory rights are not affected. The Guarantee does not exclude nor limit any mandatory statutory rights that you may have against us nor affect your statutory rights against the seller/installer of the Product.


4.1          The Guarantee conditions. The Guarantee is conditional upon the following and non-compliance may invalidate the Guarantee:

4.1.1      The Product must be correctly installed and commissioned by a competent and officially certified installer (e.g. Gas Safe, OFTEC, MCS) in accordance with the manufacturer’s instructions, applicable legal requirements and industry standards;

4.1.2      The Product must be registered within 30 days of installation;

4.1.3      The Product is designed to be used in a domestic environment and correct information as to its use must be provided;

Use in a domestic environment in these Terms means the use of one single Product not exceeding 70kW by an individual or by a family or household for sole household purposes;

sole household purposes means

- the provision of heating for spaces used for accommodation of the household, such as bedrooms, bathrooms, living rooms, dining rooms and kitchens; and

- the provision of hot water for facilities used for the hygiene of the household, such as showers, baths, sinks and domestic appliances.

Please note that Guarantee may be reduced, limited or invalidated if the Product is not used in a domestic environment;

4.1.4      The Product must be used and maintained in accordance with the manufacturer’s instructions; excessive use may invalidate the Guarantee.

4.1.5      The Product must be serviced annually by Bosch or any other competent and officially certified engineer. Service details must be recorded in the service record and be available for inspection upon request. The cost for the annual service is not included in the Guarantee;

4.1.6      The Product must not be moved or relocated, including within the same property, without our written authorisation once the Product has been installed;

4.1.7      The Product must be installed in an area that is easily and safely accessible; loft installations must have a fixed loft ladder, adequate boarding and lighting; and cupboard installations must have sufficient clearances as stated in the Product installation instructions.

4.2          Exclusions from the Manufacturer’s Guarantee. The following are not covered by the Guarantee:

4.2.1      Products installed on permanently moored houseboats are only covered for parts (not for labour);

4.2.2      Consumable items associated with fair wear and tear as specified by us, including but not limited to oil nozzles, hoses, oil filters, gaskets and batteries;

4.2.3      External system components such as radiators , water, gas and oil pipelines/services, electric wiring, pumps, fire valves, 3rd party filters, water and oil storage tanks;

4.2.4      Damage caused by system design, faulty installation, theft, tampering, lack of maintenance, misuse or other non-compliance with the manufacturer’s instructions;

4.2.5      Damage caused by accident, fire, flood, explosion, lightning, storms, or other bad weather conditions;

4.2.6      Any repairs not authorised by ourselves;

4.2.7      Damage as a result of scale, sludge or blockages or associated costs of rectification;

4.2.8      Any upgrading/improvement work required as a result of legislation, (health and safety or otherwise) or to meet current standards;

4.2.9      Servicing and its associated costs;

4.2.10    Educational visits associated with correct use of the Product and associated controls;

4.2.11    Self-maintenance tasks including but not limited to re-pressurising and resetting the Product, bleeding excess system pressure and thawing frozen condensate pipes.

4.3          When to submit a Guarantee claim. You must submit the Guarantee claim within the Guarantee period (see clause 3.2). Guarantee claims made after expiry of the Guarantee period will not be acknowledged.

4.4          If an engineer has to attend. If an engineer has to attend your property to assess the Product, we will schedule an appointment with one of our engineers or approved service partners. Please note that for such appointments, our Service Engineer Visit Terms and Conditions Residential apply (

5.            DATA PROTECTION

Our Privacy Policy. We handle your personal information in a secure and confidential manner and always in accordance with the law, including the General Data Protection Regulation (2016) and applicable English law. The law provides you with rights in relation to your personal information. To find out more about this and about how we handle personal information in accordance with the law, please see our privacy policy at


6.1          Assignment and Subcontracting. We may at any time and without any notice assign, transfer, charge, subcontract or deal in any other manner with all or any of its rights or obligations under these Terms. You may only transfer your rights or your obligations under these Terms to another person with our consent, not to be unreasonably withheld or delayed.

6.2          Third Party Rights. Unless explicitly stated otherwise in these Terms, these Terms do not give rise to any rights under the Contracts (Rights of Third Parties) Act 1999 to enforce any term of these Terms.

6.3          Severance. Each of the clauses of these Terms operates separately. If any court or relevant authority decides that any of them are unlawful, the remaining clauses will remain in full force and effect.

6.4          Waiver. If we do not insist immediately that you do anything you are required to do under these Terms, that will not mean that you do not have to do those things and it will not prevent us taking steps against you at a later date.

6.5          Applicable law and jurisdiction. These Terms are governed by English law and you can bring legal proceedings in respect of these Terms and our Guarantee services in the English courts. If you live in Scotland you can bring legal proceedings in respect of these Terms and our Guarantee services in either the Scottish or the English courts. If you live in Northern Ireland you can bring legal proceedings in respect of these Terms and our Guarantee services in either the Northern Irish or the English courts. If you live in the Republic of Ireland, you can bring legal proceedings in respect of these Terms and our Guarantee services in either the Irish or the English courts.

Guarantee Matrix