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Technical support

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Technical support

If you have a technical query about a Worcester boiler, solar water heating system or heat pump, a variety of technical support is available:

Helpful videos

Videos on boiler repressurisation, boilers timers and thermostats, bleeding radiators and basic principles of operation are available in our videos section.

Helpful videos


Our Frequently Asked Questions may answer your query:

View FAQs

Find a boiler

Find the best boiler to suit your needs:

Find a boiler

Technical bulletins

Technical bulletins provide the latest updates on our boilers,solar water heating, heat pumps or underfloor heating:

Latest updates.

Solar water heating calculators

Solar hot water savings and sizing calculator.

SAP solar thermal calculator.

Technical support

Our award winning** Technical Support team can answer technical queries about our boilers, solar water heating and heat pumps.

Send a technical enquiry

Technical enquiry line: 0330 123 3366*

Renewable technologies enquiry line
(for enquiries about solar water heating and heat pumps): 0330 123 9229*

Opening hours

The team is available 6 days a week, including bank holidays. On average, they answer calls within 20 seconds.

Standard opening hours:

Monday to Friday 7.00am - 8.00pm

Saturday 8.30am - 4.00pm

Heating Design Team

Our Heating Design Team offer design support on all Worcester products.

The services include drawings and technical specification advice for Greenstar boilers, Greenskies solar thermal and Worcester heat pumps. A summary of the services is available in our Engineering Services brochure:

Download Engineering Services brochure

Heat pump sizing

For comprehensive heat pump sizing contact the Heating Design Team. We will aim to respond within 2 working days renewable.energy@uk.bosch.com.

Central heating design service

We offer an indemnified central heating design service to housebuilders and specifiers.

Please contact us for further information renewable.energy@uk.bosch.com.

*Calls to 03 numbers cost no more than a national rate call to an 01 or 02 number and must count towards any inclusive minutes in the same way as 01 and 02 calls. These rules apply to calls from any type of line, including mobile, BT, other fixed phone line or payphone. Calls from mobiles and some other networks may vary. Calls to and from Bosch Thermotechnology Ltd may be recorded for training and quality assurance purposes.

** Winners of the OFTEC Award 2011 & 2012 Best Technical Support

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