Ask a question Worcester Greenstar 550CDi Highflow Combi Gas Boiler -Horizontal Flue & EasyControl Black Thermostat How it works Submit your question below and we’ll let you know by email once it’s been answered. If published, your question and our response may appear on the product page. You can choose to ask anonymously. Keep your question specific to this product – how it works, what it includes, or whether it suits your needs. Stock updates live on our website – no need to ask about availability. Need help with an order? Contact our team instead. Don’t include personal details, prices, or refer to other retailers. Question 20 more characters needed Name Enter a first name or nickname. Leave blank to post anonymously. E-mail address I agree to be contacted via email regarding my question Thank you! We’ve received your question and will be in touch via email once it has been answered. Submit
