worcester bosch greenstar 30cdi combi boiler?

Hi, this is Worcester, Bosch Group

We have a FAQ section in our website which may help you http://www.worcester-bosch.co.uk/installer/products/frequently-asked-questions/gas-boiler-questions

Alternatively our technical department are available to talk to on 0844 892 3366

Hope this helps you.

Worcester, Bosch Group
June 2010