Common Problems
How to bleed a radiator –
This video demonstrates how to bleed a radiator, in order to release built up air and solve heating problems such as a 'gurgling' sound and cold radiator tops.
How to Repressurise a Heating System with an Internal Filling Key –
This video shows you how to repressurise your heating system using your Greenstar gas boiler's internal filling key.
How to Re-Establish the Radio Frequency Connection between your Boiler and Thermostat -
This video shows you how to re-establish the radio frequency connection between your thermostat control and boiler. -
How to unfreeze a frozen condensate pipe -
This video demonstrates how to unfreeze a frozen condensate pipe during those cold winter months.
For a full range of central heating solutions and instructions of use visit the Worcester Bosch YouTube channel -