How To
Videos

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 & Thermostat

This video shows you how to re-establish the radio frequency connection between your thermostat control and boiler.

How to Repressurise a Heating System with an External Filling Hose

This video shows you how to repressurise your heating system with an external filling hose.

How to unfreeze a frozen condensate pipe

Freezing cold weather can cause boiler condensate pipes to freeze, which can prevent the boiler from functioning. This video shows you how to safely unfreeze the condensate pipe should it become frozen. Please exercise extreme care and caution, as demonstrated in the video.

Handy Greenstar Boiler Checks

Some simple checks for your Worcester Greenstar gas boiler, such as boiler pressure, checking room temperature and boiler codes.