VIDEOS - JOHN CULLEN AND SONS

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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 USE A Salus ST620 RF WBC
 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 excercise extreme care and caution, as demonstrated in the video.
 
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