Firstly, let’s start with what a power flush is; a power flush is a cleansing process which aims to remove deposits of sludge, rust and any other debris from your central heating system. If left, these contaminants can seriously affect the efficiency of a heating system and in severe cases, a power flush is the only option available.
"May I thank you and your engineer who attended my home this week.
The engineer was so polite, helpful and good at his work, I worked in the gas industry (British Gas / Transco) for 30 years and understand what the service involves and the service required, and your service is excellent! Please pass my thanks on to the engineer involved."