Our Harrow On The Hill gas safe registered engineers can carry out repairs and fittings of complete central heating systems and associated gas/water appliances. We can service and repair all types of boiler systems and replace old central heating units. With local Harrow On The Hill heating engineers, who cover gas heating and electric heating, we are only 30/90 minutes away when you need our assistance.
Whatever the job entails, large or small, we have the experience and professional attitude to carry out any heating services. On top of this our local Harrow On The Hill engineers can undertake landlord inspections and prepare buyers' reports.
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Call: 0800 051 8628
Backflow valves are used to prevent water from flowing in the opposite direction in a central heating system, working on the same principle as the valves in the human heart, where a reversal of direction immediately causes the valve to close. This valve then relies on a constant pressure applied against it to keep the seal intact.