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Find a Gas Safe Engineer Near Me Gas Safe engineers are required to handle any work that involves gas boilers. This includes repair, installation and maintenance. It is essential to make sure that your engineer is qualified and has the appropriate industry qualifications for the job. You can verify this by checking their Gas Safe ID card. Boiler Installation If you require someone to install the boiler or replace one that's already in place, you must ensure that the heating specialist/plumber employe