If you allow someone who is not  a Gas Safe-registered engineer to inspect or work on a gas boiler, cooker or fire in your house, they gained't be certified to do the work safely. http://[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@silvia.woodw.