Technical Booklet L Combustion Appliances and Fuel Storage SystemsยทPage 6
Exempt Appliances
Exempt appliances such as ovens, wood burners, boilers and stoves have been tested and approved to burn unauthorised or smoky solid fuels without emitting smoke.
Exempt appliances are appliances (ovens, wood burners, boilers and stoves) which have been exempted by the Clean Air (Northern Ireland) Order. These have passed tests to confirm that they are capable of burning an unauthorised or inherently smoky solid fuel without emitting smoke.
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