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RSVG chimney fans are specially designed to work with heating appliances burning gas and oil. The fans have a built-in fail-safe system consisting of a pressure differential switch and a flow measuring system. The fail-safe system complies with BS 5440: 1990 Part 1 and BS 6644: 1991. RSVG chimney fans are normally installed on top of the chimney where the vertical discharge column prevents a plume of gas flowing down the outside of the chimney and thereby complies with the Clean Air Act. RSVG fans can also be wall mounted. Appraisal Forms In order for your chimney fan purchase to be guaranteed by the manufacturer, you must complete an appraisal form and send it to us before purchase. We'll then get the manufacturer to size the chimney fan requirement for you and advise which model you require. Without going through this process, your fan purchase will not be guaranteed. Exodraft Appraisal Forms Drop ship product. See full product description for availability. |