Woodsman Matai DVI-165 Standard

This approval is limited to installations of the appliance where there is provision for combustion air to be drawn into the chimney cavity via a conduit (or opening) meeting the following criteria; (a) air shall be sourced from outside the room in which the appliance is installed; (b) the air shall be sourced by the conduit and delivered from it at heights neither of which are greater than one metre above the top of the appliance, and (c) the conduit shall have a cross sectional area not less than the equivalent of a circle of diameter 100mm at all points, and a maximum length of five metres.