INSTALLATION
must be installed to fill in the perforations) to prevent excessive drafts entering the water heater from underneath. The following distances extracted from the Australian Gas Installations Standard AS 5601 must be observed:
•At least 500 mm between the top of the flue terminal and the eaves.
•At least 1 500 mm horizontally between the flue terminal and the edge of any opening into the building, measured horizontally.
•At least 500 mm between the flue terminal and a return wall or external corner, measured horizontally along the wall.
•At least 1 500 mm below any openable window.
•At least 500 mm between the flue terminal and a fence, wall or other obstruction facing the terminal.
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