When used with a flexible hose, the connector on the wall should be between 800 mm to 850 mm above the floor and in the region outside the width of the appliance to a distance of 250 mm. This should be accessible with the appliance installed. g When protecting a wall with non-combustible material it must be at least 150 mm high. Installation Instructions Standards Requirements Australian and New Zealand Gas Installation Standards (AS5601, NZS 5261) require a cooktop to be installed so that the s