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The sign shall read, the venting, including but not limited to decks and porches, the in print size no less than one-half (1/2) inch in size, “GAS following requirements shall be satisfied: VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS”. 1. INSTALLATIONOFCARBONMONOXIDEDETECTORS. At the time of installation of the side wall horizontal vented 4. INSPECTION. The state or local gas inspector of the side gas fueled equipment, the installing plumber or gas fitter shall wall horizontally vented g