76. Installation ClearancesBefore installing, check for the following:Install in accordance with relevant building and mechanical codes, as well as any local, state ornational regulations, or in the absence of local and state codes, to the National Fuel Gas CodeANSI Z223.1/NFPA 54 – latest edition. In Canada, see NSCNGPIC for detailed requirements.WARNINGItemDistance from combustibles• Maintain the following clearancesfrom both combustible andnon-combustible materials.Check Illustration• If possible, leave 8" (200mm) or more oneither side of the unit to facilitate inspection.• If possible, leave 24" (600mm) or more infront of the unit to facilitate maintenanceand service if necessary.• If possible, leave 3" (75mm) or moreabove and below the vent pipe to facilitateinspection and repair if necessarySecuring of space forrepair/inspection24" (600mm)or moreDistance fromthe side12" (300mm)or more2" (50mm)or more4" (100mm)or more3" (75mm) or more3" (75mm) or more8" (200mm)or more8" (200mm)or more• If the unit will be installed in the vicinity ofa permanent kitchen range or stove thathas the possibility of generating steamthat contains fats or oils, use a dividingplate or other measure to ensure that theunit is not exposed to air containing suchimpurities.* The dividing plate should be ofnoncombust-ible material of a widthgreater than the water heater.Exhaust hoodRangeDividing plate WaterheaterCooking Equipment