A vertical water heater tank is mounted on a six-inch minimum concrete pad and secured at each leg with three-eighths-inch diameter Hilti KB-TZ2 wedge anchors having a two-and-a-half-inch nominal embedment per ESR 4266. The operating weight of each tank is five thousand nine hundred twenty-nine pounds. Piping connections include a one-and-a-half-inch drain valve, cold water inlet, three-inch NPT circulating connections, three-quarter-inch NPT thermostat fitting, and three-quarter-inch and one-inch NPT temperature and pressure valve fittings. Vertical dimensions from the top of the concrete pad to the centerline of the circulating connections measure twenty-two and seven-eighths inches and thirty হওয়ার-seven-eighths inches, with a thirty-one-inch spacing between leg supports.
22-7/8" 30-7/8" 31" DRAIN VALVE (1-1/2") COLD WATER INLET 3" NPT CIRCULATING 3/4" NPT 1" NPT T&P 3/4" NPT T&P VALVE FITTING VALVE FITTING THERMOSTAT FITTING CONNECTIONS OPERATING WEIGHT OF EACH =5929 LBS. 3/8" DIA HILTI KB-TZ2 (2.5" NOMINAL EMBED.) ESR 4266 @ EACH LEG 8" MIN TYP PROVIDE 6" CONCRETE PAD. REFER TO DETAIL 17/S-400.
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