American Water Heater ABCG3 Water Heater User Manual


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GAS PIPING












THE HEATER IS NOT INTENDED FOR OPERATION AT HIGHER







SURE THAT THE OUTSIDE VENTS ON THE SUPPLY REGULATORS



TABLE 9 - GAS SUPPLY PIPE LENGTHS (IN FEET)
MAXIMUM EQUIVALENT PIPE LENGTH (FEET)
Natural Gas Only
Input Rate


  1"  
120,000 20 70 200 200 200
154,000 10 40 150 200 200
180,000 - 30 100 200 200
199,000 - 30 90 200 200
250,000 - 20 60 200 200
275,000 - 10 50 200 200
310,000 - 10 40 150 200
366,000 - - 30 100 200
390,000 - - 20 100 200

IT IS IMPORTANT TO GUARD AGAINST GAS VALVE FOULING FROM






TO TRAP ANY DIRT OR FOREIGN MATERIAL IN THE GAS SUPPLY





THE LATEST VERSION OF THE 



-






FROM THE GAS SUPPLY PIPING SYSTEM DURING ANY SUPPLY






GAS PIPING AND DIRT LEG INSTALLATION
FIGURE 21.
PURGING


PURGING SHOULD BE PERFORMED BY PERSONS





GAS METER SIZE — NATURAL GASES ONLY





GAS PRESSURE REGULATOR














TABLE 10.
MANIFOLD GAS PRESSURE IN INCHES
OF WATER COLUMN (ALL MODELS*)
TYPE OF GAS
NATURAL

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