Rheem GHE100-350 - Water Supply Connections; Installation Checklist

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A. Water Heater Location
❑ Close to area of vent.
❑ Indoors and protected from freezing temperatures.
❑ Proper clearance from combustible surfaces observed and water
heater not installed on carpeted floor.
❑ Air supply free of corrosive elements and flammable vapors.
❑ Provisions made to protect area from water damage.
❑ Sufficient room to service heater.
B. Water Supply
❑ Water heater completely filled with water.
❑ Water heater and piping air vented.
❑ Water connections tight and free of leaks.
C. Gas Supply
❑ Gas line equipped with shut-off valve, union, and sediment trap/drip
leg.
❑ Approved pipe joint compound used.
❑ Soap and water solution used to check all connections and
fittings for possible gas leak.
❑ Gas Company inspected installation (if required).
D. Relief Valve
❑ Discharge line run to open drain.
❑ Discharge line protected from freezing.
E. Venting
❑ All pipe connections are secure (at blower, vent terminals and for
each pipe joint connection)
❑ Vent terminals mounted properly and in correct location.
F. Condensate
❑ Condensate trap installed and primed.
Installation Check List
TABLE 2
For U.S. Installations
Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressures of
0.5 psig or Less and a Pressure Drop of 0.3 Inch Water Column
Based on a 0.60 Specific Gravity Natural Gas; If 1.5 Specific Gravity L.P. Gas is used, multiply capacity by 0.63
Nominal Internal
Iron Pipe Size, Diameter
Inches Inches
10 20 30 40 50 60 70 80 90 100 125 150 175 200
1/2 .622 132 92 73 63 56 50 46 43 40 38 34 31 28 26
3/4 .824 278 190 152 130 115 105 96 90 84 79 72 64 59 55
1 1.049 520 350 285 245 215 195 180 170 160 150 130 120 110 100
1 1/4 1.380 1,050 730 590 500 440 400 370 350 320 305 275 250 225 210
1 1/2 1.610 1,600 1,100 890 760 670 610 560 530 490 460 410 380 350 320
2 2.067 3,050 2,100 1,650 1,450 1,270 1,150 1,050 990 930 870 780 710 650 610
2 1/2 2.469 4,800 3,300 2,700 2,300 2,000 1,850 1,700 1,600 1,500 1,400 1,250 1,130 1,050 980
3 3.068 8,500 5,900 4,700 4,100 3,600 3,250 3,000 2,800 2,600 2,500 2,200 2,000 1,850 1,700
4 4.026 17,500 12,000 9,700 8,300 7,400 6,800 6,200 5,800 5,400 5,100 4,500 4,100 3,800 3,500
Length of Pipe, Feet
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Maximum Pipe Capacity for Installations in Canada,
refer to CAN/CSA B149.1.
For Natural Gas see Tables A.1 to A.17
For Propane (LP) Gas see Tables B.1 to B.12