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Item GS 100 GS 200 GS 300 GS 400 GS 500 GS 600
Gas Pressure
Natural Gas min "wc/mbar
Natural Gas max "wc/mbar
Propane min
Propane max
Min free air opening in/cm 13/33 23/58 35/89 47/119 59/150 71/180
Input BTU's
Max 140,000 280,000 420,000 560,000 700,000 840,000
Min GSTC 45,000
Direct vent min 60,000
Gas Piping Size in/cm 1/2/1.3 3/4/1.9 1/2.5 1/2.5 1.25/3.2 1.25/3.2
"BH" Vent
XX X XXX
"B" Vent
XX X XXX
"BH" Exhaust Piping in/cm 3/7.6 4/10.2 5/12.7 5/12.7 6/15.2 6/15.2
4/10.2 5/12.7 7/17.8 7/17.8 8/20.3 8/20.3
Appliance Category
I or III I or III I or III I or III I or III I or III
Full Weight In lbs./kg 416/188 588/266 954/432 974/441 1340/607 1360616
Empty Weight In lbs./kg 266/120 354/160 485/217 529/239 659/298 703/318
User level password
Water consumption (25% bd)
Gallons/litres 433/1639 866/3278 1300/4921 1733/6560 2166/8199 2600/9842
Tank Water Volume
Gallons/litres 18/71 29/111 58/221 55/210 84/320 81/309
Fill valve flow rates
To tank: Gallons/litres
To float chamber: Gallons/litres
Supply water pressure
Min. psi/kpa
Max. psi/kpa
Drain rate (includes D.W.C)
Gallons/Litres per minute
Min drain pipe size in/cm
Power supply requirements
120 volts a/c
208-240 volts a/c 1PH
XX X XXX
Steam Outlet size in/cm 1.75/4.4 3/7.6 3/7.6 4/10.2 4/10.2 4/10.2
0.09/0.35
5.2/20
1 to 1.5 / 2.5 to 3.8 OD or larger
Transformer Required
30/206
80/551
0335
2.64/10
14/34
9/22
10/23
GS Quick Reference
5/14