American Water Heater AHCG/HCG3 60T 120 - AHCG3/HCG3 100T 250 Water Heater User Manual


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53
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MANIFOLD GAS
PRESSURE
TEST PORT
SUPPLY GAS
PRESSURE
TEST PORT
GAS VALVE / VENTURI ASSEMBLY TOP VIEW
199,000 & 250,000 Btu/hr MODELS
VENTURI
COMBUSTION
AIR INLET
GAS
VALVE
COMBUSTION
BLOWER
CONNECTION
Figure 59
MANIFOLD GAS
PRESSURE
TEST PORT
SUPPLY GAS
PRESSURE
TEST PORT
GAS VALVE TOP DETAIL VIEW
199,000 & 250,000 Btu/hr MODELS
Figure 60
GAS VALVE / VENTURI ASSEMBLY SIDE VIEW
199,000 & 250,000 Btu/hr MODELS
VENTURI
LOW GAS
PRESSURE
SWITCH
SUPPLY GAS
CONNECTION
GAS
VALVE
COMBUSTION
AIR INLET
Figure 61
LIGHTING THE WATER HEATER
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ON
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MANIFOLD GAS
PRESSURE REGULATOR
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GAS VALVE TOP VIEW
120,000 & 150,000 Btu/hr MODELS
MANIFOLD GAS
PRESSURE TAP
1/8’ NPT PLUG
SUPPLY GAS
PRESSURE TAP
1/8’ NPT PLUG
INLET
OUTLET
ON/OFF
SWITCH
Figure 57
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GAS VALVE SIDE VIEW
120,000 & 150,000 Btu/hr MODELS
MANIFOLD GAS
PRESSURE TAP
1/8’ NPT PLUG
SUPPLY GAS
PRESSURE TAP
1/8’ NPT PLUG
BOTTOM OF TEE
1/8” NPT
TEE FITTING
GAS VALVE
OUTLET
ON/OFF
SWITCH
LOW GAS
PRESSURE
SWITCH
Figure 58
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