State Industries GSX - Manual (Page 9)

9
This portion of this handbook applies to the Operations and Servicing of Residential Gas, Tank Type, Water
Heaters, which are vented atmospherically and use a thermocouple as their electrical source.
Control: There are two gas control valve/thermostat confi gurations available. Both valves have similar control
elements such as the Gas Control Knob & Water Temperature Dial. Both valves have high water temperature limit
safety. Please note the location of the control elements on the following fi gures.
Hot Water
Outlet
Cold Water
Inlet
Draft Hood
Flue Baffle
Anode Rod
Foam Fill
Hole
Draft Hood
Temperature-Pressure
Relief Valve
Dip Tube
Flue Baffle
Gas Control Valve
/Thermostat
Drain Valve
Anode
Rod
Flue
Tube
Jacket
Temperature Probe
/High Limit Probe
Gas Control Knob
On|Pilot|Off
Water
Temperature
Dial
Water
Temperature
Dial
Gas Control Knob
Off|Pilot|On
Setting Indicator
(Index Bar)
Thermal Switch
Wire Leads
with Connectors
(some models)*
Reset
Button
Robertshaw®
Gas Control Valve/
Thermostat
White-Rodgers®
Gas Control Valve/
Thermostat
Gas Supply- Inlet
Gas
Supply
- Inlet
*NOTE: Some models do not have thermal switch wire leads as shown in this figure.
** Manifold Gas Pressure Taps are located on the underside of the gas control valve/thermostat.
**Manifold Gas
Pressure Tap
**Manifold Gas
Pressure Tap
BASIC INSTALLATION & OPERATION
Figure 2