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RESIDENTIAL GAS, NON POWER VENTED, WATER HEATER
SERVICE HANDBOOK
State Water Heater Technical Training Department
© 2004 Ashland city, TN
6
RESIDENTAL GAS WATER HEATER SERVICE
This portion of this manual 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 is one control on this style of water heater. The control has a main gas
regulator, pilot gas regulator, on-off-pilot knob, controls water temperature, has a temperature
adjustment knob, and a high water temperature limit safety.
(delta)
Note: The word “Hot”
may or may not be
present on the control
knob