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Water Heater Wiring Diagrams
5 Wiring Diagrams
This section provides examples of the wiring
specifications for the various Water Heater models.
Gas Only Models
Remote
Wall Switch
+12 VDC
Thermal Cut-Off
E.C.O. Switch
Gas Solenoid
Valve
Green
Red
Blue
Brown
Control
Board
Remote Lock-Out Lamp
Fixed Temp. Thermostat
Spark & Sense
Electrode
10 Gas Only Wiring Diagram
Gas/Electric Combination Models
Remote
Wall Switch
+12 VDC
E.C.O. Switch
Gas
Solenoid
Valve
Relay
Remote
Lock-Out
Lamp
Electric
Heating
Element
Electric
Gas
Brown 3
Blank 4
Spark and
Sense Electrode
Control Board
White 2
Black
Black
Green
Green 6
Green 5
Red 4
Red
Blue 3
Yellow 2
Brown 1
Thermal
Cut-Off
Fixed Temp.
Cont. Thermostat
Orange 1
115 VAC
Neutral
115 VAC Hot
-12 VDC
11 Gas/Electric Combination Wiring Diagram