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GE 15207 wiring

GE 15087 wiring

How to wire GE 15132 indoor/outdoor programmable water heater timer

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Compare 16 electric and 2 gas  water heater timers
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GE 15132 programmable water heater timer
See Close-up
GE 15132 Timer
Timer safe for 1 residential water heater.
See GE 15132 manual
See large image

See 15132 at Home Depot



Step 1:
Remove screws on face to access wiring.
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Set dip switch before connecting power.

Manual says that incorrect dip-switch setting will damage timer.



dip switch Step 2: Dip switches

GE 15132 timer can be used for 120V or 240V water heaters > simply change dip switches to select different voltage.

Water heater voltage is printed on side of water heater. Match dip switches and water heater voltage.

Figure Volts Amps Watts for your water heater

Review basic 240V water heater circuit
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Use romex connector where wire enters box
Step 4: Wiring features

Four basic features inside 15132

1. Dip switches
2. Screw terminals for clock
3. Screw terminals to contactors
4. Contactors/relays that handle on-off switching to water heater
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Step 5a: 

Wiring diagram for 240V water heater. Both white and black wires are hot.

Use 10 gauge wire for 240V water heater

GE 15132 timer is housed in plastic box
Ground wire is not connected to box
Ground wire travels continuously from breaker box to water heater.


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Step 5b: 

Wiring diagram for 120V water heater. The black wire is hot, the white wire is neutral.

GE 15132 timer is housed in plastic box
Ground wire is not connected to box
Ground wire travels continuously from breaker box to water heater.
See Larger image of instructions

GE 15132 instructions
See Larger
Step 6: How to set timer

See 15132 manual




GE 15132





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