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Old 04-07-2018, 03:21 AM
tmvngocdung42 tmvngocdung42 is offline
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Hi Ron I was wondering, What kind of timer do i buy to come on every 20 min.?

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Old 04-08-2018, 09:44 PM
GpsFrontier GpsFrontier is offline
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Hello tmvngocdung42,

A cycle timer...
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Old 04-09-2018, 07:39 PM
shillamus shillamus is offline
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The ones with the digital displays have 9 programmable on off cycles.

They also have an internal battery that saves the program

affordable push button timers only have 30 min increments at the hardware store
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Old 04-09-2018, 08:49 PM
GpsFrontier GpsFrontier is offline
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A cycle timer isn't the same thing ad a digital timer. Cycle timers don't have a limited number of on/of times. The on/of duration can vary between cycle timers but can range from seconds to hours. You set the duration of the on time, and set the duration for the off time, and the cycle timer cycles on off all day and night. However some cycle timers also have a photo cell that can be used to turn off the cycle timer at night when it gets dark, then come back on again when it starts to get light again.

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