Question about Intermatic INC ET104C 24 HOUR ELECTRONIC TIME SWITCH 30 amp

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My et 104c intermatic timers problems are wont shut off randomly

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Is this your device: "30 amp Controls indoor/outdoor lighting 4 - on/off settings each day To the minute programming 1 HP at 120V 2 HP at 240V 120 thru 277 volt input 3 year user replaceable battery back up Double pole switching Mount indoors Lockable steel enclosure"

If this is your deivce, it is not suppose to shut off randomly - rather, it has 4 on/off settings per day. You select the times and the clock does the rest.

Thanks for your interest in

Posted on Aug 30, 2010


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Posted on Jan 02, 2017


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After a battery change, my timer ET100C flashes 1-h8. What is the cure?

Try resetting timer.
Small round hole located just below the display... use paper clip and push and hold for 5 seconds... then reprogram timer
If functionality is not restored, then replace timer.


Water Heater Timers Save Money

Feb 27, 2015 | Intermatic 10 Amp Mechanical Indoor Timer

1 Answer

Utilitech 2 outlet timer - 0155671

Each outlet has same on-off programming.
Utilitec does not make 2-channel timer.... and neither does any other consumer timer company... unless you buy a box timer like Intermatic ET 1100 or 1800 series etc 2-4-6-8-12 channel timers.

To have 2 different programs from same outlet, then buy 2 bar timers that both fit same outlet, and then program each to suit need.

Many bar timers are 24-hour instead of 7-day.


Sep 22, 2013 | Hardware & Accessories

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I was wondering if the dual outlets can be program individually? For example, both start a 6am but one end at 8pm and the other one at 10pm. Thanks

No. Woods does not make 2-channel timer.
Nor is this feature available through Intermatic wall timers, GE wall timers, Leviton, Swilight, UPM, Tork, Westinghouse, Westek, Utilitec, maplin, Stanley, Brinks, Timex, Kichler, Hagar, First Alert, sylvania, Aube, Honeywell, coleman, HPM, etc etc.
However, you can buy narrow timers like Westek TE22, also similar sold by Brinks... and 2 different timers can plug into same duplex outlet... letting you control 2 different loads from same outlet... by using two timers: usually this type timer is sold as 2-pack
There are also box timers, like Intermatic ET series, that can be programmed for 2-channel operation where same timer controls two different loads, each with different weekly or daily schedule ... Intermatic PE153 offers 3-chanels, and there is one timer, ET90000 that can be programmed for 40+ channels with 4000 set points and 365 day calendar for each channel etc
Tork also offers multi-channel box timers.

Aug 04, 2013 | Woods Hardware & Accessories

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How to wire a 240 volt salt water chlorinator to an intermatic 1725c timer

T104 and ET1725 are wired differently since ET series timers have dry switching terminals. Dry terminals receive no power when timer is energized. So ET series timers require jumper wire.
Here is crossover wiring:
More resources:
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May 13, 2013 | Intermatic Hardware & Accessories

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Bonjour je veux changer l'heure sur modele intermatic et70215c envoyer document en francais merci,

1) Je ne parle pas fran?ais.
J'utilise google translate.

2) J'utilise navigateur add-on: IMtranslator
s?lectionnez le texte dans le navigateur, puis cliquez sur IMTranslate

3) paragraphes copier et coller du manuel.
coller du texte dans Google Translator
Traducteur utiliser pour aider avec le manuel
traduction n'est pas parfaite, mais il sera probablement assez bon

4) Je sais comment programmer le ET70215C
Je peux vous aider
»ajouter un commentaire" et il m'envoie e-mail
garder question simple et courte

5) aussi
contacter Intermatic
Intermatic est hors ligne le samedi et le dimanche

May 05, 2011 | Intermatic ET70215C Electronic Energy...

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