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Customer Reviews for Intermatic T100 Series 40 Amp 208-277V DPST 24 Hour Mechanical Time Switch Mechanism

Internet #100016924

Model #T104MD89

Store SKU #700763

  • 1 to 12 on/off operations per day, minimum on/off time - 1 hour
  • General purpose use-lighting, pool heaters, A/C, fans, pumps, etc
  • Mechanism only

Customer Reviews

  • 4.6
    out of 531 reviews
  • 94% recommend this product
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Showing 1-30 of 531 reviews
This timer is a replacement for an older Intermatic timer...
This timer is a replacement for an older Intermatic timer I had. So far it is working great!! I have another Intermatic timer that controls my outside flood lights and that timer has been going strong for about 16 yrs! I am a satisfied customer!
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Multiple duds
This timer was dead on arrival. I installed for a customer and the timer would not operate properly, turning on and off at random times. I returned for a refund and purchased another. Same issue, the mechanical/electric dial would not keep accurate time and was useless for a pool's main pump.
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3 found this review helpful
Great item Great service by employees...
Great item Great service by employees
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Very easy to replace. First one lasted 29 years so...
Very easy to replace. First one lasted 29 years so i don't think i'll need to replace this one.
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Right part. In stock. At the posted location. Fair price....
Right part. In stock. At the posted location. Fair price.
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This timer lasts about 10 years. Replaced it when...
This timer lasts about 10 years. Replaced it when it stopped working with another just like it.
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Intermatic Tiner Fail
Timer not working...gets stuck
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1 found this review helpful
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Retro Fitting
Matched up perfectly. Old pool timer with exact same mounting and wiring configuration
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The box had the right part #and the wrong part...
The box had the right part #and the wrong part inside
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2 found this review helpful
Just right timer switch. replaced old one for pool,...
Just right timer switch. replaced old one for pool,
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Excellent timers and simple to install....
Excellent timers and simple to install.
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Great replacement at a good pri e
Perfect replacement
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  • Recommended
Works great but doesn’t last long. Maybe two years...
Works great but doesn’t last long. Maybe two years
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Relatively easy to assemble. The hiccup was having to wire...
Relatively easy to assemble. The hiccup was having to wire the two timers (pool pump, booster pump) but the directions were clear on how to do that. However I suggest taking a picture of the previous set up first!
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Exactly what I wanted....
Exactly what I wanted.
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Rating provided by a verified purchaser...
Rating provided by a verified purchaser
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Rating provided by a verified purchaser...
Rating provided by a verified purchaser
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Worked fine for about 3 weeks and then quit working....
Worked fine for about 3 weeks and then quit working.
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1 found this review helpful
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Rating provided by a verified purchaser...
Rating provided by a verified purchaser
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Easy install - SHUT OFF POWER - working perfect...
Easy install - SHUT OFF POWER - working perfect
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Easy installation, works as it is supposed so far....
Easy installation, works as it is supposed so far.
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Showing 1-30 of 531 reviews

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