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  • Intermatic TN311 15 Amp Heavy Duty Grounded Timer
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Intermatic TN311 15 Amp Heavy Duty Grounded Timer

| 72 answered questions

List Price: $15.40
Price: $13.39 & FREE Shipping on orders over $35. Details
You Save: $2.01 (13%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
1-Pack
  • Heavy duty grounded timer
  • Up to 3 On/Off settings per day
  • 3 wire grounded plug and receptacle
  • Plugs directly into the wall
  • Manual override feature
30 new from $6.50 2 used from $7.99
$13.39 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

Intermatic TN311 15 Amp Heavy Duty Grounded Timer + AcuRite 00613A1 Indoor Humidity Monitor
Price for both: $23.37

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Special Offers and Product Promotions

Size: 1-Pack
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Product Details

Size: 1-Pack
  • Product Dimensions: 3.2 x 3.2 x 3.2 inches ; 6.4 ounces
  • Shipping Weight: 6.4 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • Origin: Mexico
  • ASIN: B005MMSTNG
  • Item model number: TN311
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (633 customer reviews)
  • Amazon Best Sellers Rank: #234 in Home Improvement (See Top 100 in Home Improvement)

Product Description

Size: 1-Pack

Product Description

This energy saving heavy-duty grounded timer plugs directly into the wall and controls 120-Volt air conditioners, heaters and any other heavy-electrical load up to 3 ON/3 OFF settings per day. Rated for loads up to 15 Amps resistive and 1750 Watts tungsten.

From the Manufacturer

This energy saving heavy-duty grounded timer plugs directly into the wall and controls 120-Volt air conditioners, heaters and any other heavy-electrical load up to 3 ON/3 OFF settings per day. Rated for loads up to 15 Amps resistive and 1750 Watts tungsten.

Important Information

Wattage
1750.00


Customer Questions & Answers

Customer Reviews

I'm definitely returning this one.
Konstantinos Christidis
It was very easy to set, and has worked reliably as an on/off timer for grow lights.
Alex
This is a solid, quality timer that I expect to use for a very long time.
wrenSF

Most Helpful Customer Reviews

119 of 123 people found the following review helpful By Swissmiss on November 21, 2011
Size Name: 1-Pack
I've been using these timers for about 10 years now and have never replaced them. I am looking to purchase additional timers for more holiday lighting, however, I was disappointed to learn both Home Depots in my town had discontinued these and replaced them with a not-so-user-friendly brand. I was so pleased to see Amazon selling them. The other brand works, but they cannot compare to Intermatic. The Intermatic are easy to use, precise and reliable. I have never had a problem with them, in fact, I have been using them to turn on and off a variety of July 4th, Halloween and Christmas decorations throughout the year inside and outside my home including multiple light strands wrapped inside and outside my barn, around trees, around lamp posts, wreaths, garland, reindeer and other ornamental lighting. They're so easy to set. You can set up to three occurences by just moving around the little clips at the appropriate start and stop times. The little notch on the wheel grabs the clip and turns it on, then spins around and turns it off at the next clip. If you want to bypass the timer settings, there is a little knob to turn it on manually. I've always used the timers with name brand heavy duty extension cords from the home improvement stores. Never a blown circuit or plug or timer! And these timers are turning on and off a good amount of electricity. I can't say enough good things about this timer. Thanks for offering these Amazon.
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78 of 81 people found the following review helpful By MyBeesWax TOP 500 REVIEWERVINE VOICE on April 7, 2012
Size Name: 1-Pack
I've had the Intermatic Timer for MANY years and it has worked very reliably for me. I set it to turn on and turn off the lamp in the morning. It automatically turns on the lamp when I wake up and turns off the lamp after I leave for work, so I don't have to worry about leaving the lights on unnecessarily.

It comes with 4 pins -- 2 green and 2 red. The green pins turn on the lamp (or any electrical device plugged into the unit) and the red pins turn it off. To work the timer, the time will have to be set by rotating the dial. Next, Find the point on the dial for the desired time the device should be turned on and push the green pin in. Similarly, place the red pin at the desired time.

Pros
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- Simple interface allows you to quickly set the start and stop times.

Cons
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- The time you set is approximate only. You can get within about +- 5 minutes.

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If you don't need precision, the Intermatic works very well. If precision is important, get the digital version of the Intermatic timer.
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48 of 48 people found the following review helpful By Rusty on February 23, 2012
Size Name: 1-Pack Verified Purchase
This is the only timer model I've ever purchased that has not eventually failed on me. I have owned several different outlet timers from several different manufacturers over the years. One by one they have all failed and been replaced by one of these. I am now using this timer exclusively, for the sole reason that these are the only ones that have never needed to be replaced.

Simply put, they are solid and long-lasting. If you don't need better precision or more settings than this model provides, then this is the one you should get, hands down.
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56 of 66 people found the following review helpful By Longtime Amazon Fan on September 10, 2012
Size Name: 1-Pack
I can't believe no one else has mentioned this, and maybe I just got a bad one, but the motor that turns the timing wheel got quite loud after about 3 months. I'm currently looking for a suitable replacement. It would be OK in an area where you never spend any time, but forget about using it in your living space. This timer's high amperage rating is it's only outstanding feature. The "current time" window is a tiny little thing with even smaller numbers and line markings which I find very difficult to read, and the green and red timing pegs will only give you appoximate on/off times. Unfortunately it's the only high amp timer of it's kind I could find. Still looking for a high amp digital timer.
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15 of 15 people found the following review helpful By Teh Arbitrageur on October 28, 2012
Size Name: 1-Pack Verified Purchase
This is an excellent item, and I say this without reservation, because it meets *all* of my requirements -- and hopefully yours as well. Controls up to 1475 Watts, three on/off cycles per day, fully-grounded, and best of all, no superfluous electronics. This is the old mechanical type that last decades. I can't imagine a better AC Timer.
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19 of 21 people found the following review helpful By Amazon Customer on July 25, 2012
Size Name: 1-Pack Verified Purchase
Being 100% off-grid doesn't mean you have to sacrifice the creature comforts. Thus, we have two refrigerators and a chest freezer. The draw back? How much they suck (power) when they don't need to. The answer? Three of these little timers (with added on/off doohickeys). Instead of me running around turning off power strips and forgetting which one I cycled last, I put these in and have cut their run times an average of 60% leaving me plenty of extra power. The little power these timers draw is well offset by the power savings on the reefers.
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17 of 20 people found the following review helpful By MCB on December 30, 2011
Size Name: 1-Pack Verified Purchase
This is a pretty basic timer, but it works great. Insert a peg when you want it to power on and another when you want it to power off. The only issue I could foresee is if someone needs a very accurate timer. Since you're inserting pegs into predefined slots, it's hard to tell if you're setting it at an exact time. So if you need something to come on at exactly 10pm, it may actually not be activated until 10:10. If you just need it to come on at a general time, this will do the job nicely.
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