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  • Intermatic TN311C 120 Volt Heavy Duty Grounded Timer
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Intermatic TN311C 120 Volt Heavy Duty Grounded Timer


List Price: $20.46
Price: $12.75 & FREE Shipping on orders over $35. Details
You Save: $7.71 (38%)
Only 3 left in stock.
1 Pack
  • 3 ON/3 OFF settings per day
  • Controls 120V air conditioners
  • Controls any heavy-duty load up to 15 Amps
  • 3-prong grounded plug
  • Manual override switch
14 new from $8.95

There is a newer model of this item:


Frequently Bought Together

Intermatic TN311C 120 Volt Heavy Duty Grounded Timer + Intermatic TN311 15 Amp Heavy Duty Grounded Timer
Price for both: $22.98

Buy the selected items together


Product Details

Size: 1 Pack
  • Product Dimensions: 3 x 5 x 7 inches ; 6.4 ounces
  • Shipping Weight: 7.2 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B00002N5FO
  • California residents: Click here for Proposition 65 warning.
  • Item model number: TN311C
  • Average Customer Review: 3.9 out of 5 stars  See all reviews (146 customer reviews)
  • Amazon Best Sellers Rank: #18,910 in Home Improvement (See Top 100 in Home Improvement)

Product Description

Size: 1 Pack

Product Description

Highlights: 15 amps resistive 1750 watts 3 on/off settings per day For air conditioners and other heavy electrical loads Grounded plug Manual override

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.

Customer Reviews

A 24 hour cycle isn't 24.
Merkabastars
I use this to turn on my air conditioner before I go to bed every night and it works great.
Jonathan L. Connor
Six months later it is working just fine.
Daniel J. Comfort

Most Helpful Customer Reviews

43 of 43 people found the following review helpful By EasternOregon Old Tom on March 9, 2010
Size Name: 1 Pack Verified Purchase
I've had this timer a couple months now and it works perfectly. It is very accurate and easy to use. I'm very pleased with it. I've had several other models in the past and this is the best of the bunch by a wide margin. UPDATE: 6/2/11: I've used 2 of these every day for 18 months now and have had no problems. They both still work perfectly.
UPDATE 2/24/13 : Still working perfectly after 3 years.
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43 of 49 people found the following review helpful By T. Agoston on March 4, 2005
Size Name: 1 Pack
This unit lasted about one winter. Too much heat was generated at the point where the male power plug (from the space heater) attached to the timer's female plug. Reportedly, excess heat can be generated if the plug is not inserted fully. But even when the plug is inserted fully and flush with the female plug, the male plug can work its way out gradually. In this case, the plastic case melts slowly and the unit stopped working -- which is better than having a fire. Separatelly, I find the pins to be very inconvenient and easily misplaced. Intermec has a superior model which had sliding tabs instead. [Intermatic TN811C Programmable Lamp and Appliance Timer.] That said, for the cheaper price, I'll be buying another unit.
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16 of 17 people found the following review helpful By Kevin Falcone on December 27, 2009
Size Name: 1 Pack Verified Purchase
I'm sure this product works some of the time, but ours worked for 24 hours and then never worked again. At first I thought we put the pins in wrong, but it actually stopped updating the little clock. I ended up returning it and spending $4 more for something that sounded like it might actually work.
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18 of 20 people found the following review helpful By Richard Klamann on July 22, 2006
Size Name: 1 Pack
I own 2; one quit after a month, the other continues to work after 1+ years. At least these timers are quiet, even when they work ;-)
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18 of 21 people found the following review helpful By Howard Mcpherson on May 4, 2007
Size Name: 1 Pack
I bought two Intermatic Time-All Model No. TN311 from True Value Hardware in Moab, Utah. I tried to use them last night but they didn't work. The circle does not revolve so that the off and on settings don't advance and do anything. All they did was to get hot so I unplugged them after an hour. I was afraid they might cause a fire. I went back to the store today and they opened a new package. I asked them to plug the new ones in while I left the store for about an hour. When I came back they gave me two of them (my original two or the two new ones?) and said to try them out but that if they didn't work properly they would give me an upgraded version. The two the store gave me today also don't work. The store said there were no safety recalls but I know they did not check on this. The items were used with a 3 prong grounded outlet. The circle can be turned by hand so that none of them are frozen into position. Apparently the motor in them is defective, missing, or not connected. All of the timers will turn off and on a lamp if the circle is turned by hand.
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7 of 7 people found the following review helpful By Joe G on April 25, 2011
Size Name: 1 Pack Verified Purchase
I purchashed 3 of these timers ..... 2 of them do not shut off light... always on, except for a brief time when the finger is toggeling to the off mode, then light goes back on. Something not functioning right internally, so these are going back for replacement. Hope the new ones work. I have a couple of "old" ones been turning on the fish tank lights for 15 years reliably and are the same brand.
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5 of 5 people found the following review helpful By Dennis E. Talasco on March 22, 2011
Size Name: 1 Pack Verified Purchase
I've bought 2 of these exact same ones, one is still working & the other one went bad after
3 or 4 years so that seemed reasonable.
This one i just got yesterday from amazon doesn't work. The dial turns but it gets stuck
at the pins. I noticed another reviewer had the same problem so I'm here to buy another brand.
UPDATE: After i wrote the above I took the unit and kept spinning the dial to loosen it up.
I plugged it back in & found it WOULD now turn on but not OFF. So i repeated spinning the dial over & over & finally, now it's working properly.
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5 of 5 people found the following review helpful By Avery on October 26, 2008
Size Name: 1 Pack Verified Purchase
I used this product all summer with an air conditioner hooked up to it. Since it accepts 3-prong plugs, it was exactly what I needed. The timer works perfectly as well and saved a lot of energy.
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