0078275000261

Intermatic

Model T104MD89

Internet #100016924

Store SKU #700763

T100 Series 40 Amp 208-277-Volt DPST 24 Hour Mechanical Time Switch Mechanism

$54.00 /each
  • 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

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Product Overview

Intermatic is dedicated to providing energy conscious solutions and this heavy duty time switch mechanism is designed for industrial, commercial and residential applications. It has the highest motor load rating in the industry. It is equipped with on and off trippers and can be installed in almost all Intermatic enclosures.

  • Provides up to 12 on/off operations per day with minimum on/off times of 1 hour
  • 5 HP Rating
  • For general purpose use - Lighting, pool heaters, air conditioning, fans, pumps and much more
  • Manual override
  • 40 Amps resistive per pole
  • Mechanism only
  • CSA certified

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Customer Questions & Answers

12 Questions21 Answers

Customer Questions & Answers

T100 Series 40 Amp 208-277-Volt DPST 24 Hour Mechanical Time Switch Mechanism
T100 Series 40 Amp 208-277-Volt DPST 24 Hour Mechanical Time Switch Mechanism

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3 answers

WILL THIS REPLACE A T104R

This question is from T100 Series 40 Amp 208-277-Volt DPST 24 Hour Mechanical Time Switch Mechanism
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PEORIA, AZ
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March 14, 2016
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Home Improvement Profile: DIYer
August 11, 2016
Answer: 
NO at first I thought this was a t104 this timer only has 1 set of contacts and if A BIG NO NO on a 230 volt setup. this style was deigned for 110 volt ! do not use this timer for 230 v applications ! use the T104
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March 15, 2016
Answer: 
Yes, this will replace a T104R.
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March 15, 2016
Answer: 
Yes, this will replace the mechanism inside the T104, T104R, T104P, T104PCD82, and T104P3.
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3 answers

Does this item include the timer motor

This question is from T100 Series 40 Amp 208-277-Volt DPST 24 Hour Mechanical Time Switch Mechanism
Asked by
Dallas, TX
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September 23, 2015
I've read where you can change just the timer motor. The timer motor is mounted on the back. My timer motor is Model# WG1573-5. I want to change both the T104 Time Switch Mechanism AND the timer motor.
Is this product BOTH the Timer Switch Mechanism (T104) AND the timer motor (WG1573-xzy)?
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Home Improvement Profile: DIYer
August 10, 2016
Answer: 
Three ways to buy this complete,timer board or just the motor.. motors are for the T104 115volt wg1573 or for hi voltage 230v is the Wg2573
soo yes the motor is included on just the board only item, also comes with new trip tabs.
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Asked by
Kissimme
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October 27, 2015
Answer: 
Yes it does.
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September 24, 2015
Answer: 
Yes, the T104MD89 is the entire replacement timer mechanism, which does include the motor/geartrain assembly.
T104 is a complete timer in an enclosure; the mechanism without a motor is not available thus has no model number.
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3 answers

How to I determine if this is a match for the pool pump and cleaner motors I need it for?

This question is from T100 Series 40 Amp 208-277-Volt DPST 24 Hour Mechanical Time Switch Mechanism
Asked by
Dallas, Texas
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March 12, 2015
I have a pool pump and a booster pump that are dual voltage (115/230). I was told that I needed a timer that ran on the same voltage. I also was told that dual voltage pumps are normally set at 230.

Is this timer a match for my pumps or is there some other criteria I should use in selecting one?
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Asked by
Daytona Beach
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June 18, 2015
Answer: 
Look at the timer you have now and compare it to the photo on this page.
if it has screws and wires connected under the #3 and #4 positions it is a 220/230 timer
By the way the photo on this page is actually a 110/115 volt timer :)
Most pumps have the ability to be connected to either 115 or 230, they don't use both.
230 is preferred, especially if the pump is a far distance from the meter.
inside the
Read More
Look at the timer you have now and compare it to the photo on this page.
if it has screws and wires connected under the #3 and #4 positions it is a 220/230 timer
By the way the photo on this page is actually a 110/115 volt timer :)
Most pumps have the ability to be connected to either 115 or 230, they don't use both.
230 is preferred, especially if the pump is a far distance from the meter.
inside the motor is a way to connect it for 115 operation.
Most pools have 2 breakers: A two pole (20A/30A)for the pump/timer(220v), and A single(15A/20A) for the light(115v).
Some shade tree electricians can hook up a 115 timer on one leg of the 220 circuit, this works but is unsafe.
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Asked by
Maurice, LA
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April 14, 2015
Answer: 
Yes, this timer is rated for 230V. Just make sure your pumps are set the same.
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March 13, 2015
Answer: 
Yes, this timer is appropriate for use with a 230V pump and can be used for your application. You can also use the PE153 3-circuit electronic pool timer which has additional features and safeguards for 2-speed pumps, heater interlock ("fireman's switch"), filter/cleaner scheduling etc. and is available with a freeze guard option (PE153F). Your Home Depot representative can special order these and any Read More
Yes, this timer is appropriate for use with a 230V pump and can be used for your application. You can also use the PE153 3-circuit electronic pool timer which has additional features and safeguards for 2-speed pumps, heater interlock ("fireman's switch"), filter/cleaner scheduling etc. and is available with a freeze guard option (PE153F). Your Home Depot representative can special order these and any other of our products, if they are not stocked at their store. Details can be found on our website www.Intermatic.com Read Less
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2 answers

Will the Intermatic # t104r serve as a direct replacement for a Paragon # 1015 00 rs?

This question is from T100 Series 40 Amp 208-277-Volt DPST 24 Hour Mechanical Time Switch Mechanism
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July 31, 2016
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Home Improvement Profile: DIYer
August 10, 2016
Answer: 
it will and i think you will be happy with it, it's a great on/off timer, but this model is not made for sprinklers FYI
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August 1, 2016
Answer: 
No, this Paragon timer has a "skip a day" feature and is multi-voltage. You could use the T1975R (120v) or T1976R (208-277v) which do have the skip-a-day feature and captive trippers like the Paragon. Note these timers are single-voltage, so choose the model for the voltage the timer is controlling. These are typically not stocked, but can be ordered from Home Depot.
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Customer Reviews

Rated 4.6 out of 5 by 35 reviewers.
Rated 4.0 out of 5.0 by pool pump timer I actually haven't installed this yet, but have used the same timers for decades in industrial applications, should work just fine. August 21, 2016
Rated 4.0 out of 5.0 by Timer switch for my Pool Filter This timer matches exactly with my old one which is also 220V. The old one was easy to be removed. Just make sure you mark down all the wires connecting to the old one when disconnecting the old timer. August 9, 2016
Rated 5.0 out of 5.0 by No need to remember to turn off the pump! I had replaced the motor mechanism in my timer some time back as I was advised that was likely cause of it not working. I thought it was maybe electrical, but when I changed the whole timer it works like a charm!. Easy to install in about 10 minutes. July 19, 2016
Rated 5.0 out of 5.0 by Perfect Replacement timer This was an economical solution for my pool timer that failed. This timer fits perfect in the timer case I had and saved about $45 versus buying a new complete timer. July 12, 2016
Rated 5.0 out of 5.0 by Easy Very easy to install and came with protective cover for wires May 3, 2016
Rated 4.0 out of 5.0 by Works as described Replaced my pool pump timer with this new one. Very simple to install. It just snaps right in and a few wires to connect. April 14, 2015
Rated 5.0 out of 5.0 by did the job Replaced a bad one, worked property no problems with this product March 8, 2016
Rated 5.0 out of 5.0 by Easy Installation... Product was an excellent price and was readily available at my local Home Depot. I have given this product 'excellent' ratings based on this and the ease of installation. However, only long term use of the timer will really tell whether this was a good value, or not. We will see but, as with other products that I have purchased from Home Depot, my confidence level is high! April 23, 2014
  • 2016-08-25 T13:54:39.517-05:00
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