Question about Intermatic & Indoor/Outdoor Rain Tight Timer

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I've got an Intermatic T104 (240v). It's been running fine for years.\r\n\r\nThe other morning, I noticed the pump not running. I checked the timer. \r\n The timer wheel was jammed against the Off tripper tab. I removed the On/Off tabs and set the timer wheel to 12:00. I checked the gear movement in the view port and they were turning. I checked the timer wheel a couple of hours later and found it was showing 10:00. I recycled the power. No change. I measured voltages and Line reads 224vac and switching the manual on/off to on, the Load reads 224vac. The timer seems to be keeping good time, just backwards. There have been no other electrical problems in/around the house/pool. Any ideas? regards, dale Houston, TX

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Maybe the jammed pin tore up the plastic gears on the timer clock. You can buy the clock for around $16


Buy a new T104 or T104R (rain tight) at Lowes or Grainger ... and swap mechanisms without changing box

Posted on Sep 23, 2010


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Intermatic t101

99% chance the Timer wires are reversed ... and line from breaker and line to pump are reversed. Or remotely possibly the circuit is 240V, and somebody changed clock motor on old T101 from WG1570 to WG1573, converting old T101 into T102...
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May 14, 2013 | Hardware & Accessories

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Can't get timer to work. Wires R red, blue,green. Is red hot, blue neutral?

You should've fixed your Intermatic timer for $20 with new clock motor or trippers.

GE 15306 is 120Volt timer.
You probably have 240Volt power to pump.

Copy following links to help solve problem, and repair the Intermatic timer so you can return the GE for refund at Home Depot.

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Hi - My Intermatic T101P3 timer motor stops after it turns off the pool pump. I have one start and one stop time in a 24 hr period. I have to manually start the pump at the timer in the morning,...

Sounds like the clock leads are on the wrong posts, or at least the hot one is. If if was moved to the load side then manually starting the timer will also power up the clock motor. As soon as the clock trips the off timer, the pump and the clock motor are both off. Examine the clock leads to the wiring diagram inside the clock box cover to ensure they are connected correctly. I bet you'll find one of the wires is misplaced.


Aug 31, 2011 | Intermatic T101P3 Pool Timer IndoorOutdoor...

1 Answer

I returned from vacation last night and noticed all four of my coach lights were off. I thought...the timer needs to be reprogrammed due to a power outage while I was away. The red indicator light was...

1) You performed correct troubleshoot steps down the line.
Last thing would be to install defect timer on another light circuit in house, and see if problem is the timer or wire going to coach lights.

2) EJ351C has 1 year limited warranty.
Buy new EJ351c and install single pole light switch until timer replacement is available.
Timer has easy 2-wire installation. Turn off power. Connect new timer just like old one was connected. Either timer black wire connects to either wire in switch box.

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1 Answer

My Tork 1101 24 hr timer has stopped working. I hear it running, but the clock will not turn. I have to turn it on and off manually for my pool pump. This happened 2 years ago, then the following year...

You might need $45 clock motor for for Tork 1101 120Volt.

Open following link to identify timer and see replacement clock motor and trippers:

Intermatic crossover shows T101 timer replaces 120Volt Tork 1101.
Amazon sells new Intermatic timer for $45 with super shipping

Crossover wiring from Tork to Intermatic:
Black wire on Tork L and 1 connect to Intermatic terminal 1
White wires on Tork X connect to Intermatic terminal A
Black wire on Tork 2 connects to Intermatic terminal 2

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Jun 04, 2011 | Vacuums

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Intermatic t104p3 pool timer will turn pump ""ON" with Manual Switch but will not shut "OFF" using Manual Toggle. Pool store showed me how to remove and look at the contacts on...

Thank you for including model number so answer can be accurate as possible.

T104P3 timer works with manual override so timer is basically sound.
Clock dial rotates and keeps good time, so WG1573 240Volt clock motor is good.
Trippers do not click on-off lever, so trippers are suspect.
Trippers are made to wear down so that timer mechanism lasts years longer.

Order extra clock motor and trippers at Grainger

See wiring diagram:

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Feb 18, 2011 | Intermatic & Indoor/Outdoor Rain Tight...

1 Answer

My pool pump timer - intermatic, model #T104R3. was running fine. but 2 weeks ago we noticed it stopped clicking on. then we noticed it was running counterclockwise. is there a way to change it to run...

replace it, I would get the same brand cuz they are so reliable and simple to use. if you need help hooking it up just give me a holler. not sure how u do it tho so

Aug 07, 2010 | Intermatic & Indoor/Outdoor Rain Tight...

1 Answer

Once T101 Timer Shuts Off will not turn back on

you have the hot and load reversed. the power source should connect to terminal 1. the wire going on to the pool pump should be hooked to terminal 2.

the clock motor is powered off terminal 1 and A is the neutral.

what u have done is hooked the power source to #2 and the load to #1, simply switch them and everything should be fine, here is a link to the wiring diagram for the timer.

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