Question about Intermatic T104R 208-277Volt 40-amp Timer Switch-Double Pole / Single Throw

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Our intermatic pool pump timer is brand new and is running backward. we bought a second timer and it is also running backward. We had an electrician come out and he can't figure it out either.

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You need to check the line voltage being supplied to the timer. It is possible that you have a reversed neutral and common (hot) line providing power to the timer. It is also possible to have another reverse situation with the way the timer is hooked up to the device it is controlling.

Timer motors should only operate in one direction, but if mis-wired, they can operate backwards.

I would need more information about the exact installation you have in order to provide a more thorough diagnois and solution. Info such as is this a 220V-AC installation; is the timer hooked to more than one (1) device (pump, etc.) ; Is there a GFCI breaker on this circuit (there should be!) ; Is this a new installation or a refurbished pool with a new pump & timer?

Please use the "comment" button to supply me with the info requested so I can better address your issue.

Thanks!

Posted on Sep 10, 2009

  • BOB BENNETT Jul 28, 2014

    It's a 220V-AC circuit, no GFIC breaker (getting one) only the pump is hooked up to the timer. I bought it a year ago but only had it installed a month ago by a licensed electrician. It worked fine for a while and then stopped. I can hear the motor clicking, but the dial doesn't turn. I'm thinking about taking the timer out and fooling with the mechanism

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1 Answer

Intermatic pool timer instructions


Timer is not identified. Do you have control center that controls heater, pump etc, or individual timer that controls pump?
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html
http://waterheatertimer.org/pdf/How-to-operate-and-set-T104-timer.pdf
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html
Add a comment.
Is this a new installation? Or did timer work before and stop working? What voltage are you working with?

Jun 24, 2013 | Intermatic Hardware & Accessories

1 Answer

Can i change the model T101P3 timer from 110 to 220?


1) Yes. Change clock motor from WG1570 to WG1573
Wiring is same as T102 timer:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T102
http://waterheatertimer.org/How-to-replace-Intermatic-clock-motor.html

2) If new pump motor is 2-speed, then converted T101P3 cannot handle 2-speed pump.
Use T106 timer, or T1906 timer:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#2-speed
http://waterheatertimer.org/How-to-wire-T1906-Intermatic-timer.html#pool

3) New T106 or T1906 timer mechanism will snap into T103P enclosure without changing boxes.
Any intermatic timer will snap into Intermatic enclosure.
Other brands of timer can adapt to Intermatic enclosure using Tork IAP adapter bracket.

Mar 10, 2013 | Hardware & Accessories

1 Answer

I want to know how to set the time on my swimmimg pool timers


Hello Gerhard
1) Unknown brand name pool timer, probably Intermatic:
Unknown if this is mechanical timer, or digital, or remote control, or air activated. Or if this is control center with circuit breakers and multiple timers to control heater, and pool pump, or if unit has firemans switch to turn pool heater off 20 minutes before pool pump, or if unit has freeze protection thermostat, etc
http://waterheatertimer.org/pdf/How-to-operate-and-set-T104-timer.pdf
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#pool

2) For Tork:
http://waterheatertimer.org/Tork-Pool-timers-and-manuals.html

3) Jan 2013.
Add a comment with model number or attach photograph and add any other information available for best possible answer based on specific product.

Jan 02, 2013 | Hardware & Accessories

1 Answer

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.
http://waterheatertimer.org/GE-timers-and-manuals.html#15306
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html

Aug 21, 2012 | Hardware & Accessories

1 Answer

Why is my timer runnung backwards


Timer is not identified.
Analog timers have clock motor.
If the gears strip out, then timer can run backwards.
Some timers have replaceable clock motors, such as Intermatic and Tork box timers, and pool timers.
http://waterheatertimer.org/How-to-replace-Intermatic-clock-motor.html
While small plug in timers generally do not have replacement parts.
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

Jul 19, 2012 | Hardware & Accessories

1 Answer

Pool time switches pool on, but off does not trip off, and can't do it manual. When I push it on off, the pool pump tries to stop but continutes running. Have to use breaker box.


Model number of timer is not known.
Is this new installation? Or installation that worked before and recently stopped working?
If the manual override lever on timer does not turn Load on-off, then 1) wiring is wrong or 2) timer has gone bad or 3) pump has a short.
I suspect a short since you say the pump 'tries to stop running.'
Copy following links for troubleshoot walk-thru, and correct wiring:
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timers.html
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html

Jun 28, 2012 | Intermatic T104 24h 208-277v Mechanical...

1 Answer

I have had a T103 running my pool pump for the last several years. All of a sudden the timer would switch on but not off. It was like the dial did not have enough torque to force it to switch and would...


1) T103 is 120Volt timer that can control multiple loads and different voltages..
If new timer dial stops turning after the tripper passes, then wiring from circuit breaker is probably reversed with wiring going to pump.
Open following link to identify correct wiring:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T103

2) Add a comment for specific help with wiring, and I will respond.
Give details of pump voltage, and description of each wire.

3) To fix old timer, Replace 3-watt, 120Volt WG1570 clock motor.
Open following link for illustrations showing how to replace clock motor:
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html#clock

4) Take a moment and rate answer:
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

Sep 05, 2011 | Intermatic T103 Indoor 120-Volt 40-amp...

1 Answer

My pool sweep had been doing fine. Now the new pump seems to be dragging as if it is running on half power and the sweep crawls slowly. The pump gets hot and shuts off. The pool filter pump on the left...


My opinion is that new pump is defective.

You posted under Intermatic pool timer.
The timer will not have any effect on the new pump overheating.

Insufficient wiring can cause new pump to overheat.
However if wiring is undersized, and/or if both pumps are turned ON at same time, the circuit breaker would get hot and trip.

Instead of the breaker tripping, your new pump is getting hot, and turning off.
Remember, any pump that slows down and overheats is getting damaged.
Replace the defective pump.

Feb 28, 2011 | Intermatic T10404R - two 220 time clocks...

1 Answer

Changing Pool Timer


As long as you get a new timer that is 220/240v and is the same amperage or larger, you should be fine. Wiring would be the same.

Jul 07, 2009 | Intermatic & Indoor/Outdoor Rain Tight...

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