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Can I use an Intermatic mechanical timer for a fountain pump moter?

The box says lights only. What happens if I use it for a little pump motor?

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It probably won't be a problem. Intermatic doesn't want you connecting the timer to some big motor

Posted on Jan 16, 2013


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Posted on Jan 02, 2017

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SOURCE: Intermatic timer will not turn pool pump off

If your timer is not turning off the pump its probably wired incorrectly. Check the wires on the back of timer as it should work the same as a regular light switch. They may be reversed.

Posted on Jan 26, 2009

  • 565 Answers

SOURCE: I have a rather old Intermatic Timer that I use to

There is a seller on ebay who has what you want for $22 (US) (Buy it now price).

Posted on Feb 24, 2009

  • 2005 Answers

SOURCE: pool timer not turning pump on

the timer motor brushes are worn out

Posted on May 28, 2009

  • 243 Answers

SOURCE: Bought a Intermatic sprinkler timer. need help.

reading the specs i should say its a timer for only one zone. you can use it for one zone switching or for the pump. sorry.

Posted on Feb 14, 2010

SOURCE: What timer motor fits in Intermatic ML121RT Power Pack ?

The PB912M10 timer clock motor is not sold separately. Aug 2010.
If power pack transformer still works: buy cheap plug-in timer, set power pack to override, and plug power pack into cheap timer.
With receipt, power pack might still be under warranty.
Open following link for power pack tips and resources:

Posted on Aug 23, 2011

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2 Answers

Pool pump clock

T104M used WG1573 clock motor:
The timer mechanism has metal gears, while the clock motor has plastic gears. If the metal gears get dirty and bind, it will strip the plastic gears.
Turn off power, pull timer out of box, Clean out timer with compressed air, and spray WD40, add a bit of white grease to lever where trippers make contact, then replace clock motor ... and buy another set of trippers to have on-hand since they are designed to wear down so timer will last longer.
If timer body is broken so dial does not rotate, then buy new T104 and snap new mechanism into old box. Buying whole T104 with enclosure is cheaper than buying T104M mechanism only.

May 15, 2013 | Pool & Spa

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:

2) If new pump motor is 2-speed, then converted T101P3 cannot handle 2-speed pump.
Use T106 timer, or T1906 timer:

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 need help to install pool pump to mechanical intermatic timer switch GE to replace the digital control.

Question is not clear.
Add a comment with missing information for exact wiring diagrams.
Voltage is not known.
Timer model numbers are not known.
You have two timers.
You are replacing unknown electronic timer with unknown mechanical timer.
Intermatic timers and GE timers are different companies, and each makes many different timers
Each box timer has identification on inside of timer door.
Open following links to help identify timer and see wiring diagrams.

Jul 14, 2011 | Intermatic T104 24h 208-277v Mechanical...

1 Answer

Clock dial doesn't move

You posted under Intermatic outdoor sprinkler timer.

Intermatic clock motors can be replaced.
Clock motor has identifying numbers printed on motor.
Tip mechanism out of box using thumb spring located inside box at top.

Google search for that motor number, for example WG1573 is 240V clock motor for T104 timers.

Aplus sells Intermatic clock motors:
Electric supply sells clock motors
Intermatic online store is expensive option:

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

Feb 10, 2011 | Intermatic T8845PV - Sprinkler-Irrigation...

1 Answer

I have two 220 Intermatic time clocks in a raintight box operating a pool pump and a sweep (cleaning) pump for my pool. The clock motor quit operating--it is an Intermatic WG1573 5 60Hz 3W. The front of...

1) Order 240V T100 series clock motor.

2) Order extra trippers too since they are designed to wear down so they don't damage tripper lever.
Put dab of white (bicycle) grease on the tripper lever.

3) Turn power off.
Mechanism snaps out using thumb-spring located inside box at top.
Clock motor is held with two star-screws. Buy bit at auto parts store.
Clock motor wires attach to terminals 1 and 3
Reattach terminal screws very tight against copper wire and make sure wire-insulation is not caught under screw clamp.
To re-set current time, lift and rotate dial until current time lines up with silver pointer.

4) See next generation of Intermatic pool timers that snap into same box.
New timer controls 3 separate circuits with different schedules for each circuit, so the single timer can replace both mechanical timers. Wiring is complicated, programming is complicated. I am still reading the manual, and it makes sense to me, so you can trust fixya to help in event that you replace your timers next ten years.

5) Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.


Feb 04, 2011 | Intermatic T10404R - Two 220 time clocks...

2 Answers

I have a wall-switch Intermatic Timer Model 885L that has become too stiff to turn itself off automatically. Can these be lubricated by WD-40 safely???? Or what is best fixit???

I am unable to identify Intermatic 885L

Add a comment with clear description of timer so I can identify and help.
With mechanical dial timers, once the motor begins to slow down, then motor overheats and burns out. This is true for all electric motors, and eventually all electric motors stop working.
Power pack yard-light transformers, in-wall timers and plug-in type timers are not repairable, even with WD40, because the motor has already overheated.
These timers are replaced with new timer.
However if you have a power pack, since this timers is expensive, you can buy cheap plug-in timer, set power pack to override, and then plug power pack into cheap timer.

With direct wire mechanical box-type timers that are used for parking lot lights and pool pumps, for example T100 series 120V and 240V timers, the clock motor is replaceable. These small motors cost $16 to 60 depending on clock.

Again, add a comment with clear description of timer so timer can be identified for certain.
I can also post the manual if available, and post links to sellers of similar/same timer if replacement if necessary.

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

Jan 31, 2011 | Intermatic Hardware & Accessories

1 Answer

The yellow time dial has stopped turning and the auto switch cannot activate the sprinklers

If I understand correctly, the manual override does not work, and the clock dial does not turn.

It seems odd that both things would happen together. Usually the clock motor stops but the manual override still works.

Check that your timer has electricity. Check your breaker. It sounds like the electricity is off.

Does your manual override snap clean and crisp, or it it sluggish? If the manual override is sluggish, the timer mechanism may be rusted.

Snap the timer out from the box and look at the condition of the gears, and the override lever. If the timer is rusty and the manual override does not snap clean and crisp, then the timer needs to be replaced. Buy a new timer and swap out the insides without changing the box.

You might need a clock motor

Snap out the mechanism and get the number off clock

Intermatic site shows pages of clock motors: They are priced high, but cheaper than new timer.

Aplus supply sells assortment of Intermatic clock motors.

To search these pages quickly for your clock numbers, use browser Find (Click edit at top of bowser, click Find)

Intermatic has a page with manuals:
Open page, click plus next to timers and scroll down to sprinkler and irrigation timers
It's good to have the manual on hand in case the product is discontinued

Nov 09, 2010 | Intermatic R8806P101C -...

1 Answer


If clock does not rotate the dial then Intermatic mechanical timers will not turn ON-and-Off.

The problem could be 1) no voltage to timer 2) bad timer 3) bad clock motor

1) No voltage
First thing to check on any timer is the manual override
If the manual override turns the load (or sprinklers) on-and-off, then your timer has power
Next check the breaker to make sure it is not tripped
Check your GFCI receptacles if timer happens to be on one of those circuits
Stand on dry boards, tape tester lead to wood stick to keep hands away from power, Use tester inside timer and test each screw terminal to bare ground wire, or test black wires to white wires to see if any power shows inside box.

If the manual override seems stiff and sluggish, the timer may be bad

2) Bad timer
Timers that sit outside get rusty and dirty
Click manual override to see if it clicks crisp and new
Next, turn off power and release timer mechanism using metal spring located at top >>> tip mechanism out of box and look at the metal gears >>> are they rusty or are they clean >>> spray a little WD-40
Does it look like the tripper pins are caught on the tripper lever? Does it look like the unit is too rusty for the clock motor to click manual override on-and-off?
You can buy a new Intermatic timer of the same type and simply exchange insides without changing out the whole box

3) Bad clock motor
Clock motors go bad
The wheel stops turning.
Clock motor is located on back of timer mechanism > it has identifying markings
If everything else on timer checks out, then you can order a new clock motor

Up-vote if this information helped. Thanks for the feedback.

Oct 18, 2010 | Intermatic R8806P101C -...

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