Question about Intermatic & Indoor/Outdoor Rain Tight Timer

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I have an Intermatic Raintight Outdoor timer model # HB31 R. I need the REd and Green Trippers. How can I purchase ?? A. B.

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  • abostock Oct 14, 2010

    Thanks for your help--I have contacted your recommended source.


  • abostock Oct 14, 2010

    Thanks for your recommended solution--I have contacted the source you mentioned. A.B.



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I need trippers for an Intermatic Raintight Outdoor Timer model HB11R

1) Intermatic trippers: Buy Amazon or Intermatic store
Copy following link to identify tripper

2) Copy following link to identify Intermatic analog timers with replaceable trippers

3) Add comment and describe timer in detail, and color of tripper

Dec 10, 2012 | Intermatic & Indoor/Outdoor Rain Tight...

1 Answer

I have a timer hooked up to operate my outdoor landscape lights so that they come on around dusk and turn off at 11 pm or so. The "on" tripper which is white clicks as the timer rotates past the...

Sounds like the OFF tripper is worn down.
Timer needs to be replaced unless you have Intermatic-brand timer.

Intermatic is only company that sells plastic replacement trippers for their timers.
Except Intermatic on-off trippers are typically red-green.
It's possible your trippers faded in color.
Open following links to identify Intermatic timer and tripper:

Sep 18, 2011 | General Electric Hardware & Accessories

1 Answer

I need replacement clips to a hb31r timer, were can i find them?

I have 2 links to plastic Intermatic trippers.
I search timers each day, and have not run across a different plastic Intermatic tripper.
images on page will let you compare with your tripper:

If this tripper is correct, add a comment and help fixya community give this information to others asking same question.

If this tripper is incorrect, then HB31 tripper may not be available.
Large number of timers do not have replacement trippers.

You can also take advantage of fixya phone support.
Expert can answer your question for a price.

Dec 25, 2010 | Intermatic 24 Hour Outdoor Timer HB31R

1 Answer

Need manual to set timer

You posted under T-100 series outdoor timer
If you have different timer, add a comment with timer model number located inside cover.

T-104, T-103, T-101 timer manuals show on following page:
If your timer has R suffix, like T-101R, that means box is Raintight for outdoor use.
T-101R and T-101 mechanisms are identical except for box. T-101 box is indoor use.
Click model number and drop-down menu reveals link to manual

If you need simple wiring diagrams, and explanation for each T-104, T-103, T-101 timer:

Here's how to set Intermatic T100 series timers:
Lift and rotate yellow dial until current time lines up with silver pointer.
Silver pointer is stationary at 6 o'clock position.
Put ON-OFF trippers on dial at times you want ON OFF functions.
Minimum on-off is 1 hour because of tripper width.
If timer is not working, add a comment and we'll troubleshoot.

These timers have replacement trippers and clock motors at Grainger

How timer works:
Clock motor, located on back of mechanism, rotates yellow dial.
Trippers on dial push lever that turns power ON and OFF.
Off tripper pushes lever one direction.
ON tripper pushes lever opposite direction.
When lever is pushed, manual override lever clicks back and forth with audible click sound.


Nov 29, 2010 | Intermatic & Indoor/Outdoor Rain Tight...

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