Question about Intermatic T101 - 24 Hr. Dial Time Switch - NEMA 1 Indoor Steel Case - Gray

1 Answer

If the little gray box has no trippers, the dial does not rotate,and the lever is on, is electricity being conducted to my water heater?

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  • Intermatic Master
  • 5,245 Answers

Maybe yes.
Open TP valve on water heater and see if heater has hot water.

If you want to test, then test across wires on terminals 2 and 4 for 240Volt. Test across terminals 1 and 3 for 240Volt.

To fix timer, buy new WG1573 240Volt clock motor.
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html

Gene
h

Posted on Oct 10, 2013

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Posted on Jan 02, 2017

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SOURCE: i HAVE AN iNTERMATIC t100m TIMER it appears to

Yes, the T101M 120Volt pool timer requires both ON and OFF trippers:

Grainger sells T100 series on-off trippers:
http://www.grainger.com/Grainger/INTERMATIC-Timer-Tripper-2E054?Pid=search
Amazon sells T100 trippers
http://www.amazon.com/dp/B003YO2C5U/?tag=picc-20

Grainger sells the T100 125V clock motor
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi

How to wire T-101 120Volt timer
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T101

How Intermatic dial timer clock works.
Clock motor rotates dial.
Intermatic clock motor, located on back of mechanism, are replaceable
Trippers located on outer edge of dial push on-off lever
ON tripper pushes lever one direction
OFF tripper pushes lever opposite direction.
Lever pushes electrical contacts together and pulls contacts apart.
When lever moves, manual override also clicks back and forth with audible click.
To replace timer, replacement snaps into box without needing to changing box.
geno_3245_170.jpg

Posted on Dec 11, 2010

SOURCE: My Intermatic T104 stops cold

Timer is repairable. Override lever is not replaceable part.
The timer dial is moved by the 240Volt WG1573 clock motor
Buy clock motor. And buy new trippers.
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html
http://www.grainger.com/Grainger/INTERMATIC-Time-Clock-Motor-1PNK2?Pid=search
http://www.grainger.com/Grainger/INTERMATIC-Timer-Tripper-2E054?cm_sp=IO-_-IDP-_-BTM_BTB05209020&cm_vc=IDPBBZ2

Posted on Aug 14, 2011

  • 5245 Answers

SOURCE: Water heater timer...HELP

Copy following links for illustrations and information:
http://waterheatertimer.org/Photos-of-WH40-timer.html
http://waterheatertimer.org/pdf/How-to-operate-and-set-T104-timer.pdf
Add comment as needed

Posted on May 02, 2013

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1 Answer

Intermatic T101 timer


T101 timer is strictly 120Volt timer
Wiring and manual show on following link
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T101

See another image of wiring:
http://waterheatertimer.org/images/T-101-control-120V-Load-450.jpg

Amazon sells T101:
http://www.amazon.com/Intermatic-T101-Hour-Dial-Timer/dp/B00002N5FN

If timer is not functioning, add a comment.

Grainger sells 125V clock motor and tripper for T100 series timers.
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi
If manual override does not turn Load ON, and the lever snaps crisp and clean, then check electric circuit. Check if load is operable.
If override does not snap crisp and clean, then timer may be worn out.
If dial does not rotate, replace clock motor.
If dial rotates but does not click override back and forth, then replace trippers.

How T101 works:
Lift and rotate dial until current time lines up with silver pointer
Clock motor rotates dial.
ON-OFF trippers attached outer edge of dial contact a lever.
ON tripper pushes lever one direction.
Off tripper pushes lever opposite direction.
Lever opens and closes electrical contacts.
Lever also pushes manual override lever back and forth with audible click.
geno_3245_196.jpg

Dec 28, 2010 | Intermatic & Indoor/Outdoor Rain Tight...

1 Answer

I HAVE AN iNTERMATIC t100m TIMER it appears to have two "off" tripper levers but no "on" tripper lever attached to the clock face dial by a set screw . Do I need an "on "...


Yes, the T101M 120Volt pool timer requires both ON and OFF trippers:

Grainger sells T100 series on-off trippers:
http://www.grainger.com/Grainger/INTERMATIC-Timer-Tripper-2E054?Pid=search
Amazon sells T100 trippers
http://www.amazon.com/dp/B003YO2C5U/?tag=picc-20

Grainger sells the T100 125V clock motor
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi

How to wire T-101 120Volt timer
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T101

How Intermatic dial timer clock works.
Clock motor rotates dial.
Intermatic clock motor, located on back of mechanism, are replaceable
Trippers located on outer edge of dial push on-off lever
ON tripper pushes lever one direction
OFF tripper pushes lever opposite direction.
Lever pushes electrical contacts together and pulls contacts apart.
When lever moves, manual override also clicks back and forth with audible click.
To replace timer, replacement snaps into box without needing to changing box.
geno_3245_170.jpg

Dec 10, 2010 | Intermatic T101 - 24 Hr. Dial Time Switch...

1 Answer

HOW DO YOU TURN THE LITTLE GREY BOX OFF COMPLETELY? HOW DO YOU BY-PASS THE GREY BOX?


The timer is a 24 hour type, designed specifically for use with electric water heaters.The simplest way to keep the water heater on 24 hours a day is to remove the "trippers". The "trippers" are the movable black and silver metal clips that are held on the edge of the time dial with thumbscrews. Unscrew the thumbscrew on all the trippers and remove the tripper for the time dial.

Just below the time dial, you'll find the manual switch lever. On some models, it pokes through an opening on in the door / front cover - on others it can only be operated by opening the door. Move this manual switch lever to your choice of on or off position. The switch will not longer be operated automatically - and will stay in the position you have chosen until you or someone else changes it.

Please rate this reply - good luck!

Dec 07, 2010 | Intermatic WH40 - Water Heater Time Switch...

1 Answer

Don't know what is it used for,and how it operates?I don't have any instructions for it.


You posted under T101 timer.
Most box timers have model number and instructions pasted on inside of door.
Instructions can seems a foreign language sometimes.

If your timer is different than T101, then add a comment with timer number.
I have extensive files on timers.

Box timers are generally used for heavy amperage loads like outdoor lights, swimming pool pumps, water heaters, parking lot lights and lighted outdoor signs.
They are surface mounted near breaker box, or in attic or basement, or garage.
Box timers are used in schools to ring bells, and inside factories to run processes and fans.
Some are complicated electronic devices used to control machines with one second precision.
Mechanical box timers are noisy when turning on-off, so are generally not installed in living area of house.

T101 timer is least complicated of any timer.
It is used for ordinary household 120V circuit.
Timer has 120Volt clock motor, and controls 120Volt circuit.
For example 120Volt water heater, or 120V grow lights, or aquarium, or any application up to 2 horsepower, for example timer can be located inside garage to control outdoor lights.
T101R is raintight outdoor box, with rubber gasket on door that seals tight when closed.
Raintight boxes are installed outdoors to operate 120Volt spas and pool pumps.
When box timer is rated for indoor, there is no rubber gasket on door, and that box is called NEMA 1 enclosure.
My local Lowes sells T101 T103 T104 > and each is for slightly different purpose and each wires differently.
Link below shows wiring and manuals for T100 series timers.
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T101

Here's how T100 series timer works:
Lift and rotate yellow dial until current time lines up with silver pointer.
Clock motor rotates dial as time passes.
Clock motors are accurate for years, but current time has to be reset after power outage.
ON-OFF trippers are placed on outer edge of dial.
Trippers push a lever, and lever turns circuit on-and-off.
ON tripper pushes lever one direction.
OFF tripper pushes lever opposite direction.
Each time lever is pushed, manual-override lever clicks back and forth with audible sound.
geno_3245_125.jpg

Dec 01, 2010 | Intermatic T101 - 24 Hr. Dial Time Switch...

1 Answer

Timer will not turn water heater ON at set time, has to be done manually. However, it will turn water heater OFF at set time.


If this is new installation, check wiring. Hot and Load wires might be reversed.
Check that ON OFF trippers are both attached to yellow dial.
http://waterheatertimer.org/How-to-wire-WH40.html

If timer worked fine before, and started missing recently, then tripper pins probably worn out.
Trippers contact mechanical lever, and push lever on-and-off.
Trippers are softer metal and designed to wear out before lever.
If lever is worn out, timer needs to be replaced, but try new trippers first.
Buy trippers at Grainger
http://www.grainger.com/Grainger/INTERMATIC-Timer-Tripper-2E054?Pid=search
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi

How WH40 timer works:
Clock motor rotates dial.
ON-OFF trippers on dial contact lever.
ON tripper pushes lever one direction.
OFF tripper pushes lever other direction.
Lever moves electrical contacts together, or pulls contacts apart.
When lever moves on-and-off, manual override lever also snaps back and forth with audible clicking sound.

Using q-tip, add touch of white grease to lever where trippers contact.

geno_3245_110.jpg

Nov 25, 2010 | Intermatic WH40 - Water Heater Time Switch...

1 Answer

I having troble with my t103 timer to turn the lights on manualy i try to set the timer but for some reason doesn't work what can i do ???


T103 Intermatic timer has 120Volt clock motor and can control 120V or 240V Loads.
Wiring for timer is shown on following link:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T103

Troubleshoot T103:
1) Manual override is working correctly, and it snaps crisp and clean, and Load turns on-and-off.
That means timer is basically good.

2) Next look to see if yellow dial is rotating.
If dial is not rotating, then 120Volt clock motor needs to be replaced.
Take photo of wiring and mark wires before starting.
Remove two white wires connected to screw terminals 1 and A.
Snap timer mechanism out of box, clock motor is on back of timer.
Use small star screwdriver to remove old clock motor.
Reattach white wires on terminals 1 and A, tighten screws very tight.
Reset current time: lift and rotate dial until current time lines up with silver pointer.
Grainger sells 125V clock motor:
http://www.grainger.com/Grainger/INTERMATIC-Time-Clock-Motor-1PNK1?Pid=search

3) If dial is rotating, but gets stuck at certain times, or runs slow, then replace clock motor.

4) If dial is rotating, and trippers are attached to dial, but timer does not turn ON, then trippers are worn down and need to be replaced.
Grainger sells the T103 trippers
http://www.grainger.com/Grainger/INTERMATIC-Timer-Tripper-2E054?Pid=search

5) How Intermatic mechanical timers work:
Dial with ON-OFF trippers is rotated by clock motor.
Trippers on dial contact ON-OFF lever.
ON tripper pushes lever one direction.
OFF tripper pushes lever opposite direction.
Lever moves electrical contacts on back of timer that turn Load ON-OFF.
Manual override lever clicks back and forth with each ON-OFF action.

geno_3245_85.jpg

Nov 20, 2010 | Intermatic T103 Indoor 120-Volt 40-amp...

1 Answer

How do I reset the time needle on my intermatic modle t101 The screw was loose and the needle move so


T101 Intermatic is 120Volt electro-mechanical timer

Silver pointer is located at 6:00 position.
Tighten the center screw with star screwdriver
Lift and rotate yellow dial until current time lines up with silver pointer.

geno_3245_71.jpg

How electro-mechanical timers work:
Place ON-OFF trippers on dial.
Trippers rotate around with passing time.
Trippers encounter on-off lever.
OFF tripper clicks lever one direction.
ON tripper clicks lever other direction.
Manual override lever clicks back and forth each time on-off lever is clicked.
How to wire T101:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T101


geno_3245_72.jpg

Nov 16, 2010 | Intermatic T101 - 24 Hr. Dial Time Switch...

1 Answer

Help! I can't get the water heater to go on! I KEEP TRYING to set the dial, but it's not working


If I understand correctly, you have the WH40 water heater timer.

If timer dial will not rotate, then use manual override to turn on circuit to water heater.
If manual override will not move back and forth, the tripper pin might be wedged against the lever.
Lift and rotate dial out of way.
If manual override does not click back-and-forth, then timer is probably bad.
If manual override clicks, but water heater does not turn on, then check electricity.

If you need more help, post a comment and I will respond

Oct 28, 2010 | Intermatic WH40 - Water Heater Time Switch...

1 Answer

The timer is used on an Electric Point of Use 2.5 water heater. Currently I get hot water only about two hours in the evening. Before it was --on demand. I opened the timer box and one of the timer box"...


No overcharges here Ms bernarda

If I understand correctly you have Intermatic timer with a yellow dial
You have the Intermatic timer hooked to a small 2-1/2 gallon point-of-use water heater
Your point-of-use water heater is working fine
The timer turns on the water heater once a day instead of twice a day

And it seems like one of the tripper pins has fallen off the yellow dial
The tripper pin is missing and you can't find it or put it back.
You can turn off the electricity and poke around the bottom of the timer box and see if tripper pin can be pulled out using tweezers
Do you know Grainger sells Intermatic tripper pins for $1.67 plus shipping?
http://www.grainger.com/Grainger/INTERMATIC-Timer-Tripper-2E054?Pid=search

Now, if this is not the right answer, you post a response and we can probably help

Oct 21, 2010 | Intermatic T101 - 24 Hr. Dial Time Switch...

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