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Timer does not move, can you give me some info on that. It is a Electric Water heater TImer that I am using to turn on and off a lighted outside sign. It is installed indoors. The power is on and we can turn it on manually. Thanks Jill Ponozzo

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I would first check to see if the time clock is rated for 240 volts It sounds like you may have a 120 volt timer

Posted on Sep 30, 2010


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If the timer light is on (light is red) does that mean the timer is ON or OFF?

Copy following link for Wh21 manual, troubleshoot walk-thru, and replacement tripper identification.
The red light is a power indicator, and this indicates that timer has 240Volt (208-250Volt) power available, but does not indicate if water heater is ON or OFF.

Aug 12, 2012 | Electric Intermatic Wh 21 Water Heater...

1 Answer

Have a Intermatic Water heatr timer connected to our water heater (obviously)... yesterday we drained and repostioned the w/h in order to place a drain pan under it. hot water. Believe we may have...

Timer is not identified.
Open following link to help identify timer and download manual and look at wiring diagrams for each.
By-pass WH40 and T100 series mechanical timer by removing trippers from dial and moving override lever to ON position.
How to troubleshoot mechanical timer:

Water heater is electric since Intermatic does not make gas water heater timers.
Electric water heater must be completely full of water before turning on circuit breaker, or elements will instantly burn out.
Test electricity and water heater elements:

Jun 20, 2011 | Intermatic Hardware & Accessories

1 Answer

Have been in our home for 25 years. Paragon 4001-00 is located at top of stairs, right outside of our bedroom, and we have no idea what it controls. No lights come on automatically, either outside or...

Find the circuit breaker that operates the timer.
Turn off that breaker.
Open the timer box.
Disconnect black wire from terminal 1 screw, and put wire nut or plastic tape over end of wire.
This will stop the timer, and then you can see what the timer is used for by watching what is not working.
Is the timer connected to a water heater?

If timer is connected to water heater, move black wire that was connected to terminal 1, and connect it with wire on terminal 2. This will by-pass the timer, and the water heater will be on all the time.

If you need new timer that makes less noise, then buy electronic timer.
Paragon 4001-00 is simple 120V timer, so replace with Intermatic EH10 120V electronic timer.
Amazon sells EH10:

Please add a comment for more detailed information.
I have extensive knowledge of these timers, and can help.

Also 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.

Mar 01, 2011 | Paragon 4001-00 24-hr Timer Control 120v...

1 Answer

I have a General Electric timer on my water heater. For some reason it has stopped working. How do I override the timer. It is less than a month old?

1) GE timers don't have override switch, but if you raise all the timer segments, the circuit to water heater will be completed.

2) Open link below to identify timer and see wiring diagram, and wiring instructions.

3) Override timer using the wires:
Take a photo of wiring so you can re-wire correctly on new timer.
There is 1 black and 1 white Line wire coming from the breaker.
And 1 black and 1 white Load wire going to water heater.

Connect black Line and Load wires together on same terminal.
Connect white Line and Load wires together on same terminal.
This will complete circuit to water heater and by-pass the timer.

4) Buy new timer at Home Depot.
Reconnect wires on new timer.
Return defective timer in new box.
Keep new timer clean, and swap out whenever needed and give yourself extended warranty.

5) This is the first report of GE timer going bad that I've seen on Fixya.

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 12, 2011 | General Electric GE 56941 24-Hour Outdoor...

1 Answer


You want spring-operated 30 minute countdown timer for 240Volt electric heater.
You don't say how many watts your heater is.
Answer is longer without knowing watts.

1) As you know, you can turn off any 240Volt circuit by turning OFF one hot leg.
People are skeptical when working with 240 V and believe both hot wires have to be turned OFF.
But you know the heater needs both hot wires. Disconnect one hot wire and see.
240V water heater thermostats operate in this way ... they turn OFF 1 hot wire.

2) Intermatic FF30 and FD30 series timers can directly turn off 1 leg of 240Volt 2500 watt heater.
Max 2500 watt, no more.
This Intematic timer is rated for wattage shown. With other brands, check the rating.
Amazon sells FD30 30-minute

3) Intermatic also makes DPST timer if you want to turn OFF both hot wires
Aplussupply sells FF and FD Intermatic timers, and 30-minute DPST model FD430M
The rating is same as shown above.

4) If your wattage is greater than 2500 watts, then you need to install a 30amp contactor with 120Volt coil. Timer turns magnetic coil on-off, coil opens and closes contacts that turn heater on-off. You can use any ordinary light-weight wall timer with a contactor.

5) Following page gives you information for installing a contactor to handle 240Volt loads up to 5500 watts.
Pages show how to wire, where to buy, what to buy.

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 26, 2011 | Hardware & Accessories

1 Answer

There is a light on the outside of timer should it stay on all the time

1) WH21 manual does not say if indicator lights up when Load is ON. That says indicator lights up when timer has power.
2) Flip manual control to reverse program and see if light stays on or goes off.

3) GE15207 water-heater-timer has two different indicator lights. One is ON when timer has power. The other is ON when Load has power. But GE timer has NO and NC terminals.

4) The reason I answered this question is that folks have problems wiring timers and then ask questions trying to piece together why timer is not working.
5) If timer is not functioning as expected, read below, or add a comment with details about your wiring.

6) Wiring WH21
240V circuits have 2 hot leads.
Hot leads from breaker connect to center terminal and to left terminal.
Leads going to Load (water heater) connect to center terminal and to right terminal
If you have leads from breaker and leads to Load reversed, timer will not function except when manual control is switched ON.
In this case, reverse wires on right and left terminals.

Dec 02, 2010 | Electric Intermatic Wh 21 Water Heater...

1 Answer

I have a Paragon model 4004-20 Water Heater Timer and I moved the TIME arrow. Now the water heater is not working at all. I am thinking of just restoring full time power to the water heater. I did not...

You are not supposed to move the time arrow.

4000 series time arrow is pointed at 8:00.
To set current time, lift and rotate dial clockwise until current time lines up with pointer.
Put X2772 trippers on dial at times you want water heater to turn on.
Minimum on-off with Paragon 4000 is 1-1/2 hours because trippers are so fat.
You can replace 4000 timer with electronic timer and control exact on-off down to the minute:

Electric water heater heats about 21 gallons of water per hour.
Shower uses 6-9 gallons hot water.
Bath uses 10-12 gallons hot water.
Average water heater that is not connected to timer, runs about 3 hours a day. You can make timer pay off by keeping time schedule lower than 3 hours.

Following link shows how to figure cost for electric water heater:

Following link shows several ways to save with water heater, plus general information to save money long-term:

Nov 21, 2010 | Heating & Cooling

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?

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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