Every time we run hot water anywhere in the house the hot water tank will cycle on. even if the water is run for only a few seconds. would like to know if this is normal or adding to the high cost of our electric bill. the tank was just installed in november of 2008 in a newly constructed house.
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Re: heating element cycling on and off fairly often
Yes, unfortunelty elextric water heaters do cycle a lot. They are a little bit different from gas water heaters, in the fact that they run differently and seem to run out of hot water faster, then gas water heaters. Just make sure, that the thermostat is set at 120 F. The thermostat will be behind a panel, and under the electrical wire connections. You will have to use a flathead screw driver, to change the temp. settings, if they need changing. Also, make sure that once a year, that you flip the Pressure relief valve to equalize the pressure and to drain at least 2 gallons of water out of the tank.
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Whether your water heater runs on gas or electricity, it needs a controller to cycle theheat on and off, or the water in the tank would either be stone cold or ... If the buttongoes in and stays in, the thermostat should start working again. ... Screw in a new element, reconnect the wires, refill the tank and turn the power back on.
Oct 4, 2013 - Uploaded by electronicsNmore
AFTER you establish that there is power being supplied to thewater heater .... When the water is cold in the tank the top element will come on first, heating the ... is overly hot and then notice no hot water check the reset button.
Shut off electricity to heater.
Shut the water valve.
Drain heater to below the level of the element, open hot water valve in house to vent heater to speed draining.
If the element is on top, you don't have to empty the heater.
Remove old element, install new element.
Leave hot water valve open somewhere in the house.
Turn water on.
Once air is removed at hot water valve, turn electric on.
Shut water valve.
probably has a bad heating element. May be a little limed up also. Drain the heater and replace the elements. Take a special tool to remove and replace the elements. ( fairly cheap) You can probably get the elements and parts at a good hardware store. The people at the store probably will explain to you how to replace them. Feedback please if this was of help
You can eliminate the shower control knob possibility by turning on your hot water anywhere else in the house. If you get hot water in other places, then it could be the knob causing it. A substantial lime buildup in the tank can also cause poor heat transfer from the elements to the water.
If on a well, you can install a regulating valve in the line to help with this problem. You may have to play with the valve a little to find the right pressure to avoid those highs and lows. I installed a Bosch A125 and had this problem from the start. A little research un-earthed the regulating valve (I think around $25 at Lowe's or Home Depot) and we have had even hot water ever since.
How they work. First you need to know that cold water goes into the tank near the bottom (because of the "dip tube" inside the tank) and hot water is taken out at the top. Also hot water naturally rises. so... when the tank is full of cold water the top element will come on and heat up the top 1/3 of the water then the bottom element will come on and finish heating the rest of the tank.
so... set them both at the temperature you want the water to be... about 120^F.
You are correct. That is the way most of the two eliment water heaters work, one eliment at a time. Make sure that the two thermostarts are set at the same value. Have you tried just making the water hotter, so that the hot water will not be used at such a fast rate, when mixed with the cold? Also draining the sediment from the bottom of the tank with increase the water capacity,of course.
It is time for a New Water Heater.....But there are a few steps you can take to "TROUBLE SHOOT" the situation. There is a Drain Valve at the Bottom of the Water Heater. You may have a build up of ....gunk...at the bottom of your water heater, if you have a floor drain in a basement or some way for the water to drain, than you can carefully loosen the drain at the bottom of the tank to FLUSH the tank.....The other option will still reqiure draining the tank and replacing the heating element.. My best Solution is to make sure the bottom of your Mobile home is Insulated Properly From the Wind and Elements. Even Bails of Hay stacked around your Foundation Can be VERY Effective.....MOSTLY THOUGH I THINK IF YOU DRAIN THE TANK AND REPLACE THE HEATING ELEMENT, your problem will be over, With proper Insulation under the Mobile. This has worked for me a few times..... Hope it helps.....Joe