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NEED TO CHANGE OUT ELEMENT

GOT TOP OFF-WHAT DOES ELEMENT LOOK LIKE

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  • Water Heaters Master
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10-31-12
Is this tank-type or tankless electric water heater?

Tank-type:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Tankless:
Generally elements are at top of tubes as shown in following illustration:
http://waterheatertimer.org/images/eco27inside.jpg

Posted on Oct 31, 2012

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My caravan carver heaters pressure relief vale keeps blowing any ideas please


Not familiar with that exact heater but if it is an electric heater with a top and bottom element this may be the problem. Electric water heaters usually heat water off the bottom element. If a lot of hot water is used then the top one kicks in through the temperature controls. In some cases if the bottom element burns out, it will try to heat everything with the top element. This sometimes causes the water in the top of the tank to actually get too hot and it opens the relief valve. So you may have a bottom element bad. Otherwise your relief vale may need replaced or you have a sticking temp control making it get too hot.

Apr 11, 2015 | Water Heaters

1 Answer

Only warm, not hot water from our tap unless I slow the tap down.


Warm water indicates a element is probally in need of replacement. For warm water only more than likely the top element is bad. If you get a burst of hot water for a little while then your bottom one is probally gone bad. Best to replace both elements when changing one out due to not being to exspensive and you have to drain it down anyway.

To change out shut water of and turn power of to water heater open hot side on a faucet to allow heater to drain down so you can change out element.

Jul 27, 2011 | Water Heaters

2 Answers

I keep having to reset the red button on the top thermostat!! does that mean the thermostat is going out should i change both or just top one?


You can replace the upper thermostat but usually when this occurs a couple of things may be at play. You may have a small leak in the water heater, especially if over 6 years old. Or you may have a bad element. (I have seen them actually split open when removed). You can reset the top thermostat and make sure the covers and insulation are in place (after checking around both thermostats for any leaks with power off of course.) and wait for the lower element to kick on, if the reset trips after the lower element comes on then probably the element. I usually take an amp reading with a snap around ammeter (about 12 amps draw when operating correctly) only one element operates at a time. Oddly enough, I have never had to replace an element on a single element water heater, only the duals. One last thought, if the tank is run completely out of hot water it can cause tripping as well such as multiple loads of laundry etc since it is operated by a thermo disk. Hope this helps.

Feb 16, 2011 | RELIANCE ELECTRIC WATER HEATER

2 Answers

I TURNED ON POWER TO MY NEW ELECTRIC WATER 40gal MODEL # GEM402 AFTER FILLING WITH WATER. WATER WOULD NOT HEAT UP. CHECKED THREMOSTATS BOTH WERE PRSET AT 120 CHECKED POWER,BOTH HOT WIRES HAVE 124 VOLTS TO...


The controls of electric water heaters are designed so that at no time are both the top and bottom heating elements energized. Nearly all electric water heaters of this capacity in the US & Canada (other places, too) operate on 240 Volts.

When the water in the tank is below the set point of the thermostat (in your case - 120 degrees), the top heating element is expected to be on - (unless there is an issue with the top thermostat or limit switch). The top most control is the "high temperature limit". It is identified by the reset button on it. Make sure this isn't tripped by depressing the button. If it clicks - it was tripped and should start to make hot water at this point. If not tripped, you should check for the presence of 240 Volts between the heating element terminal screws. Do not measure from ground to a terminal screw and believe 120 Volts is "good". To make heat, you need 240 Volts - not 120 Volts measured across the terminals - not to ground. The amount of heat created running at 120 Volts is only 1/4 of what it will do at the correct voltage.

If you don't measure 240 Volts on the top element, check the bottom element in the same manner described for the top element.

If unable to measure 240 volts on any element, either there is a problem with the power source (blown fuse or circuit breaker), high temp limit switch, or thermostat(s).

If 240 Volts is present on either heating element, and water is not warm / hot in 30 minutes or so, a defective heating element is suspect. You can change controls without draining a tank, but replacing elements will require draining the tank first. Do not power the water heater without first filling it.

You can read a very detailed "how to" article about checking water heaters here.

I hope this helps - and good luck!

Nov 04, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Have a new electric tank,top element wont come on,replaced thermostat 3 times top element comes on once but next morning not enough hot water&top element wont come on,can someone help? thanks


The top element only comes on when the heater is about out of water. The water is directed to the bottom of the tank. Cold water stays on bottom, Bottom heater element heats water. If you use all that water then the top of the tank gets cold and the top element comes. When the top of the tank is warm, then the bottom element comes on. I would susupect the bottom element as it does most of the work. If you have an ohm meter, turn off electric, and remove wires from element. Check element for continuity. If you don't get reading, then that element is bad.

Oct 04, 2010 | General Electric Water Heaters

1 Answer

No power to the bottom element


First things first, you are not supposed to have power to both elements at the same time. The top element comes on and heats the top of the tank, then the top goes off and the bottom comes on. Now, check power on the top element, put your meter probes on both screws on the element, you must have 220 to 240 volts between these two screws. If the voltage is good then you have a bad element, if the voltage is not there, then you need to check the voltage at the top 2 screws on the upper thermostat, if it is okay there, maybe the hi limit has tripped, push the reset button on the top thermostat, if it is tripped it will click and start heating right away. If the hi limit is not tripped then you will need to replace the upper thermostat.

Mar 16, 2010 | General Electric GE SmartWater Household...

1 Answer

I have change the bottom heatern and the bottom thermostat but the bottom heate do not have current even if the top heater and thermostat have current.


There will be no current to bottom element until top element shuts off. then top thermostat will send current to bottom element only after the top half of the water heater has heated up and shuts off current to top element. Only one element at a time can be on. If current still does not go to bottom AFTER top element shuts off, the top stat could be bad.

Dec 28, 2009 | Water Heaters

1 Answer

Hot water heater


Absolutely no hot water indicates the top element or thermostat on the heater. Check to make sure that you have 240 volts on the top two terminals of the top thermostat. If you do then check the top element for voltage. It should also read 240 volts between the two screws. If you have 240 volts there shut off the power, drain the heater to a point below the top element and change the top element. When the element is installed turn your WATER back on and let the air bleed out of several hot faucets in the house. When the faucets stop spitting air you can turn them off. Check for leaks around the element. If you have no leaks turn the power back on the the heater and replace the covers.

That should get you 'back in hot water' in two hours.

Mike

Apr 05, 2009 | Element Chromalox SG1353-430326 Electric...

1 Answer

Top element only working


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.

Apr 02, 2009 | Water Heaters

1 Answer

Heating elements do not operate together


That's 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

Mar 28, 2009 | Rheem 80 GAL ELEC TALL Water Heater 6YR SC...

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