Question about Camco Copper And Zinc Standard Hwd Water Heater Screw-in Fold Back Element

1 Answer

Hot water recover time

Everything is working on my hot water heater I was just wondering could I replace my 3800w 240 volt standard type elements with fold back type and what are the pro's and con's of doing so, also will this help with hot water recover time?

Posted by Jean Pitre on

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Gene Haynes

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No.
Fold-back elements are low-watt-density, so element does not burn out as easily since heating is spread across more surface area. But recovery remains 16 gallon per hour.
20 amp breaker and 12 gauge wire: max 3800 watts
30 amp breaker and 10 gauge wire: max 5800 watt.
4500 watt element heats 20 gallons per hour.
http://waterheatertimer.org/How-to-replace-water-heater-element.html
http://waterheatertimer.org/Increase-amount-of-hot-water.html
Instead of changing elements: Set thermostats higher so more cold is added to hot water, and then you have more hot water available inside tank.
Gene

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Posted on Jan 05, 2014

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1 Answer

Them hot water tank what size elements do I need to replace? Any help would greatly be appreciated


Standard screw in type 240 volt Original is 3500 watt, you could step up to 4500 without an issue.

Jan 03, 2017 | Water Water Heaters

1 Answer

Should I have power at both elements all the time?


Push circuit breaker fully off and then fully ON
Test for 240 volt across top twp screws on upper thermostat.
If tank was not full of water when breaker was turned on, then upper element burned out.
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html#new

Yes both elements will test for 120 volt to ground at all times... but it takes 240 volt to heat element
http://waterheatertimer.org/Element-tests-for-120-Volts.html

Gene


Water Heater Timers Save Money

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Mar 14, 2015 | Reliance 50 Gal. Electric Water Heater...

1 Answer

Rheem 81V-400 water heater/VERY SLOW HOT WATER !


Could be a number of things. The first thing to do is to verify that you are getting 240 volts at the upper thermostat, and right on the element terminals. Let me know if you do, and we'll go from there.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/craig_3fa289bf857b1a3c

Dec 01, 2012 | Water Heaters

1 Answer

I replaced all parts but water heated won't get hot


You have electric water heater.
You replaced elements and thermostats but heater still won't work.
And tank was completely full of water, and water was running out of a faucet before turning power ON.
If elements are not fully immersed in water, they will instantly burn out.
If upper element is burned out, then tank will have NO hot water.
If lower element is burned out, and upper element is not burned out, then tank will have some hot water.
http://waterheatertimer.org/How-to-test-water-heater-element.html
http://waterheatertimer.org/How-it-works.html

If elements did not burn out, then that leaves 1 main suspect: the electricity.

1) Push in ECO red reset button on upper thermostat. If ECO is tripped out, then heater will not work.

2) Click circuit breaker all the way one direction and then back the other direction to make sure breaker is latched.

3) If tank has 2 elements, then it is 240volt.
If 1 leg of 240Volt circuit is not working, then 240V appliance will not work.
240Volt circuit needs both hot wires to complete the circuit:
http://waterheatertimer.org/How-to-wire-EH40-hot-water-heater-timer.html#120-240

Buy cheap multimeter from Home Center and set dial to 240-250-277VAC
Tape tester leads to woods sticks to keep hands away from power.
Power is ON
Test across top 2 screws on upper element should show 220-240 volts.
If you have 240 at top two screws, then skip down to step 6.
If no reading across top two screws, then move to top of tank.

4) Open connection point where wire connects to heater.
Test across both insulated wires should get reading of 220-240 volts.
If no reading, move to circuit breaker box.

5) Mark water heater breaker.
Turn off all breakers except water heater breaker and main breaker. (and breaker to light fixture where box is located)
Do not hold or touch or lean against anything metal.
Stand on dry boards and wear dry clothes.
If main breaker is OFF, the big wires that connect to main breaker are still HOT.

Remove box cover.
240Volt breaker has 2 wires connected with screws.
Test across both screws for 240Volt.
See if wires are loose.
If there is no reading, then breaker is not working on one leg.
To double check, move water heater wires to another same-size 240V breaker and then put ear against water heater to listen for bubbly-fizzing sound.

6) If you are getting 240 to water heater, then wire inside tank could be loose.
Do 30 minute troubleshoot:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, fixya expert speaks with you over phone while you work on timer.

Jan 09, 2011 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Water is not hot, doesn't last long. Thermostats turn elements on when turned up. Elements show 230 when on.


Lower element can be burned out and still read 230V across screws

1) We know thermostats are working because elements test 230V.
2) We know upper element is working because tank has some hot water.
If upper element is burned out, tank will have no hot water.
http://waterheatertimer.org/How-it-works.html

3) Here's how to test lower element:
http://waterheatertimer.org/How-to-test-water-heater-element.html

4)Here's how to replace element
Rheem element is 4500Watt bolt-in type
http://waterheatertimer.org/How-to-clean-sediment-out-of-electric-water-heater.html

5) Rheem manual says: Heaters furnished with standard 240 volt AC, single phase non-simultaneous wiring, and 4500 watt upper and lower heating elements.
http://waterheatertimer.org/pdf/Rheem-spec-sheet.pdf

geno_3245_94.jpgRheem 4500Watt element

Nov 21, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

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

We had no hot water so we check the elements with a voltage meter and found the bottom element to be bad. We replaced it. Now there is still no hot water. When we test the voltage again there is continuity...


The elements never run at the same time, it would take to much energy for a standard residential heater. Instead, they rotate powering up back and forth depending on the hot water demand. If you getting 208 to 240 volts on the top element and nothing is happening, the top element is bad and needs to be replaced. If you can swing 30 bucks, replace both elements and both thermostats at the same time. This way you know that everything is new. Check out this generic water-heater wiring schematic.

Sep 06, 2010 | Reliance & 50gal Electric Water Heater

1 Answer

Electric hot water heater gives lukewarm water


replace upper thermostat and hi limit switch. These are usualy made in one piece. On a two element heater, only one element comes on at a time

Dec 25, 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

No hot water


If the water does not heat, then you have to troubleshoot to find the problem. With a voltmeter determine if 240VAC is actually getting to the water heater. Take care here - a defective circuit breaker can give a false 240 volt reading - check for the 240 volts across the upper element (i.e. when the 240 volts has a live load on it, not just an open circuit test).
Also, remember, the upper element has priority over the lower element, and if the water is cold, the upper element will try to turn on and this locks out the lower element (only one element is allowed to heat at any given time). The lower element comes on ONLY after the upper thermostat is satisfied. Therefore if the upper heating element is burned out you will never get any hot water. If you suspect this, TURN OFF THE POWER TO THE HEATER and take a resistance check of the upper element.

Nov 15, 2008 | Water Heaters

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