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Will I get power to both elements at one time I test power at elements while unit is heating and can only get power to one element at a time.When one thermostat cycles off the other element will come on.I have replaced both elements and both thermostats.Its a 30 gallon heater and I can't take a shower without running out of hot water.I can't afford $280.00 for a new heater.According to the wiring diagram it is wired right.

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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.

Posted on Mar 10, 2009

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Posted on Jan 02, 2017

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1 Answer

We can't get our hot tub to heat. The heater light comes on but the heater still won't heat.


heating elements are resistors that get hot
one end will have 115 volts but the other end should be considerable less because the resistance of the heating element drops the voltage
if you used a ohm meter you should be reading a resistance of 500-1000 ohms for a good heater element but with your readings , there will be no resistance so the element is faulty

Apr 06, 2017 | Element 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

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

1 Answer

Dodge magnum pickup heater wont get hot


test the parts and fix it. God bless you

Test and replace a heating element:
  1. Turn off power at the electric service panel and post a sign warning others not to turn it on.
  2. Remove the access panel on the electric water heater.
  3. Disconnect one of the element wires and set a multimeter to RX1000 (resistance times 1,000). Touch one probe to an element mounting bolt and the other to each element terminal screw, in turn. If the tester displays anything but infinity ( open circuit), replace the element.
  4. If necessary, set the multimeter to RX1 and touch the probes to the terminal screws. If there is any resistance reading at all ( closed circuit), then the element is good. If not, replace it. Both upper and lower elements are tested in the same manner.
  5. To remove the element, first drain the heater.
  6. Disconnect the remaining element wire. Remove the mounting bolts holding the element in place. Remove the element.
  7. Replace the heating element with one of the same model, shape, and rating. Make sure you also replace any installation gaskets.
Test and replace a high-limit cutoff:
  1. Disconnect power to the heater at the electric service panel and post a sign warning others not to turn it on.
  2. Remove the upper access panel and push the reset button.
  3. Replace the access panel and turn the power back on. If the water is hot, the reset was the problem. If not, you'll need to turn the power off again and reopen the access panel.
  4. Use a multimeter to test the cutoff terminals for continuity. If faulty, replace with an exact replacement part.

Oct 28, 2013 | Water Heaters

1 Answer

Ariston Troubleshooting


follow this test and use the multimeter and fix it. God bless you
If there is no hot water, first push the reset button on the high-temperature cutoff; test the thermostat and replace if faulty (see below). Test the heating element(s) and replace if faulty
.Test and replace a heating element:
  1. Turn off power at the electric panel and post a sign warning others not to turn it on.
  2. Remove the access panel on the electric water heater.
  3. Disconnect one of the element wires and set a multimeter to RX1000 (resistance times 1,000). Touch one probe to an element mounting bolt and the other to each element terminal screw, in turn. If the tester displays anything but infinity ( open circuit), replace the element.
  4. If necessary, set the multimeter to RX1 and touch the probes to the terminal screws. If there is any resistance reading at all ( closed circuit), then the element is good. If not, replace it. Both upper and lower elements are tested in the same manner.
  5. To remove the element, first drain the heater.
  6. Disconnect the remaining element wire. Remove the mounting bolts holding the element in place. Remove the element.
  7. Replace the heating element with one of the same model, shape, and rating. Make sure you also replace any installation gaskets.

Oct 27, 2013 | Water Heaters

1 Answer

My tankless RP1P is not heating well the water and is already set at Hi Temperature. What can be done to fix it?


follow this steps and fix it. God bless you
Test and replace a heating element:
  1. Turn off power at the electrical service panel and post a sign warning others not to turn it on.
  2. Remove the access panel on the electric water heater.
  3. Disconnect one of the element wires and set a multimeter to RX1000 (resistance times 1,000). Touch one probe to an element mounting bolt and the other to each element terminal screw, in turn. If the tester displays anything but infinity ( open circuit), replace the element.
  4. If necessary, set the multimeter to RX1 and touch the probes to the terminal screws. If there is any resistance reading at all ( closed circuit), then the element is good. If not, replace it. Both upper and lower elements are tested in the same manner.
  5. To remove the element, first drain the heater.
  6. Disconnect the remaining element wire. Remove the mounting bolts holding the element in place. Remove the element.
  7. Replace the heating element with one of the same model, shape, and rating. Make sure you also replace any installation gaskets.

Oct 20, 2013 | Powerstream RP1P Electric Tankless Water...

1 Answer

No hot water volume at shower until power is turned off and on to unit


follow this steps and fix it. God bless you

oubleshoot a thermostat:
  1. Shut off power to the heater at the electric panel and post a sign warning others not to turn it on.
  2. Unscrew and remove the electric water heater access panel.
  3. Using a small screwdriver, turn the thermostat dial counterclockwise to lower the temperature, or clockwise to raise it. If the water heater doesn't maintain the proper temperature, test the thermostat.
  4. Disconnect one wire to the upper thermostat to test it. Set a multimeter to RX1 (resistance times 1) and touch a probe to the thermostat terminals as indicated in the owner's manual. Depending on the model and the terminals tested, the tester should show infinity ( open) or about 0 ( closed).
  5. Test the lower thermostat in the same manner.
  6. If necessary, replace the thermostat. Unscrew it from its mounting and install one of the same model, size, and rating. Once you install it, adjust the thermostat following instructions in your owner's manual.
Test and replace a heating element:
  1. Turn off power at the electric panel and post a sign warning others not to turn it on.
  2. Remove the access panel on the electric water heater.
  3. Disconnect one of the element wires and set a multimeter to RX1000 (resistance times 1,000). Touch one probe to an element mounting bolt and the other to each element terminal screw, in turn. If the tester displays anything but infinity ( open circuit), replace the element.
  4. If necessary, set the multimeter to RX1 and touch the probes to the terminal screws. If there is any resistance reading at all ( closed circuit), then the element is good. If not, replace it. Both upper and lower elements are tested in the same manner.
  5. To remove the element, first drain the heater.
  6. Disconnect the remaining element wire. Remove the mounting bolts holding the element in place. Remove the element.
  7. Replace the heating element with one of the same model, shape, and rating. Make sure you also replace any installation gaskets.
Test and replace a high-limit cutoff:
  1. Disconnect power to the heater at the electric panel and post a sign warning others not to turn it on.
  2. Remove the upper access panel and push the reset button.
  3. Replace the access panel and turn the power back on. If the water is hot, the reset was the problem. If not, you'll need to turn the power off again and reopen the access panel.
  4. Use a multimeter to test the cutoff terminals for continuity. If faulty, replace with an exact replacement part.

Oct 08, 2013 | Noritz 6.3 Gallon Residential Tankless...

1 Answer

If everything else works why wont the heat come on. the water is still hot and the ac and the fan works but no heat


follow this steps and fix it. God bless you

Troubleshoot a thermostat:
  1. Shut off power to the heater at the electric panel and post a sign warning others not to turn it on.
  2. Unscrew and remove the electric water heater access panel.
  3. Using a small screwdriver, turn the thermostat dial counterclockwise to lower the temperature, or clockwise to raise it. If the water heater doesn't maintain the proper temperature, test the thermostat.
  4. Disconnect one wire to the upper thermostat to test it. Set a multimeter to RX1 (resistance times 1) and touch a probe to the thermostat terminals as indicated in the owner's manual. Depending on the model and the terminals tested, the tester should show infinity ( open) or about 0 ( closed).
  5. Test the lower thermostat in the same manner.
  6. If necessary, replace the thermostat. Unscrew it from its mounting and install one of the same model, size, and rating. Once you install it, adjust the thermostat following instructions in your owner's manual.
Test and replace a heating element:
  1. Turn off power at the electric panel and post a sign warning others not to turn it on.
  2. Remove the access panel on the electric water heater.
  3. Disconnect one of the element wires and set a multimeter to RX1000 (resistance times 1,000). Touch one probe to an element mounting bolt and the other to each element terminal screw, in turn. If the tester displays anything but infinity ( open circuit), replace the element.
  4. If necessary, set the multimeter to RX1 and touch the probes to the terminal screws. If there is any resistance reading at all ( closed circuit), then the element is good. If not, replace it. Both upper and lower elements are tested in the same manner.
  5. To remove the element, first drain the heater.
  6. Disconnect the remaining element wire. Remove the mounting bolts holding the element in place. Remove the element.
  7. Replace the heating element with one of the same model, shape, and rating. Make sure you also replace any installation gaskets.
Test and replace a high-limit cutoff:
  1. Disconnect power to the heater at the electric panel and post a sign warning others not to turn it on.
  2. Remove the upper access panel and push the reset button.
  3. Replace the access panel and turn the power back on. If the water is hot, the reset was the problem. If not, you'll need to turn the power off again and reopen the access panel.
  4. Use a multimeter to test the cutoff terminals for continuity. If faulty, replace with an exact replacement part.

Oct 08, 2013 | White Rodgers Water Heaters

1 Answer

No power to lower heating element


Test elements.
http://waterheatertimer.org/How-to-test-water-heater-element.html
If elements test out, then replace both thermostats.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

More resources:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html
Otherwise, if you have some hot water, then power to unit is good and probably at least 80% rated voltage, breaker is good, and upper element is at least functional and probably working perfectly, reset button is not tripping so tank is not overheating.

Mar 27, 2013 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Brand new 2.5 gallon water heater will not heat water.


sound's like it is the element.place a continuity test on element ,and see what you get

Apr 21, 2010 | Rheem 81VP2S 2.514"9-3/4"22

1 Answer

Which element?


turn off power then remove covers then check with ohm meter should have same reading on both elements but remove both wires from each element before you test

Sep 26, 2009 | RELIANCE ELECTRIC WATER HEATER

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