Question about RTO Home Heating Products 5.5HH240 Electric Tankless Water Heater 240 Volts

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I am trying to drain my electric water heater: Servistar, model no.06443 serial no.0496B02329, watt: 1-PH,Upper 4500 240 volts only, Lower 4500 Cap. U.S. Gallons 50 Total 4500 I closed the cold water valve, turned off the breaker switch, connected water hose to drain valve and opened the valve, the water hose goes to an outside door so drainage will be lower than the drain valve which is located at the bottom of the water heater. No water is draining out of the hose Karen from Texas

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Hi Karen, think of the water heater as a straw....if the straw has liquid in it and you put your finger on the top, the liquid doesn't come out. If you open up the relief valve, air will allow it to flow freely. The relief valve has a metal lever on it, usually on the top of the water heater (if electric).

Posted on Feb 12, 2010

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Need a wiring diagram for rheem electric water 50 gallon 2007 model


1) Copy following links for standard wiring that applies to all brands electric water heater: wire colors vary, and do not matter.
You probably have ordinary residential non-simultaneous water heater.
http://waterheatertimer.org/How-to-wire-water-heater-thermostats.html
http://waterheatertimer.org/images/WH-w-combined2-1000.jpg

2) Look at tank label.
Typical label will show number of elements (upper and lower)
And give wattage for each element.
http://waterheatertimer.org/Figure-Volts-Amps-Watts-for-water-heater.html#label
http://waterheatertimer.org/images/Whirlpool-energy-smart-watt-rating-IMG_2600.jpg
Notice also total connected watts.
If total connected watts is same as individual upper or lower element watts, then you have ordinary residential non-simultaneous tank.

Mar 07, 2013 | Water Heaters

1 Answer

I have a GE "SmartWater" Model #GE50M6A It only has 120 volts on the lower element. It is not heating water, but does have 240 volts to the upper element and, as I stated, 120v to the lower element.


1) Test elements,and if elements are good, replace both thermostats
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

2) Test across top two screws on upper thermostat for 240Volts.
If this test shows 240V, then no more voltage testing is needed.
http://waterheatertimer.org/How-water-heater-thermostats-work.html#electric

3) Add comment Feb 2013 and say where you are so far

Feb 09, 2013 | Water Heaters

1 Answer

How do you winterize Model GE20P06SAG? There is no drain at the very bottom...?


Thank you for including model number for EZ identification of water heater
To drain tank without drain valve: Remove TP valve at top of tank and siphon out the water. Then reinstall with correct pipe configuration shown in product manual.

Product manual shows drain valve is not supplied with this unit.
http://waterheatertimer.org/pdf/GE20P06SAG-under-counter.pdf

Product manual shows the Installer should add both shut off valve and drain valve on cold water inlet line.
http://waterheatertimer.org/images/GE20P06SAG-under-counter-60.jpg
More resources:
http://waterheatertimer.org/How-to-install-under-counter-water-heater.html

Sep 30, 2012 | RELIANCE 19.9 Gallon Electric Compact...

1 Answer

80 gal Whirl Pool electric water heater. Does it have 1 thermostat or 2?


There are two ways to tell:
1) See if tank has 2 removable panels on side.
2) Look at label on side of tank for upper and lower element wattage.

http://waterheatertimer.org/Figure-Volts-Amps-Watts-for-water-heater.html
http://waterheatertimer.org/How-water-heater-thermostat-works.html
http://waterheatertimer.org/How-electric-water-heater-works.html
http://waterheatertimer.org/DIY.html

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 water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Feb 14, 2011 | Whirlpool Water Heaters

1 Answer

HOT WATER LAST NIGHT BUT LUKE WARM THIS EVENING? IS IT AN ELEMENT:


I assume you have electric water heater.
If tank has 2 elements, then it is 240V
If you have Rheem, then elements are 4500 watt.
Check label on side of tank for particulars.
Rheem: second two digits on serial number correspond to year of manufacture.

Ordinary tank type water heater is fully repairable by homeowner using generic parts from hardware or home center.

If you have some hot water, then that says several things:
-Upper element is working.
-Electricity from circuit breaker to upper thermostat is good.
-ECO reset button is not tripped.
-You do not have overheating event.
-Access doors and insulation are in place and thermostat not exposed to cool temperature.

That leaves following suspects:
1) Check if TP valve is stuck open and running all your hot water down a drain.
http://waterheatertimer.org/How-to-replace-TP-valve.html

2) Upper or lower thermostat is bad.
Replace both thermostats for $28
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

3) Lower element is bad -and- maybe tank has built-up sediment
http://waterheatertimer.org/How-to-test-water-heater-element.html
http://waterheatertimer.org/How-to-replace-water-heater-element.html

4) Wire is loose inside tank. Open covers and inspect. Tighten screws very tight against copper wire.

5) Bad wire between upper and lower sections of tank.
Do complete 30 minute troubleshoot before replacing any parts.
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 water heater.
We are always less expensive than a service call.

Jan 14, 2011 | Rheem Water Heaters

1 Answer

Reliance electric water heater - A 95 [1995] Model 5 40 / 3500 W Max. - 240 AC Volts. Checked upper element and thermostat [fine]. Lower element and thermostat have lot of corrosion due to...


The salesman at the hardware store should be able to confirm my answer.
Match up the voltage, wattage and thread size and you should be good.
My element burned out two years ago and aside from draining the water, the job only took a few minutes and I was back in service.
Gary

Dec 15, 2010 | RELIANCE ELECTRIC WATER HEATER

1 Answer

I am only receiving half of the normal amount of hot water.


You have electric water heater.
Electric water heaters are fully repairable by homeowner, excluding hybrid type.

Rheem electric water heaters:
http://www.rheem.com/products/tank_water_heaters/electric_water_heaters/
Rheem fury series manuals and models
http://www.rheem.com/product.aspx?id=09DF2BDD-5E11-4D32-B574-84ACFB8A4619

Age of Rheem water heater is shown first 4 digits of serial number located on side of tank: for example 0705 means July 2005.
Serial number also shows model number & wattage of elements in case you need to buy new generic 4-bolt type 4500 Watt element from hardware store.

A) If your water heater receives very cold incoming water, it may not heat fast enough to keep tank warm.
Add a tempering tank.
http://waterheatertimer.org/Tempering-tank.html
Add insulation over entire water heater except TP valve. Insulate pipes completely.
Read more information:
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html

B) 40 or 50 gallon water heater is 240Volts and tank will have 2 access panels on front.
Rheem ships all water heaters with 4500 Watt elements.

Narrow down the suspects:
C) Water heater has some hot water.
This tells us upper element is working.
And that water heater electricity is working.
And that reset button is not tripped.
And that heater is not experiencing run-away overheating event.

That gives us 3 solid suspects.
1) lower element is burned out. Test lower element using inexpensive multi-meter from Home Depot.
http://waterheatertimer.org/How-to-test-water-heater-element.html
Replace element with same wattage shown on label, and clean out sediment:
This will restore water heater to full 99% efficiency.
http://waterheatertimer.org/How-to-clean-sediment-out-of-electric-water-heater.html
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html

2) Upper or lower thermostat is bad. Replace both thermostats for about $25.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
If you want to test thermostats and all parts before replacing anything:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

3) Burned or shorted wire. Turn off power. Open covers on side of tank. Remove insulation. Inspect parts for signs of high heat and burning. Especially lower element. Tighten any loose wires. Replace part that shows signs of burning.
Put insulation and cover back over thermostats so cooler outside temperature doesn't cause thermostat to misread tank temperature.

geno_3245_185.jpgRheem 4500 watt element

Dec 14, 2010 | Rheem Water Heaters

1 Answer

The water want stay hot very long


You have electric water heater.
Electric water heaters are fully repairable by homeowner, excluding hybrid type.

Rheem electric water heaters:
http://www.rheem.com/products/tank_water_heaters/electric_water_heaters/
Rheem fury series manuals and models
http://www.rheem.com/product.aspx?id=09DF2BDD-5E11-4D32-B574-84ACFB8A4619

Age of Rheem
water heater is first 4 digits of serial number located on side of tank: for example 0705 means July 2005.
Serial number also shows model number & wattage of elements.

A) If your water heater receives very cold incoming water, it may not heat fast enough to keep tank warm.
Add a tempering tank.
http://waterheatertimer.org/Tempering-tank.html
Add insulation over entire water heater except TP valve. Insulate pipes completely.
Read more information:
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html

B) If cold outside temperatures are not to blame, your water heater may have a bad thermostat or bad lower element.

C) 40 or 50 gallon water heater is 240Volts and tank will have 2 access panels on front.
Rheem ships all water heaters with 4500 Watt elements.

Narrow down the suspects:
D) Water heater has some hot water.
This tells us upper element is working.
And that water heater electricity is working.
And that reset button is not tripped.
And that heater is not experiencing run-away overheating event.

That gives us 3 solid suspects.
1) lower element is burned out. Test lower element using inexpensive multi-meter from Home Depot.
http://waterheatertimer.org/How-to-test-water-heater-element.html
Replace element with same wattage shown on label, and clean out sediment:
This will restore water heater to full 99% efficiency.
http://waterheatertimer.org/How-to-clean-sediment-out-of-electric-water-heater.html
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html

2) Upper or lower thermostat is bad. Replace both thermostats for about $25.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
If you want to test thermostats and all parts before replacing anything:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

3) Burned or shorted wire. Turn off power. Open covers on side of tank. Remove insulation. Inspect parts for signs of high heat and burning. Especially lower element. Tighten any loose wires. Replace part that shows signs of burning.
Put insulation and cover back over thermostats so cooler outside temperature doesn't cause thermostat to misread tank temperature.
geno_3245_183.jpgRheem element

Dec 14, 2010 | Rheem 50 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

I awoke to no hot water, my heater is three yrs old and i just changed my upper and lower element and upper thermostat, still no hot water then i checked to see if i was getting power and i am, is there...


Your water heater has 2 elements so its 240Volts.

1) If breaker is delivering power on one leg of the 240Volt circuit, then water heater can appear to have electricity, but tank is receiving 120V. Both 120Volt legs are needed to complete the 240V circuit. Double check for 240Volts.

2) Review electric Load.
Water heater label shows wattage of tank.
If tank is 4500Watts for example, you installed 3500 or 4500 watt elements.
With 5500 Watt elements you need 30 amp breaker and orange-colored 10 gauge wire
With 4500 Watt elements you can get by on 20 amp breaker and 12 gauge wire up to 75 feet away.

3) Check ECO red reset button on upper thermostat. If reset is tripped, then ECO is reading high temperatures. Suspects at this point are defective upper thermostat, shorted wire or bad lower element.

4) Also note that insulation and cover must be re-installed over thermostat. Thermostat reads temperature through wall of tank. If outside air circulates around thermostat, that can cause a mis-read and cause tank to overheat and ECO trips.

If you don't want to test the heater, replace both thermostats for about $25. Return the upper thermostat for a refund. Then see of problem persists.

Here's what I would do.
1. Check breaker for 240
2. Check water heater for 240 across 1 and 3 screws on upper thermostat
3. Note wiring and breaker size.
4. Note label on side of tank.

5. Look at end of new element to see wattage printed on each element. Look for sings of high heat and burning. Tighten screws on elements.

6. Check ECO reset button. Look for high-heat and burning. Tighten screws on thermostat.

7. Test upper thermostat as follows:
http://waterheatertimer.org/images/Electric-diagram-water-800.jpg
Test left-side #1 screw to right-side middle #4 screw. Test should read 240V at all times. If not, then ECO is tripped, thermostat is bad, or electricity is OFF

8) Water heater is cold so upper element should be ON. Test upper thermostat.
Test right-side #3 screw to left-side bottom #2 screw and it should read 240V
Test right-side #3 screw to right-side bottom #4 screw and it should read 0 volts

8. If upper thermostat checks out. Test upper element for 240 across both screws. If upper element does not read 240 when water is cold, then element is bad or there is a shorted wire between element and upper thermostat.
How to test element:
http://waterheatertimer.org/How-to-test-water-heater-element.html

9. Do a full troubleshoot on electric water heater
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Dec 07, 2010 | General Electric GE SmartWater Household...

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...

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