Question about Rheem 40 GAL ELEC TALL Water Heater 6YR SC 82VH402

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I have a rheem glas standard 30 gallon model # 81sv-30d water heater with upper and lower watages 3500. how do i know what size heating element i need?

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1 Answer

Anonymous

Look on label on side of tank.
Wattage of tank will be element wattage. This is true if tank has one or two elements since both elements are never ON at same time.
Simply go to hardware store and buy 3500W element.
Take phone photo to store if needed for identification.
http://waterheatertimer.org/How-to-replace-water-heater-element.html
Wattage appears on end of each element.
http://waterheatertimer.org/How-to-test-water-heater-element.html
http://waterheatertimer.org/images/Voltage-printed-on-element-.jpg

Posted on Apr 08, 2011

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I have a Rheem 81SV-40D water heater, water is hotter in the morning and only warm at night. I don't see a time or anything. Can you please help me to figure out what's wrong? thanks


Dear Chu,
I think I am hearing you say the water is hotter if the water heater has sat all night without the usage of any hot water, and otherwise, it is not hot.
I should suspect one of your heating elements is not good any more.
Look and see if there are 2 removable covers on the side of the water heater, an upper and a lower.
Take a test instrument and, with the water heater unhooked from the power source, see if you have one element that shows no continuity with an ohm meter /resistance test.
That element can be replaced, sometimes you must drain the water heater water to do so.
God bless your efforts.

Feb 17, 2017 | Rheem Water Heaters

1 Answer

What type of element does the rheem 30 gallon electric water heater model #71-30D serial #RH 0701230647 take?


Take element to hardware store or home center and they will match up the same wattage that is printed on end of element
http://waterheatertimer.org/How-to-replace-water-heater-element.html

Gene

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

Oct 06, 2014 | Water Heaters

1 Answer

Hot water heater not heating


Hello Nick. probably a simple problem:
1) Check across top two screws on upper element for 240volts.
Circuit breaker can be tripped on one leg so water heater appears to have power, but only has 120Volts to ground, and not full 240Volt potential across both wires.
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html#electricity

2) Move wires to another same-size circuit breaker
http://waterheatertimer.org/How-to-replace-circuit-breaker.html

3) Add comment and say what you find, and for more assistance Dec 2012

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

Dec 12, 2012 | Rheem Water Heaters

1 Answer

I have a Rheem model 71-308. It only has a lower access panel. How do I access the upper heating element?


If your heater only has one access panel, then it only has one element. These are mostly in the 30 gal. electric models.

Oct 30, 2011 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

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

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...

1 Answer

Rheem Electric 40 gallon water heater not providing heat


The elements may be burnt out you can check them by an electrical light tester. There is a lower and an upper element. If the tester lights up element is good. I hope this helps, please rate if the answer was helpful. Have a great day. Jeff

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

2 Answers

I have a Rheem glas fury model 22-40 gas water - leaking


Dear Hank McNeal; I have successfully used a "boiler plug" to seal a water heater tank leak in 2007. It was a 100 gallon electric commercial hotel unit. To this day it's still in use. It depends where the leak is located....Predrilling the leak is necessary to be sure the plug will ernguage it's threads into good material... Start as small as possible, then use the best suited plug. they come in an assortment of sizes. rheem-glas-fury-model-22-40-gas-water-qbzdprdp3yetvbzozs4dsujq-4-0.jpg

Oct 23, 2009 | Rheem 40 Gallon FVR NATGAS Low WATER...

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