Question about Rheem MR105245 Marathon Electric Water Heater 105 Gal

1 Answer

I have a Rheem Marathon 105 gal. electric hot water heater. No hot water ....

Posted by on

1 Answer

Check 240 circuit breaker.
Open top cover on water heater and push in ECO red reset button.
If reset button will not reset, then replace thermostat.
If reset is not tripped out, then either upper thermostat is bad, upper element is bad, or water heater might be getting 120V instead of 240V.
If you have some hot water, then best suspect is lower element.
http://waterheatertimer.org/How-to-troubleshoot-electric-water-heater.html

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Posted on May 26, 2011

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

I cant get the water temp below 125 and I need to for our day care. I have the lower thermostat set to 110 and it still is 125 to 130 degrees. Is there something else I need to do. There is a upper...


You have marathon water heater?
Thermostat is probably bad. Has gone out of calibration.
Replace both upper and lower thermostats for $25 from local hardware store, takes about 20 minutes, turn off power, take photo of wires before starting. These thermostats can be adjusted all the way down to 90 degrees, and then dial up a bit to reach 110.
Copy following link for instructions how to replace thermostat yourself.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

If problem continues, then replace both elements.
Elements are special order made specifically for marathon.
Requires 1-7/8" socket to remove elements.
Upper 3800 watt, order part SP610130
Lower 3800 watt, order part SP210197
http://hometips.me/Mar/Rheem-Marathon-parts-2.pdf
http://waterheatertimer.org/How-to-replace-water-heater-element.html

More information about Marathon:
http://waterheatertimer.org/Review-Rheem-Marathon-water-heater.html

Gene
h

Aug 26, 2013 | Rheem MR105245 Marathon Electric Water...

1 Answer

Rheem marathon vacuum valve


Copy following link for Rheem marathon parts and resources:
http://waterheatertimer.org/Review-Rheem-Marathon-water-heater.html

Add a comment March 2013 and describe problem in detail.

Mar 22, 2013 | Rheem MR50245 Marathon Electric Water...

1 Answer

Rheem Marathon Water Heater leak at pressure relief valve


Unless you are getting more than 150 PSI, you should just replace the valve. It has dirt in it.

Dec 27, 2012 | Rheem MSR50245 Marathon Electric Water...

1 Answer

Rheem marathon tripping breaker


Turn power off. Open covers and inspect for burned parts.
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html#trip-breaker

Test elements. Marathon takes specific element, and does not use generic element from hardware store.
http://waterheatertimer.org/How-to-test-water-heater-element.html

Oct 27, 2012 | Rheem MSR50245 Marathon Electric Water...

1 Answer

My water heater wont heat up


You posted under Marathon electric heater.
If you have tankless or tank-type gas heater, information below does not apply.

Absence of hot water say upper element is not working.
1) This can be caused by tripped reset button located on upper thermostat. Open upper cover and push in reset button. Put ear against tank to hear bubbly fizzing sound. Put insulation and cover back over thermostat. Continue reading information below because reset button trips when thermostats are bad or element is shorted.
2) Upper thermostat is bad. Replace upper thermostat. I usually replace both upper and lower thermostats.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
3) Electricity going to water heater from breaker box is interrupted.
http://waterheatertimer.org/Test-electricity-to-water-heater.html
4) Upper element is bad. Test element. Replace element if needed.
http://waterheatertimer.org/How-to-test-water-heater-element.html
http://waterheatertimer.org/How-to-replace-water-heater-element.html

5) Add a comment for more free help.

6) Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Jan 17, 2011 | Rheem MR105245 Marathon Electric Water...

1 Answer

Just installed new marathon water heater and hae


check the water control valve to see if it is fully opened

Mar 07, 2010 | Water Rheem MR40245 Marathon Electric ...

1 Answer

There is no hot water


Do you know were your hot water tank is?
How old is your hot water tank?
Is it a gas or electric hot water tank?

Aug 15, 2009 | Water Rheem MR40245 Marathon Electric ...

Not finding what you are looking for?
Rheem MR105245 Marathon Electric Water Heater 105 Gal Logo

389 people viewed this question

Ask a Question

Usually answered in minutes!

Top Rheem Water Heaters Experts

Donni Steen

Level 3 Expert

659 Answers

gizmonix

Level 1 Expert

13 Answers

Brad Brown

Level 3 Expert

15441 Answers

Are you a Rheem Water Heater Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...