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How do I set water temp to 140 dgrees on a 7-50

Posted by ed evans on

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guy dubeau

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Turn hydro to it off first, open the two or one access doors not sure if it has two elements move insolation back and you will find thermostat use flat driver and turn to desired temp do same on both elements if it has two push back insolation screw covers back on turn on hydro

Posted on Oct 07, 2014

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Anonymous

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SOURCE: only heats water to 1oo degrees and temp on remote

I just changed mine today with help from Rheem support as the manual had a typo error.

You should be able to increse to 120 max as default. However if you want to change to 140, you will have to perform the following as detailed in the manual ...

- Turn off the power.
- Remove the cover.
- There is a dip switch on the controller board. Flip dip switch #4 to "ON". Your remotw will start flashing.
- Press SW2 on the controller board for at lease a couple of seconds (The manual states SW1 which is incorrect)
- Flip dip swich #4 back to "OFF"
- close cover
- Turn on heater ... you should be able to adjust up to 140.

Posted on Jan 18, 2010

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1 Answer

What is the proper temperature for water heater


There is no real proper temperature for a water heater. THe limiting factors are whether or not there are children in the home. IF there are, the temp is supposed to be set to 120 degrees F or less. IF you are concerned about germs etc and have no children then you can set it to 140 to 160.

Feb 23, 2018 | Water Water Heaters

1 Answer

Left red button has to be constantly reset. Also, water gets extremely hot


It should be producing hot water at the temp it was set at such as 120-140 degrees. If it is exceeding this one of the safety devices maybe disconnecting it. Thermal control might need some servicing. See what temp it's set at then put a thermometer on a near water outlet to see what's going on. Good luck.

Sep 06, 2015 | Bosch PowerStar AE125 AE125 Whole House...

1 Answer

Raise temp above 120


Raising temperature above 120 degrees requires service call.
Or change dip switch settings and risk voiding warranty and causing service call expense.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html#temperature

Earliest versions of Rheem tankless 2006-8 let you set temperature up to 140 degrees F using remote.
However the hotter setting caused error codes because the burner cannot keep up with both high temperature and large volume of hot water rushing through pipe. Especially in winter with cooler incoming water that must be heated more to reach temperature set point.
The burner simply cannot keep up.
So Rheem changed maximum temperature at remote control to tepid 120 degrees, which is not hot enough for folks wanting hot shower, or folks filling whirlpool tub because water in tub cools before tub fills.

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

Oct 27, 2012 | Rheem Tankless Water Heater Main Remote...

1 Answer

How do I turn it on? I press the "on" button and


The manual says:
http://www.coinwash.com/temp/rinnai.pdf

"For the name of the Authorized Distributor or Installer nearest you, please contact your local HVAC dealer or gas service technician, visit the Rinnai website (www.rinnai.us), call Rinnai at1-800-621-9419 or write to Rinnai, 103 International Drive, Peachtree City, Georgia 30269"

Manual says that the remote is for setting temperature.
When you turn on hot water spigot, tankless water heater will heat the water to the set point temperature.
If water heater is not set up to use remote, then tankless unit will heat to 140 degrees F.
"With the MCC-45-4US remote control installed the water temperature is adjustable from 96
to 180°F. The water temperature cannot be set to a temperature other than 140°F
without the use of the MCC-45-4US remote control unit. If you require a temperature
other than 140°F you must install the MCC-45-4US remote control unit."

"Error messages are displayed on the remote control units, simplifying service calls."

Page 9 of manual shows hot to set temperature using remote.
Water taps must be shut off to set temperature.
Circulating pump must be turned off.
"Simply press the H or C button until desired temperature is displayed"
"green in-use indicator will display"

If your unit is not working, the manual says to contact local plumber.
Fixya has specialists who will talk to you by phone about your problem for a fee.

Dec 18, 2010 | Rinnai Digital Remote Water Heater Control...

1 Answer

Doesn't seem like we get enough hot water, how can i change the temp settings?


Remove cover plates from front of heater, usually four screws each.Seperate insulation enough to see and you will see the thermostat. It is factory pre set at 120 degrees and normally be adjusted to 140 degrees. Use a small blade screw driver to adjust settings. Ihope this helps you. Thanks

Nov 15, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

I have an AE 125, I have to reset the third tank (press the little black button on the top) about every two weeks. Any idea why this occurs?


Thermal overload. The unit can produce temps of 140 deg. F. It should never be set that high. I am sure the temperature dial is set at max and you are cooking the coil in the copper element. The mineral in your water has likely damaged the element. You can try turning down the temp to about 115 deg f (use a meat thermometer at the faucet). Good Luck.

Mar 11, 2010 | Bosch PowerStar AE125 AE125 Whole House...

1 Answer

Only heats water to 1oo degrees and temp on remote is set at 140 ?


I just changed mine today with help from Rheem support as the manual had a typo error.

You should be able to increse to 120 max as default. However if you want to change to 140, you will have to perform the following as detailed in the manual ...

- Turn off the power.
- Remove the cover.
- There is a dip switch on the controller board. Flip dip switch #4 to "ON". Your remotw will start flashing.
- Press SW2 on the controller board for at lease a couple of seconds (The manual states SW1 which is incorrect)
- Flip dip swich #4 back to "OFF"
- close cover
- Turn on heater ... you should be able to adjust up to 140.

Dec 31, 2009 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

2 Answers

Water Heater Heating Problem


i guess it is electric ,check bottom element reset button .remove bottom cover with power off look for a button on bottom thermostat or limit if find push it to reset ,,then set the thermostats , set top to desired temp and the bottom at least 10 degrees more ex. top 130 bottom 140 this might prevent problem reoccurring if this not problem bottom element could be burned out.replace ele

Nov 30, 2008 | Water Heaters

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