Question about Rheem 22V50FN 50 Gallon Ultra Low Nox Water Heater Natural Gas

1 Answer

Can I find an owners manual for my water heater? If not, can someone help me understand how to determine the temperature setting in degrees?

I'd like to have an owners manual so i can understand the temperature settings. I found one manual online, but the picture of the temperature settings wasn't the same one on our heater. Thanks

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  • Rheem Master
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Easiest way to do this is to set the water heater in the mid range and wait for it to heat and settle down, then take the temperature of the water from the drain valve. See if it is too hot or cold. Raise or lower it a little at a time and wait for it to settle. Check it again.

Posted on Nov 07, 2014

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Posted on Jan 02, 2017

  • 148 Answers

SOURCE: Water temperature

if it is electric remove the metal plate that is about 1/3 from the top usually colored blue or whitethere is pull dome of the insulation out fof the way you will see red and blue wires going into the element and a plastic cover underneath the cover is a setting with an indicator it is usually adjustable with a thin flat head crew driver the indicator has high medium and low temp setting

Just turn indicator to temp desired


good luck




Posted on Jan 08, 2009

  • 659 Answers

SOURCE: What is the normal water temperature accuracy of a setting?

You are correct, the pipes have been used and they retain the warmer temp and thus they don't cool the water by the time it gets to the faucet.

Posted on Mar 22, 2009

muttandjeff
  • 359 Answers

SOURCE: My rheem water heater doesn't seem to be heating

try setting the bottom 10 degrees hoter than the top could be in short cycle (thatis the bottom calls for heat on the bottom element and set too close so goes back to top and cycles off

Posted on Jan 05, 2010

  • 8404 Answers

SOURCE: Our water heater runs out of hot water after a

What is a shower? Get in - get wet - get soapy - get rinsed - get out? Or do you take 30 minute showers? Are these showers going on at the same time? ... Your water heater is suppose to put out a certain amount of hot water per hour. If you exceed this amount, well, there is no hot water. Setting a higher temperature will not help it recover faster. Your heater is either heating water or not heating water. Said differently, the temp setting is not a gas petal - it is a ON or OFF condition - not MORE on or MORE off condition.

Have you drained the sediment from the bottom of the tank recently? Depending upon conditions, you should get the junk out of the bottom (by running water out until it is clean, from the faucet at the bottom of the tank) at about 6 month intervals.

Im sorry you are having trouble with this.

Thanks for your qestion at FixYa.com

Posted on Jan 20, 2010

Testimonial: "Very helpful answer. Thanks for the request for additional information and for the cleaning suggestion! "

  • 760 Answers

SOURCE: Need Free Manual for Rheem Electric Hot Water Heater

Here is the link to a manual:
http://globalimageserver.com/fetchDocument.aspx?id=f43430fe-a847-4371-b6c7-cab5eb0e34a6

Be sure to have your circuit breaker off before you remove the cover.
220V and water together is not a good mix.

Posted on Jul 19, 2010

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I am going to Fl. for 2 months and I want to know if I can shut off the water main in my house. I have a gas hot water heater and a gas furnace. The air handler for the furnace has a hydro coil.


You are right to carefully consider your utilities for an extended absence. What temperatures will the home be exposed to. Will you leave any heat on? If you don't will the pipes freeze? If you secure the water, you may want to secure the hot water heater - again consider freezing. We can't advise you without a full understanding of how your systems interact but we can help you consider the important factors.

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Why the hot water temperature couldn't reach the set temperature (130 degree) in Amtrol WHS80Z indirect water heater?


I have a couple of thoughts. You may have air in the boiler water circuit at the loop that feeds the tank. You'll have to find the vent in the loop to get it out. Second, the automatic valve that opens for hot water may not be opening fully. Have you felt both the boiler water lines that go in and out of the tank? If the water going in is hot and the line out is very cold you have very little boiler water going through the loop. Make sure the isolation valves on the loop are open. Is your boiler full of water? If the boiler loop lines are hot going in and coming out, the tank is full of rust or debris and no water can get to the fins on the internal tubing to pick up heat. If that's the case there is no repair and its time to get a new tank. Hope this helps good luck.

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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.

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

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I've lost my manual, and am unsure what the heat


You posted under water heater.
Open following link for adjusting water heater temperature on typical gas and electric water heaters:
State electric has ABC
White Rodgers gas thermostat has ABC
Honeywell gas valve has ABC
Each is shown on following link:
http://waterheatertimer.org/How-to-adjust-temperature-on-water-heater.html

60 degrees C is 140 degrees F.
You can get burned pretty quick at 140 F.
I suggest 125-130 F and see if that works
First aid for burns is to apply cool water immediately.

Jul 09, 2011 | Rheem Water Heaters

1 Answer

Replaced both elements and tstats now there is 240 at both elements at once and only the top one is heating the bottom is coldreplaced bottom sgain thinking maybe bad from factory but still cold will i...


Electric water heaters never power BOTH the upper and lower elements at the same time.

If the water in the tank is cold, either the top OR bottom element will be powered through the upper thermostat (t-stat), never both at the same time. The upper t-stat will send power to the upper element until the temperature of the water in the top of the tank reaches the set point of the t-stat say 140 degrees. When the water temperature in the top of the tank reaches 140 degrees, the t-stat is "satisfied" and disconnects the power from the top element and sends it to the lower t-stat.

IF the temperature of the water in the lower half of the tank is lower than the set point of the lower t-stat, the t-stat closes to send power to the lower element. The lower element REMAINS powered by the t-stat until EITHER the water in the lower part of the tank reaches the set point temperature of the lower t-stat again, say 140 degrees; OR the temperature of the water in the upper part of the tank drops, at which point the upper t-stat "calls" and switches the power away from the lower t-stat and sends it to the upper heating element instead. When the top t-stat is satisfied, it switches power back to the lower t-stat. The process will continue back and forth for as long as needed to bring the temperature of the water in both halves of the tank to 140 degrees.

You must wait until the top of the tank is heated - before the lower element will be powered to heat the water.

I hope this helps you understand how the switching happens in these water heaters. Good luck! Please rate my reply. Thank you.

Mar 24, 2011 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

I need to adjust water temperature, and dont have a manual. i have a 81v40d C model , 40 gal electric.


Hi,

Here is a tip that I wrote to help people understand how to adjust the temperature on their electric hot water heater.

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Energy smart hot water heater not giving ample amount of hot water both elements ohm at 12.5


element-connection-450.jpg
For images and product information
For manual


You checked ohms, did you check for 240V across lower element when lower element is turned on?

Energy smart electric water heater
has a control box on top of unit. Water heater does not have typical thermostats that can be tested and replaced. Temperature sensors located above each element send information to control box through small black and red wires. Temperature sensor sells for about $40, but there is no test listed that shows how to determine when sensors fail.

Potential problems:
-Temperature sensor is not reading correct temp
-Control box not processing correct temperature information
-Selector on control box set to 2, 3 or 4
-Thermostat temp on control box set lower than 120 degrees F
-Sediment build-up starting to surround lower element so water doesn't circulate (see if drain valve runs full-open

Oct 08, 2010 | Water Heaters

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