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

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Where is the thermostat - Rheem 40 GAL ELEC TALL Water Heater 6YR SC 82VH402

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Hi,

Here is a tip where I explain how to adjust the thermostat... it also will show you where they are...

Electric Hot Water Heater Temperature Adjustment
heatman101

Posted on Nov 09, 2010

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6ya6ya
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Posted on Jan 02, 2017

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Why when my siemens RDJ10RF room thermostat has the arrow asking for heat does my boiler not fire up so i don't get any heating.The water heats up ok though?


You have a triple aquastat that maintains a temperature level needed to provide hot water. but you are not getting the thermostat to operate the central heating. The thermostat is a switch that operates by temperature. if you have tried raising the thermostat and the system did nor kick in try jumping the thermostat terminals in the aquastat . if that works then the problem is either in the thermostat or the wiring to the thermostat. also with a electrical tester." while the thermostat is jumped" test the c1 and c2 terminals to see if power is going to the circulator. If not then you need a new aquastat. if you have power and the pump is not moving water replace it.

Oct 11, 2014 | Water Heaters

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How do i reset my honeywell thermostat


Remove thermostat from wall, leaving base plate on wall.
Model number appears on back of device.
Google search thermostat model in following format: Honeywell xxxx32 thermostat .pdf
Adding .pdf to search parameter will yield product manual.
Also while thermostat is off the wall, change batteries located in compartment on back of thermostat. These batteries must be changed periodically, for example each 3-4 years.

Jul 17, 2013 | Honeywell TH3110D1008 Pro3000 Thermostat

1 Answer

Thermostat reset trips continually


Here's an article detailing electric water heater repair, that will be helpful to you.

Generally, when the reset button must be activated repeatedly, it indicates that one of the thermostats is not working properly. It is failing to sense the the actual temperature of the water in the tank.

This may be caused by a number of different things with the more likely being a defective thermostat, water damaged thermostat, poor contact of the thermostat with the tank itself (this can be due to rust build up between the two or insufficient spring pressure holding the thermostat against the tank).

You should do a visual inspection of the thermostats (with the power off!) to rule out the poor spring pressure, presence of rust or water and water damage to the thermostat. Repair sources of leaks if possible, remove thermostat(s) to clean the mating surfaces behind it and replace thermostats / parts that are weak or bent (in the case of the spring clip); wet or show evidence of earlier water damage.

Once the thermostat(s) can properly detect the rising temperature of the water being heated by the heating element again, it will shut off power to the heating element when the water matches the temperature you have selected. When the thermostat is unable to accurately determine the water temperature due to poor contact with the tank, the thermostat will continue too allow power to flow to the heating element - causing the water temperature to rise significantly higher than the level selected. This is when the high temperature switch operates to prevent the water from being heated any more. Needless to say, scalding is a very real threat any time the heaters continue to heat the water to a temperature higher than 140 degrees.

I hope this helps & good luck!

Jan 16, 2013 | General Electric GE SmartWater Household...

1 Answer

Just replaced both elements to my reliance electric heater..heats fine but after 1 shower i have to reset red button and repeat process daily Whats up? thanks


Replace thermostats.
One of the thermostats is sticking causing overheating that trips ECO reset located on upper thermostat. There is no good way to test thermostats since testing means turning the temperature setting which temporarily unsticks bad thermostat so it looks like it works ok, so replace both thermostats.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

Sep 17, 2012 | RELIANCE ELECTRIC WATER HEATER

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Themostat is bad


If water heater thermostat is bad, buy a generic thermostat at hardware store and install it according to instructions shown on link below:
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
I usually replace both upper and lower thermostats for about $28.
Lowes sells thermostats and elements.
If your water heater is a single-element/ single-thermostat, you can buy any thermostat with red reset button.
Technically a single-element thermostat has 1 less screw, but either thermostat will work.
If your water heater is 120V or 240V, the same thermostat will work of either voltage.
This is true because the thermostat is a simple bi-metal heat-reading device that does not operate on electric current.

That being said, you might want to test parts before replacing anything, in case problem is element.
To do comprehensive electric water heater troubleshoot:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Image below shows generic thermostat with reset button. Each of these will work for single-element or dual-element tanks with either 120V or 240V. Wires connect just as they did on old thermostat. Tighten wires very tight. Press in reset button to make sure ECO is set. Put insulation and cover back over thermostat when finished.
geno_3245_194.jpg

Dec 22, 2010 | RELIANCE ELECTRIC WATER HEATER

1 Answer

What is the energy factor for the mod.82V80-2? I have two seperate 30amp circuits, one for the top element and one for the bottom element, if that changes anything.


http://www.rheem.com/product.aspx?id=09DF2BDD-5E11-4D32-B574-84ACFB8A4619
http://globalimageserver.com/fetchDocument.aspx?id=052c9e32-ce37-48d7-8990-9e430f23fef3

82V80-2 Energy factor is .86 according to water heater industry self-regulated standards.

Rheem pdf says these water heaters are wired for non-simultaneous operation.
Except special order water heaters.
Non-simultaneous operation uses single 240V circuit as described below.
If your water heater is wired for simultaneous operation, and each element is on a separate circuit, that makes your water heater special order. I would guess the reason is for higher first-hour delivery, which implies rapid heating and would likely affect energy factor.
You might want to get serial number off model and call Rheem for specs on that special order.

Your water heater energy factor may be the same because 'energy efficiency is based on the amount of hot water produced per unit of fuel consumed over a typical day.' This means an aircraft carrier can be considered highly efficient despite overall cost. And naturally the guys making the aircraft carrier are also doing the rating.
http://www.energysavers.gov/your_home/water_heating/index.cfm/mytopic=13000

Non simultaneous operation means the upper thermostat controls heating functions.
240V goes to upper thermostat first.
When water inside tank is cold, thermostat reads temperature through tank wall.
Upper thermostat turns on upper element until top 2/3 of tank reaches thermostat set point.
Once set point is reached, upper thermostat turns off upper element and sends power to lower thermostat and lower element.
Lower thermostat reads temperature through tank wall, and turns on lower element until bottom 1/3 of tank reaches thermostat set point.
As water cools inside tank, lower thermostat is first to respond since hot water rises.
Lower thermostat turns on lower element until tank again reaches set point.
When hot water faucet is turned on, hot water exits top of tank.
At same time, cold water enters bottom of tank through the dip tube.
The heating cycle repeats.
At all times, the electricity flows through upper thermostat. And upper thermostat is powered by one 240V circuit.

With simultaneous operation, the upper and lower thermostats work in same manner.
Except thermostats are wired separately.
Lower thermostat does not wait for upper part of tank to be heated first.
Lower thermostat turns on whenever lower part of tank cools.
The advantage is more hot water available rapidly when demand is high. This is called first hour recovery.

One method for reducing electric consumption is to set lower thermostat so it only turns on during certain times of day. For example Whirlpool Energy Smart operates in this manner and shaves a few bucks off the bill each month. This says that simultaneous operation is not an energy saver, unless that circuit controlling lower thermostat is set on a timer.

Dec 06, 2010 | Rheem 80 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Where is the thermostat in my '05 trailblazer? The check engine light is on and the code is for the coolant system so I changed out the coolant temp. sensor and it is still on so i want to check the...


The thermostat is located on the drivers side of the engine block under the intake manifold. Is the code a p0128 thermostat regulating temp code coming on if so the thermostat should fix it.

Feb 22, 2010 | Grohe Grohtherm Thermostatic Rough-In...

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