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Heater is not working

Remote indicator is showing that the sauna heater is turned on but the heater is not producing heat.

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Water heater


Most instant-on tankless water heaters require at least 10 psi of water pressure to start the heating process. The flow of water determines how hot the water will be, within the heating range. An electric 110 volts heater will increase the water temperature about 25 degrees F. A gas water heater will increase the water temperature about 45 degrees F.
Too much flow will not allow the water time to heat. Too little flow will not allow the heating system to work. Each heater must have the outflow water flow adjusted for the best heating outcomes. The best way to find the ideal flow is to turn the hot water facet on and adjust it (open or close) until the water reaches the balance of producing hot water.

Apr 25, 2016 | Water Water Heaters

1 Answer

How do I get the back heaters to turn on, I would like to find a manual for my sauna


Natasha, honey, I don't know your make/model; but go to their web site and download it.

Oct 13, 2014 | Eacon Far-Infrared Sauna Cabin - 3 Person

1 Answer

Heat is not working on hvac package unit


The unit you state is a Sauna heater/humidifier. I do not understand how or why it is connected to a heating ventalting air conditioning (HVAC) system, please explain.

Mar 17, 2014 | Tylo COMBI-U7 Heater

1 Answer

Very minimal hot water being produced from my water heater


1) Clean air intake, and do required yearly maintenance.
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
http://waterheatertimer.org/How-to-replace-thermocouple.html

2) Gas control valve thermostat could be going bad, causing disruption of gas to pilot, and uneven heating of water.
http://waterheatertimer.org/pdf/How-to-replace-water-heater-gas-valve.pdf

3) Without knowing brand and model number that shows on label on side of tank, it is difficult to add specifics.

Dec 31, 2012 | Water Heaters

1 Answer

The thermal cutout pops on tank two after it shuts off. It boils then shuts off. It also turns off when taking a shower, producing cold water. I checked the ohm readings on the thermal cutout and the...


Question posted under Bosch tankless.
Question says 'tank'
Brand, model, and type heater unknown.
Elements mean electric.
'Thermal cutout pops when taking shower produces cold water' indicates tankless, since tank-type would maintain some hot water.
No error code might indicate tank-type.
Add a comment with type, brand and model number of heater for possible assistance.

Sep 24, 2012 | Bosch PowerStar AE125 AE125 Whole House...

1 Answer

I have a Rheem rtg 74dvp but its not heating and the display show me 1 76 and 2 76, and come all the time to 76 F and another times its blinking the temperature, but not heat


Error code 76 is communication problem between remote control and tankless unit.
http://waterheatertimer.org/pdf/Rheem-error-code-C7-76.pdf
Multiple error codes could indicate that main PC board is bad.
Before calling service technician, open following link for troubleshooting resources including link to Rheem chat, manuals, error codes, etc.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Jul 15, 2011 | Rheem Tankless Water Heater RTG-74DVP...

1 Answer

My water is not hot. Do I need a new thermostat?


Depending on the age of your unit, it could be thermostat(s). The heater has two, an upper and a lower. If you got this new and are familiar with the unit, have you noticed a decrease in the temp of the water or, does it turn cold sonner than usual? It's not likely that both thermostats would go bad at the same time but, if you noticed less then premium hot water supply, you may have been operating off of one for a while. First, make sure your breaker is on and, if you have a timer on the heater, make sure it's working. Also make sure you don't have a remote switch that may have been tirned off. You should have 110v to each element and, you can turn power off and check for continuity. Try turning your thermostats up and see if the heater produces even warm water. If it does, you have bad heating elements.

May 25, 2011 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Remote control error code is C7 or CF, What does this mean?


Hi Bob, sorry for the problem.

Error codes are a starting point for diagnosing problems, and the same error on one machine can have different cause and solution than another machine.
Open following link for Rheem troubleshooting resources that will be handy to keep on file.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Generally C7 is remote cannot communicate with tankless unit.
Your remote is connected by wire back to the heater.
You can turn power off, remove remote wires from connection terminals on tankless, turn power on, check if tankless works correctly.
If tankless works, then problem is the remote control, or wiring, or parts inside tankless.
Chances are good, the wires are not the problem.
New remote costs $99, but that may not be the problem, so instead of guessing, you should call a service technician.
Steps above could restore functionality and water heater will produce hot water at default temperature.

Also read manual for advisories, troubleshooting error codes, and required maintenance.
For example water filter should be cleaned monthly and heat exchanger de-limed yearly.
Tankless are maintenance heavy, and parts and service combined with maintenance makes these units a risky investment compared with expected $1-8 monthly savings from owning gas tankless.
Reading the manual can save some expense, and the link above is a good resource for people wanting to hold down costs.

Repair most tankless problems yourself, same day, any brand for about $330.
http://waterheatertimer.org/How-to-install-gas-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.

May 15, 2011 | 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...

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