Question about Rheem Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm

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Tankless water heater stopped working.

I've had a Rheem gas tankless water heater which is installed in the attic. It's been working fine and then it stopped working. The power supply and gas supply are not the problem. What other issues or problems might it have?

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If you dont get any code then it is the circuit board..you will need to contact rheem or have a qualified technician check it

Posted on Aug 12, 2010

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Posted on Jan 02, 2017

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Need repair and diagnosis


http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html#no-error
Fix any tankless problem quickly yourself today for $380... and install tank-type heater:
http://waterheatertimer.org/How-to-install-gas-water-heater.html
Don't buy tankless... don't buy Rheem products... seriously now.

Gene
h

Jan 23, 2014 | Rheem Tankless Water Heater RTG-74XN-1,...

1 Answer

My Paloma pg-711fr is turning itself off and error 12 comes up


Copy following link for error codes and Rheem-Paloma tankless troubleshoot.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html#error
Add a comment and say if this is new installation.
Call Rheem and hear them tell you to call the tankless installer, or hire local service technician to check your tankless computer that heats water, and catch up on required monthly and yearly maintenance. For example cleaning burner and flame rod, or replacing bad flame rod, or installing correct gas line, or checking gas pressure etc.
Fix any tankless problem yourself, any brand tankless, same day for $385, by replacing 1 part: the whole thing:
http://waterheatertimer.org/How-to-install-gas-water-heater.html
Do not install tankless.

Jul 21, 2013 | Water Heaters

1 Answer

I have a Rheem rtg-74pvn-2 tankless water heater installed in 03/09. Intermittently the hot water stops when only the hot water tap is on. No error codes appear. Bill W.


Before calling service technician, open following links for resources including Rheem chat and possible manual:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
http://waterheatertimer.org/pdf/No-Error-Code.pdf
http://waterheatertimer.org/Crossover.html

Typical tankless manual says to have yearly service which includes checking household plumbing, gas supply, vent and condensation, check sensors for loose wires, clean and inspect burner parts and ignition factors etc.

Aug 04, 2011 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

1 Answer

The instructions on my Richmond tankless water heater talk about cleaning a water filter but give info on where it is or how to remove it I have a rmtgl74pvn


The manual may be suggesting that you clean in-line water filter installed before tankless unit.
Tankless might also have a screen filter where water enters unit.
Open following link for troubleshooting resources:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Contact Rheem:
http://www.rheem.com/products/tankless_water_heaters/customer_support/

Jul 04, 2011 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

1 Answer

Rheem pronto tankless water heater just barely warm model # 74pvn-1. This is in a house we are just purchasing. Also it looks like it may be attatched to another tank water heater , Help please


Before calling service technician, open following link for Rheem troubleshooting resources.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Sometimes people attach tankless to tank-type heater to preheat incoming cold water.
Additional tanks are also used to store solar heat, and some installations have tank-type because tankless is unreliable. Service technician can sort out the function correctly.
http://waterheatertimer.org/Tempering-tank.html

Owner should read tankless manual thoroughly, especially troubleshoot and maintenance sections. Tankless require yearly maintenance.

Since tankless are expensive to repair and replace, you might be able to fire up the tank-type water heater and provide hot water without much cost.
You can also install tank-type gas water heater yourself. Lowes sells 40 gallon for $317.00, and then you offer 10% less.
http://waterheatertimer/How-to-install-gas-water-heater.html

Apr 19, 2011 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

1 Answer

Unit wont run and thers no error code


1) Rheem offers on-line chat, which you rarely see for typical tank-type water heater
http://www.rheem.com/products/tankless_water_heaters/customer_support/
http://www.rheem.com/hrc.aspx

2) Call local service technician, and put that person in your rolodex-wallet for future help.
When technician arrives, ask that person for tips and tricks keeping unit working with regular maintenance.
They will gladly offer yearly service.

3) Read manual several times get accustom to yearly maintenance required for tankless water heaters. Tankless water heaters are maintenance heavy. All costs are energy.

4) Read manual several times and notice word troubleshoot appears many times.
Since tankless are complicated machines, many internal and external factors can affect operation, especially as unit ages.

5) Look at label on unit to identify exact product number. Identify same/similar product at Rheem, and become familiar with Rheem website
http://www.rheem.com/products/tankless_water_heaters/

6) Read other question/answers at fixya about Rheem tankless to become familiar with the tankless era
http://www.fixya.com/tags/rtg_74pvn

7) Install DIY tank-type gas water heater and avoid the whole headache
http://waterheatertimer.org/How-to-install-gas-water-heater.html

8) Add a comment for more free help.
Also 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.

Mar 16, 2011 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

1 Answer

BOUGHT THE UNIT IN JULY 2009 WORKED FINE UP UNTIL THREE DAYS AGO WHEN I RUN THE HOT WATER IT RUNS FOR A FEW MINUTES THEN SHUTS OFF.


1) Rheem offers on-line chat, which you rarely see for typical tank-type water heater
http://www.rheem.com/products/tankless_water_heaters/customer_support/
http://www.rheem.com/hrc.aspx

2) Call local service technician, and put that person in your rolodex-wallet for future help.
Ask technician for tips and tricks for keeping unit working and needed maintenance.
They will gladly offer a yearly service.

3) Read manual several times to get accustom to yearly maintenance required for tankless water heaters. Tankless water heaters are maintenance heavy. All costs are energy.

4) Read manual several times and notice word troubleshoot appears many times.
Since tankless are complicated machines, many internal and external factors can affect operation, especially as unit ages.

5) Look at label on unit to identify exact product number. Identify same/similar product at Rheem, and become familiar with Rheem website
http://www.rheem.com/products/tankless_water_heaters/

6) Read other question/answers at fixya about Rheem tankless to become familiar with the tankless era
http://www.fixya.com/tags/rtg_74pvn

7) Install DIY tank-type gas water heater and avoid the whole headache
http://waterheatertimer.org/How-to-install-gas-water-heater.html

8) Add a comment for more free help.
Also 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.

Mar 14, 2011 | Rheem EcoSense by 4.2 GPM Tankless Water...

1 Answer

RTG 74-PVN-2 Rheem tankless water heater. Works fine for a month or so at a time, then I get C2 - 13 error code. Did I hear this model was recalled?


Before calling service technician, open following link for Rheem troubleshoot resources including error codes and typical manuals.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
Recall website:
http://www.tankless-recall.com/tanklessSearch.aspx
Error code C2 13 call Rheem.

Read manual cover-to-cover to make sure your tankless water heater receives yearly maintenance required for unit to continue working.
Tankless are maintenance heavy which can quickly eliminate any promised energy savings unless you de-lime and troubleshoot and read tips-and-tricks others have written and glean information from service technician who visits your house. Mostly glean how much tankless repairs and parts cost vrs buying whole new tank-type gas water heater at local box store, since all costs are energy.

Feb 16, 2011 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

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