Question about Rheem Paloma PTG-74XN / RTG-74XN Natural Gas Outdoor

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My Rheem rtg-74 xn-2 won't flow hot water - Rheem Paloma PTG-74XN / RTG-74XN Natural Gas Outdoor

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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mrhotandcold
  • 248 Answers

SOURCE: Rheem RTG-74PVN-1 Water heats for abot 2 minutes

overheat stat or fan, on fan check for small pinhole in rubber tube best of luck

Posted on Oct 29, 2009

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  • 1 Answer

SOURCE: Rheem Pronto RTG-74 error code C4

Error code 13 is "oxygen depletion sensor" activated.
The first number is a sequence indicator.
If you need the training manual I have it and can send it to you.
I got Rheem to send it to me a while back and it is a big help when working with these units.
It covers th RTG-42, 53, 66 and 74.

Posted on Dec 13, 2009

  • 68 Answers

SOURCE: Rheem tankless rtg 74pvn - heater hot water shuts

This is something you will have to contact rheem about due to the fact you don't have a fault code

Posted on Aug 12, 2010

SOURCE: RTG 74-PVN-2 Rheem tankless water

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.

Posted on Apr 10, 2011

SOURCE: I have a Rheem rtg-74pvn-2

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.

Posted on Aug 05, 2011

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1 Answer

Errorcode c4-76?


http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
Combustion parts dirty, lack of yearly maintenance, low flow of gas, flex pipe instead of solid pipe, undersized gas supply, vent not working correctly, bad PC board
Gene

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

Aug 09, 2014 | Rheem Tankless Hot Water Heater...

1 Answer

Rheem RTG-74PVN-2 code c776


Communication fault with remote, but also bad PC board.
Copy following link for troubleshoot resources:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

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

Oct 13, 2012 | Rheem Tankless Hot Water Heater...

1 Answer

Rheem rte13 standby (green) light not on


You might have crossover problem caused by bad faucet cartridge.
http://waterheatertimer.org/Crossover.html

The green standby light should come on when 240Volt power is applied. Page 6 manual.
Both red lights should come on when tankless is activated. Page 6 manual

RTE 13 requires 60 amp breaker and 6 gauge wire
http://waterheatertimer.org/How-to-wire-Tankless-electric-water-heater.html
http://waterheatertimer.org/pdf/Rheem-TanklessElectricUC_AP15447.pdf

Factory temperature setting is usually default 120 degrees.
Adjust temps page 11 manual
Thermostat calibration is always approximate.
120 degrees is not hot enough to burn the skin.
Exceptionally cold incoming water temperature can cause tankless not to heat enough hot water: install tempering tank to preheat water to room temperature.
Tankless cannot be exposed to more than 11 grains hardness in water. Delime tankless yearly, clean water filter monthly, do not install low-flow restrictions or conserve water since the flow rate must remain high for tankless to activate.
Rheem does not post service manuals for their tankless water heaters.
Call Rheem 800 432-8373

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

Aug 05, 2012 | Rheem Tankless Hot Water Heater...

1 Answer

What can cause Hot/Cold spikes on an RTG74-XN


Crossover, low hot water flow, low water pressure, sediment in water lines or heater, heat exchanger needs to be de-limed, water filter needs to be cleaned, water heater temperature set too high, incoming water temperature too high or too low depending on model, MUD or PUD districts with pressure spikes, dirty faucet aerators, loose wires, bad sensor, faulty PD-board, bad venting, dirty burner and combustion parts, etc.

Crossover
http://waterheatertimer.org/Crossover.html
Clean water filter monthly, de-lime tankless yearly
http://waterheatertimer.org/pdf/Tankless-maintenance.pdf
http://waterheatertimer.org/pdf/Rheem-De-lime-tankless.pdf
No error code:
http://waterheatertimer.org/pdf/No-Error-Code.pdf
Overcoming fluctuating temperatures:
http://waterheatertimer.org/pdf/Bosch_Overcoming_fluctuating_temps.pdf
Resources:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Sep 20, 2011 | Rheem Paloma PTG-74XN / RTG-74XN Natural...

1 Answer

Indoor tankless 74-pvn. power went off and has returned. get error code 24 when try to power on


Open following links for Rheem troubleshooting resources, including Rheem chat, error codes, and possible manual.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
http://waterheatertimer.org/pdf/Tankless-maintenance.pdf

Error codes are considered start-point for troubleshoot.
Error code 24 is malfunction of operational switch: press max or min button on PC board to reset, -or- replace PC board.
Max-min button is sometimes located above dip switches, and can be 1 button that is rotated with screwdriver or 2 separate buttons. Look at wiring diagram in manual that came with product.

Fix most tankless problems yourself, same day, for $330.
http://waterheatertimer.org/How-to-install-gas-water-heater.html

Aug 14, 2011 | Rheem Tankless Hot Water Heater...

1 Answer

PTG-53XN error code p1. And hot water turns off.


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

Error codes are considered start point for troubleshooting, and can sometimes mislead.
Error P1 is 'not enough water to operate the unit:'
http://waterheatertimer.org/pdf/Rheem-Error-code-P1.pdf

This problem can be caused by plumbing problems such as crossover, or clogged water lines, or dirty water filter, or clogged water softener, or temperature of unit set too high. Or combination of these problems.
Remember if temperature is set very high, then more cold water is used at the faucet. This means less hot water is drawn through the tankless water heater, so the flow rate may drop below activation threshold.
http://waterheatertimer.org/Crossover.html
http://waterheatertimer.org/Low-hot-water-pressure.html

Jul 08, 2011 | Rheem Tankless Hot Water Heater...

1 Answer

Please help me to download an instruction manual for a Rheem 24 continuous flow hot water unit. I cannot find mine. The Unit's serial number is-- DAUHO9A24. My immediate problem is that the hot water...


http://www.greatergoods.com/store/energy-savers/tankless-water-heaters/rheem-rtg-74-dvn-natural-gas-tankless-water-heater/prod_386.html
manual above.
I professionally recommend that you get a Plumber/Gasfitter, to check this over, as this isn't usual, and I wonder if there are not "Other" problems too... with anything that uses Gas one has a responsibility to the entire family to have it professionally checked over, in my humble view..

Mar 08, 2011 | Rheem Tankless Hot Water Heater...

1 Answer

Rheem tankless rtg 74pvn - heater hot water shuts


This is something you will have to contact rheem about due to the fact you don't have a fault code

Jul 13, 2010 | Rheem Tankless Hot Water Heater...

3 Answers

Rheem Pronto RTG-74 error code C4


Error code 13 is "oxygen depletion sensor" activated.
The first number is a sequence indicator.
If you need the training manual I have it and can send it to you.
I got Rheem to send it to me a while back and it is a big help when working with these units.
It covers th RTG-42, 53, 66 and 74.

Apr 29, 2009 | Rheem Tankless Hot Water Heater...

1 Answer

No hot water


there are filters on the shut off valves one of them could be clogged in wich case you are only using 1 unit and the 74 can not keep up with 3 showers, how long have you had these units? write me back gary1121@aol.com

Feb 23, 2009 | Rheem Tankless Hot Water Heater...

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