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

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Tankless water heater was shaking and then a burning smell

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

gary1121
  • 332 Answers

SOURCE: Paloma PTG 74PVN Tankless Water Heater

did you check the filters on the the water valves, i am not exactly sure about your codes that are shoeing but if you could read it and post them, i know on some of the units 76 means there is low water pressure and the filters are behind 2 caps one on each side above the shut off valve take off the caps and remove the screens, clean them and replace them ,, make sure you turn off the water on both side first or you will get wet

Posted on May 29, 2009

gary1121
  • 332 Answers

SOURCE: reset button for tankless water heater

you need to unplug the unit, wait for 30 seconds reset the temp to the lowest temp, then try it, if this does not work it might have done something to the circuit board, are you on a gfi out let it needs to be there is water and ele, and should be on the gfi with a reset on it,,

Posted on Jun 01, 2009

  • 1 Answer

SOURCE: My Paloma tankless water heater flashes C2 11 error code

I just had the same problem and I fixed it in about an hour or 2. First shut off the gas,water and power(unplug it) Take off the cover There are about 20 screws above the electrical circuit board. You have to remove all of those screws to remove plate that is covering the burner assembly. The burner assembly has these 3 pins that look like number 7's these are covered with build up and gas can't flow right. That's why you get the c211 error not enough gas. Take a wire brush and gently remove any build up, I also cleaned the thermocoupler which is next to the burners. It looks like a metal pin with a couple of wires coming out of it this was also very dirty. I took a can of air and basically freshened it up It works perfect now. Email me with any Q's at Mario@myredr.com Good Luck All that you need is a long phillips screw drive and a drill because its about 25 screws
The burner assembly has 2 screws all the in back underneath the assembly once you remove those 2 the assembly comes out . You don't have to disconnect any wires.

Posted on Oct 29, 2009

  • 1 Answer

SOURCE: Paloma tankless, gas, water heater, error code C7 76

My Paloma tankless water heater had a code of C7 - 76. I called the service center at 866-720-2076 and they stated this code showed a communication error between the Water Heater and the thermostat; they stated it was still under warrantee and they would replace it for free. Also, I found out there was a recall related to the door properly shutting. To make it work while waiting for the repair, I would turn off the thermostat, wait 2-3 minutes, and turn it back on. Usually it would work for enough time to shower.

Posted on Oct 06, 2010

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1 Answer

Can i use my old vent pipe i had for my old 40 gallon water heater


If you are installing new tankless in place of 40 gallon gas water heater, then you CANNOT use same vent pipe.
You must use larger diameter pipe that is specified by instruction sheet, and the pipe must be approved plastic or stainless steel to avoid corrosion.
The vent pipe must also have a condensate trap to catch acidic water that drips back down the vent pipe.
The reason is that tankless burn more gas than regular tank-type heater... because tankless must raise temperature quickly as water passes in a pipe.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Gene

Water Heater Timers Save Money

Mar 21, 2015 | Water Water Heaters

1 Answer

Can you convert the tankless water heater model # RL94in from natural gas to propane?


Contact Rinna
Some water heaters allows changeover by installing new chipboard or changing dip switches... some do not.
Propane burns much hotter with higher pressure than natural gas
Gene

Water Heater Timers Save Money

Feb 14, 2015 | Rinnai RL94i Tankless Water Heater

1 Answer

How do i fix my stiebel eltron tankless electric water heater?It stop working..


Th easy fix would be installing a new heating element that has burned out. You don't say what size this tankless heater but if it stopped working entirely you might have just one heating element inside. You can test it by (1) turning off the circuit serving the heater, disconnecting one of the wires to the heating element, then taking an ohmmeter to see what the resistance of the element is. If it is "infinity" then it is open and burned out. Replace element. If it is around 6 ohms (for a 10kW heater running at 240V) then the heating element is OK. Unfortunately those heating elements don't last forever. Check the repair manual on how to replace the heating element.

Dec 07, 2014 | Stiebel Eltron DHC Instant Tankless...

1 Answer

AE 125 Just Stopped Working Altogether,,,Still Has Power But No Light Or Hot Water?


Turn circuit breakers fully off and then back on.
Use nose to smell for burning inside main panel.
Make sure you are getting 240Volt and not just 120V from one leg of the breaker.
Do stress test on breaker panel.
http://waterheatertimer.org/Troubleshoot-household-electricity.html#stress

Least expensive solution: Replace tankless computer for $285 buying tank-type electric water heater from local box store.

If tankless computer is new, then call installer.
If you installed it yourself, call professional installer.
http://waterheatertimer.org/How-to-wire-Tankless-electric-water-heater.html

Gene
h

Sep 24, 2013 | Bosch PowerStar AE125 AE125 Whole House...

1 Answer

No hot water


10-22-12
Copy following links to help identify product and download possible troubleshoot resources:

Tank-type gas
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html

Tank-type electric:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Rheem tankless:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Other types of water heaters include boiler, tankless electric, indirect, solar-assisted, solar, hybrid electric, heat pump, wood-burning, gas hybrid, 3-phase commercial electric.

Oct 21, 2012 | Rheem Water Heaters

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

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

1 Answer

Tankless electric water heater not heating


If you smell it - look fer it. It may be a bad connection on the AC supply line all the way back to the service panel or inside the heater connection panel. Bad connections cause high heat and discoloration of wires or connectors and a serious voltage drop to the appliance.

Jan 29, 2012 | Bosch PowerStar AE125 AE125 Whole House...

1 Answer

Need instructions on how to drain and flush.


You posted under water heaters.
Always let a water heater cool off before draining.
Hot water can cause serious burns. Immediately put burned area into cool water.

There are different types of water heaters, and each might drain and flush differently.
Open following link for typical gas and electric tank-type:
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html#flush

To drain and flush tankless, it can be called de-liming tankless.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html#de-lime
Be sure to read tankless manual for instructions and advisories, and required maintenance.

If you have boiler, or indirect water heater, solar water heater, or RV heater, the instructions above may not apply. be very careful with a boiler due to extreme high temperatures.
Add a comment and give more information about heater, for possible help.

Upvote the help.
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May 17, 2011 | Water Heaters

1 Answer

Hi I have a bosch instananeous hot water heater 16H, it is about four years old. Since quite early in its life the hot water flow has become less and less. now when i turn the hot on full it takes...


1) You might have a simple liming problem, requiring deliming by qualified service technician.
If you want to do-it-yourself, Utube search: de-lime tankless water heater

2) Usually the warranty requires yearly, and periodic maintenance like a new car:
Maintenance protocol requires yearly de-liming.
Tankless cannot be exposed to water exceeding 11 grains hardness, and require softener and filter.

3) Look up your manual on following link and read entire thing to shake off promotion-driven-perception that tankless solve all water heater worries:
http://www.boschhotwater.com/HelpfulResources/BrochuresManuals/tabid/354/Default.aspx

4) The promise of 'longer-life than tank heater' is not supported by actual product warranty.
Check your manual for warranty.

5) Since all costs are energy, tankless can fall short of energy-saving claims.

Feb 24, 2011 | Bosch Water Heaters

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