Question about RTO Atwood Water Heater - 6 Gal LP

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Hot water heater flame problem

Water heater lights okay. at sea level flame does not enter flame tube but comes back past igniter etc. at higher altitudes the flame enters the flame tube and exits out the exhaust end but with so much pressure it extends 3 or 4 inches outside the end. tube is clean not blocked etc. any ideas?

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  • RTO Master
  • 15,478 Answers

What size is the orifice? Are you using LPG or CNG? What pressure is the regulator set to?

Posted on Jul 15, 2013

6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

Gort007
  • 1187 Answers

SOURCE: Atwood water heater - pilot light and flame malfunction

Michael,
The thermocouple sensor may not be in the best position to sense that the pilot is lit.
Adjust the thermocouple mount or simply bend the thermocouple "wire" so that the pilot flame is touching the tip.

Posted on Oct 13, 2009

motor1258
  • 6674 Answers

SOURCE: On an atwood water heater, I have a small yellow

You need to have a manometer (pressure test) done on your system. If all that is new and clean, as stated, then you either have low pressure or a faulty/improper, gas control.How's the flames look on stove burners?

Posted on Jun 21, 2010

heatman101
  • 43501 Answers

SOURCE: I just replaced my gas

Hi,
There are a couple of things to check....
I am assuming that the gas is LP or Propane....
make sure that the gas valve is for the right gas and not natural gas...
Also, it is possible that the regulator that cuts the pressure from the tanks is bad and that maybe why the original gas valve failed....
If you have the correct gas valve installed, get a gauge and check the pressure of the gas right before the gas valve...it should be somewhere between 8 and 12 inches water column...
If the regulator is not working properly, check that the vent hole in the regulaor is not plugged by a mud wasp nets or something like that...

heatman101

Posted on Jul 16, 2010

motor1258
  • 6674 Answers

SOURCE: My atwood water heater has spark and will light

If you see a little short round (cut-out)diode-like piece inside a clear plastic sleeve that runs from wiring to thermostat terminal,(usually right under pressure relief valve) remove it from the thermostat terminal, as well as wiring from heater (take it right out of the circuit) and connect that wire directly to the spade connector where it was attached at thermostat, and now try it. They are a one shot cut-out, and if it went, no power gets to the system and by removing it, you will see if it's the problem or not. They are a safety device that if for some reason you get too large of a flame from water heater, and it feels the flame/heat, it blows and cuts off power. Should be replaced when you get a chance, but at least you'll know what the problem is. Let me know if that works please.

Posted on Jul 22, 2010

motor1258
  • 6674 Answers

SOURCE: I have a 6 gallon

Your on right track. When this happens and small flame still there, pull wire(s) off at gas valve, or test for voltage from ECO to gas valve. No voltage, then there should be no gas. Change gas valve.

Posted on Oct 20, 2010

Testimonial: "Changed the gas valve, now heater works as it should, No fumes and no flame after shutoff."

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1 Answer

When trying to ignite electric pilot light, when pushing button to ignite, pilot doesnt spark to create flame


Pull out sparking rod and lightly polish with fine steel wool. then put back together. Could be in control box but I doubt it. You will probably see mild corrosion on rod.

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Digital signal


Bad gas control valve
air in gas line
clogged manifold tube
clogged burner ports
inadequate venting
screens prevent flammable vapor ignition.
Otherwise no danger.
http://www.thetankatwaterheaterrescue.com/forums/forum3/
http://waterheatertimer.org/pdf/Find-Age-of-water-heater.pdf
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
Gene
hh

Oct 06, 2013 | Reliance & LP Gas Water Heater Control

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Water heater flame problem


Check your exhaust, see if its clogged or blocked, clean the flame sensors, I that does not work, then your gas valve is starting to go bad, there is a cap on it if you take the cap off you can turn the gas flow down a little bit,

Jul 14, 2013 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

Kenmore Water heater, Model # 153.339462, Pilot lights, burner burns for approx. 10 - 15 minutes then both go out. after which it is more difficult to light the pilot. I need ideas please


Clean combustion parts, clean air intake, get more air to water heater and see if problem continues.
Look at color of burner flame and pilot flame: if flame has yellow-and-orange instead of clear blue flame, then combustion parts need cleaning.

Pilot and burner problems can be caused by bad thermocouple, thermocouple not sitting in flame, weak pilot flame due to dirty tube or low gas pressure, air in gas line, no draft up vent, backdraft coming down vent, dirty combustion parts, clogged air intake, insufficient air, insufficient air quality, hot attic, bad gas control valve, etc.

Open following link for pdf resources, and illustrations for cleaning combustion parts, and some service manuals:
http://waterheatertimer.org/How-to-install-gas-water-heater.html#troubleshoot

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Sep 03, 2011 | Water Heaters

1 Answer

I have an Atwood hot water heater in a Bounder motorhome. When I turn on the switch to fire up the electronic ignition, it instantly blows the 12v fuse. An inspection of the unit shows wiring with melted...


My guess is that you may have or have had a spider web or other debris in burner tube that caused flame to back up, thus burning some wiring but, have someone experienced check it and clean it. The wiring if not burned too bad may be able to be repaired/spliced.

Jul 03, 2011 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

We have a 10 year old Rheem PVW50 Power Vented water heater that works on gas. The last couple of days it has been giving out problems. It will not maintain hot water in the tank. I restarted it and...


The igniter is glowing, but no gas ignites?
So either the gas is entering combustion chamber and not lighting because igniter is positioned incorrectly -or- no gas is entering combustion chamber because air in gas line or bad gas control valve thermostat or gas line is clogged.
When you 'restart' the water heater, somehow you are getting gas to the burner and it is igniting.
I'm not sure what the flame switch is. If the ECO was cut out, the gas control valve would not send power to the igniter and there would be no gas available for 'restart.'
I would adjust location of igniter, check if gas is entering combustion chamber, clean the gas line to the burner, and bleed gas line for air, but another suspect could be the gas control valve thermostat.
Identifying numbers are usually on side of gas valve.
Open following link to help identify gas valve:
http://waterheatertimer.org/How-to-adjust-temperature-on-water-heater.html#intelli
http://waterheatertimer.org/How-to-install-gas-water-heater.html#clean

Jul 02, 2011 | Rheem Water Heaters

1 Answer

Sometimes it doesn't light at all other times during use the hot water goes off and the box keeps flashing green as it continues to spark


it sounds like the flame sensor is dirty or faulty. when the pilot lights the flame sensor rod recognises the flame to allow the main gas valve to open and ignite the burners. you can clean the flame sensor with some steel wool or sandcloth

Dec 29, 2010 | Bosch & Tankless LP Hot Water Heater

1 Answer

No hot water, pilot light lights but no burner ignition


Thermo coupler may be defective. it controls the main gas valve by closing main if pilot is out. make sure thermo coupler bulb is positioned over and near tip of pilot flame, but not in the flame. Thermo couplers are inexpensive and easy to change out.

May 05, 2009 | Bosch & Tankless LP Hot Water Heater

1 Answer

Hot water heater doesn't work 2 years old


First I would check to be sure your propane tank(s) are not empty and valve is not turned off and that the required gas pressure is being delivered to the unit i.e. pressure line tubing is not kinked or leaking - pressure regulator is operating properly.

Another culprit could be the thermocouple is malfunctioning or is not positioned properly, hence not allowing it to sense the flame.

Feb 21, 2009 | Water Heaters

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