Question about Reliance Natural Gas Water Heater Control

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My 30 gallon satellite water heater will lite the pilot but the burner is only half lit, the pilot is always lit , but it cools down real fast.

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Sounds to me like the gas orifice is partially plugged. Or your burner is dirty and should be cleaned.

Posted on Dec 17, 2014

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Posted on Jan 02, 2017

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Bat1956
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SOURCE: I tried to drain my electric water heater. After

The "sacrificial rod" is actually there to prevent the heating elements from being eaten away. by electrolysis. If the deposits in the bottom of the tank are simply from sediment from your water, the tank may be fine. You won't know though until you get the tank drained and inspect the elements. The drain valve screws in just like any other piece of pipe if that helps you get it drained, or a piece of wire through the valve may work but you might damage the rubber washer in the valve. Once drained, and the element removed, inspect the element. There should not be any fissures in the element if you have an otherwise healthy tank. visible blowout usually means the rod has failed.
The presence of heavy deposits indicates hard water, which results in shortened tank life.

Posted on Jul 11, 2009

  • 2468 Answers

SOURCE: i have a 40 gallon reliance 606 gas water heater,

replace the thermocouple assy in the burner area

Posted on Mar 09, 2010

  • 1 Answer

SOURCE: Pilot won't stay lit in Reliance 606 gas water heater

The Reliance 606 has an enclosed thermal couple. Before you try taking that assembly apart take a wire brush to the bottom opening directly under the burner. There is a metal filter on the very bottom of the water heater. It could be that the filter has gotten filled with dust or animal hair. It took a serviceman 2 days to figure this out for me. The water heater has to have good airflow through that filter to work well.

Posted on Sep 29, 2010

  • 2 Answers

SOURCE: I have a Reliance water heater - 40 gal Model

In my first 15 years as a plumber I never saw a pilot light issue on a gas WH that a new thermocouple didn't fix. Since the government mandated a redesign of the fire box, I've seen three that nothing ever fixed - two Whirlpools and one (my usually ultrareliable) AO Smith - including replacing the entire burner assembly and the regulator. And I've heard of many others.

Check the thermocouple connection for tight. (Don't strip.. threaded soft metals.)
Check the microvents on the bottom ? of the burn box for dust, even if it is new.
Call Reliant and demand new units until you get one that works.
Try another model. Consider a 52gal electric.

I've always recommended gas over electric, and AO Smith and Rheem were my recommendations (and "Reliants" were "lumber yard" water heaters. Sorry.)

Since the mandated redesigns, I don't really have a "proven reliable" model to suggest. I increasingly believe the restricted air flow design is the ultimate culprit, including any changes to the thermocouple/regulator construct to accommodate the restricted air flow design. Just my hunch.

Offered for what its worth. -- plumber in Indiana.

Posted on Jan 11, 2011

SOURCE: Our 40 Gallon Reliance 501

Many problems are solved by replacing thermocouple, but usually pilot will not light if thermocouple is bad. And some Reliance water heaters, the thermocouple is grouped with TCO and not generic part from hardware store.
If the combustion chamber is sealed with gasket, you might need spare gasket on hand before taking out the burner assembly to replace thermocouple.
http://www.youtube.com/watch?v=v0aBPsNg6vo

Gas water heaters can malfunction for many reasons.
Service tech is best resource unless you have manual and can take time learning parts and how to replace.

Gas water heaters require periodic cleaning of combustion parts and tubes.
http://waterheatertimer.org/How-to-install-gas-water-heater.html#troubleshoot

Other ez problems include:
Gas shut off valve not fully open and handle is not parallel with gas line, so gas is partially shut off
If water heater flooded, then replace heater.
Excess water vapor from bad venting rusted out the burner parts. Inspect burner for rust.
Not enough combustion air, for example the house was recently weather-tightened, or a louvered door replaced with solid door. Or air intake screen located on bottom of heater is clogged with lint or dust.
Very hot attic can cause pilot to go out.

Trace amounts of pool chemical, laundry chemical, process chemicals, wax, etc can cause damage to burner parts.
Low gas pressure can cause problem.
Air in the gas line.

Bad gas control valve.
If ECO was tripped, there should be no gas to pilot.
Gas control valve might have debris or water from gas line.

If FVIR event tripped FV sensor, that would explain problem, and you would need service technician.

If repairs cost more than $330, then buy and install new water heater yourself, same day.
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.

Posted on May 24, 2011

Testimonial: "Thank you for your response. We ended up cleaning the burner parts the best we could and flushing the tank. Whatever it was it worked! Thx again."

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1 Answer

Cannot get the pilot light to stay lit. Replaced the thermocouple and the problem still exists


Burner parts need yearly cleaning, air intake needs periodic cleaning, burner parts cannot be exposed to trace amounts of chemical without damaging parts, no water should be dripping down from vent, vent should be checked for updraft, ample combustion air is required especially in closed basements, tight houses, and hot attic, bleed gas line to remove air, check that gas control thermostat is functioning.
Open following links for pilot light help:
http://waterheatertimer.org/How-to-install-gas-water-heater.html#troubleshoot
http://waterheatertimer.org/pdf/Pilot-light-will-not-stay-lit.pdf

Aug 07, 2011 | Rheem 50 Gallon FVR NATGAS Water Heater...

1 Answer

Basemnt flooded water heater wont stay lit ever since, taken out burner assembly severl times now stays on long enough to heat water then shuts down soon after.replaced thermocoupler and have to lite...


Sounds like the air intake is clogged, and pilot and burner tubes are dirty.
All manufacturers say that flooded water heater should be replaced and not repaired.

You can clean air intake and burner assembly, and then next step would be to replace burner assembly and replace gas valve thermostat to see if functionality returns.
Expense of replacing parts is about half the cost of new gas water heater from box store, and still no guarantee that old heater will work.
http://waterheatertimer.org/How-to-install-gas-water-heater.html#clean

Jun 22, 2011 | Water Heaters

2 Answers

Pilot light and burning will not stay lit. Basement flooded and after all water was gone tried to lite the burner. Could not keep it lit. Called a service tech and they came out and cleaned the burner...


Manufacturers say to replace water heater after a flood.
Flooded water heater can be repaired by replacing parts but warranty is voided.
And if water heater reached gas control valve, then gas control has to be replaced >> possibly the gas valve eco tripped.

I don't know how effective cleaning burner parts will be, since a small spider wed inside some of those tubes can cause water heater not to function. Small obstructions cause big problems.
I'm sure the plumber cleaned it out real well.
Find manufacturer using label on side of tank, find manual with parts diagram, and order burner parts.
http://waterheatertimer.org/Water-heater-manufacturers.html

It might be cheaper to install a new water heater yourself from box store
http://waterheatertimer.org/How-to-install-gas-water-heater.html

I read one article:
http://www.diychatroom.com/f7/rheem-hot-water-heater-pilot-burner-not-staying-lit-65755/
Guy has water heater that filled with water.
He says: "I decided to feel around. As soon as I put my finger into the hole under the burners I hit water. The air intake passage was filled with rain water, effectively chocking off the fresh air. A few minutes with a siphon tube cured the problem and the water heater works normally again."

Absolutely feel obligated to upvote the help.
Or 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 06, 2011 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

The pilot will not stay lit after water in tank reaches desired temperature. After tank cools down pilot will relight and heat water again thyen goes out approximately 1-2 minute3s after water has been...


Hi,
Thermocouple is getting weak... the extra heat from the main burner will keep it lit but after it goes out the thermocouple will then shut down..
Replace the thermocouple...

heatman101

Apr 30, 2011 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

Burner lites but goes out after 2 or 3 min.


the white rodgers gas control needs to be replaced;
the way it works is: the thermocouple opens the pilot gas circuit and, holds it open
when it heats up by creating a magnetic field in the gas control then: when you turn
the knob on the gas control to "on" a valve inside the gas valve opens the main gas circuit and, electricity supplied by your RV keeps it open.
the main gas coil inside the gas valve is defective and, can not hold the main gas circuit to the burner open anymore.

Jul 24, 2010 | RTO Atwood DSI-RV Water Heater-6 Gallon

3 Answers

Pilot light on water heater wont stay lit


The thermocouple has failed. It is the temp probe that goes from the pilot lite burner area to the control valve. Go to your local plumbng repair shop and buy one. Most appliance parts stores have them also. Take the old one with you and they will hook you up with an exact replacement. They are not that hard to change. Usually a nut or 2 screws in the temp bulb area at the burner end and a nut that threads into the control valve.
Make sure before you install the new one that the area where it mates to the gas valve is clean. Should be about a 20 min job including clean up with replacement parts in hand.

Jan 23, 2010 | Rheem 40 Gallon FVR NATGAS Low WATER...

2 Answers

Gsw heater pilot stays lit, but when the main


It sounds like your main valve. The diaphram may be loose fitting or it has a small leak.

Oct 03, 2009 | Fasco GSW Hot Water Heater Exhaust Draft...

1 Answer

Water heater pilot wont stay lit


try cleaning the top of the pilot light jet if you can get to with small brush then blow it clean with a compressor.

Aug 30, 2009 | Rheem 50 Gallon FVR NATGAS Water Heater...

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