Question about Reliance Natural Gas Water Heater Control
Posted by Anonymous on
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
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
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
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.
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.
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.
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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