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So Smith electronic water heater shows flashing light and pilot is lit but the burner will not light. Have tried 3 times. What could be wrong?

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Gas valve get an engineer

Posted on Aug 20, 2019

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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SOURCE: water heater pilot light

it also sounds as though the pilot injector could be blocked so when the boiler comes on it extinguishes the pilot & then when the burner goes off boiler shuts down, or also the pilot rate maynot be set right, so when the main burner kicks in it robs the pilot of the gas it requires.
It could be that, or there is lack of ventilation for the boiler, so you get flame lift off when the boiler fires?

Posted on Dec 15, 2008

john224
  • 1378 Answers

SOURCE: Natural gas hot water heater not stying lit

Probably a bad solenoid in the gas valve. Higher voltage of a new thermocouple keeps it open longer but it still fails over a period of time. Look into a new gas valve for the water heater.

Posted on Dec 17, 2009

c7121
  • 160 Answers

SOURCE: The pilot light & will stay lit. untill the burner cycles on/off

MAKE SURE THE BURNER TUBE AND ORIFICES ARE CLEAN. MAKE SURE YOU HAVE THE PROPER LP PRESSURE.

Posted on Jan 09, 2010

  • 48 Answers

SOURCE: hot water heater pilot light will not stay lit

You need a new gas control valve.

Posted on Apr 13, 2012

emissionwiz
  • 85160 Answers

SOURCE: A O Smith nat. Gas hot water heater burner not lighting. What is cause and solutions?

The gas valve is most likely defective, that is really the only thing that can cause this problem. they are cheap and easy to replace. REMEMBER SHUT THE GAS OFF THE WATER HEATER AND THE HOUSE TO BE SURE OF NO FIRE OR EXPLOSION BEFORE ATTEMPTING ANY REPAIRS..

Posted on Sep 28, 2016

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1 Answer

A O Smith nat. Gas hot water heater burner not lighting. What is cause and solutions?


The gas valve is most likely defective, that is really the only thing that can cause this problem. they are cheap and easy to replace. REMEMBER SHUT THE GAS OFF THE WATER HEATER AND THE HOUSE TO BE SURE OF NO FIRE OR EXPLOSION BEFORE ATTEMPTING ANY REPAIRS..

Sep 28, 2016 | Water Water Heaters

1 Answer

Does the pilot light always stay lit on this water


Many water heaters today are pilotless.
Call manufacturer with model and serial number

Gene.

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

Sep 04, 2013 | RTO W4 A.O Smith Gas Hot Water Heater...

1 Answer

GCV 40 100 Burner and pilot shuts off when heating up


Get more fresh air to the unit.
Clean the air intake/ flame trap/ flame arrestor located on bottom of tank.
http://waterheatertimer.org/images/Flame-trap-inspection-325.jpg

Post question on pro water heater forum.
http://www.thetankatwaterheaterrescue.com/forums/forum3/

Add a comment with type of gas control valve, for possible troubleshoot.
Copy following link to read service manual by type of gas control valve:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent

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

Aug 17, 2012 | A.O. Smith GCV-40 Promax Residential Water...

1 Answer

I have an A.O. Smith Permaglas Water heat (Natural Gas) that will not stay lit.


There may be a draft blowing out the pilot. Place some fiberglass insulation inside the cover for the burner or pull down the insulation from inside the jacket just over the burner opening.

Mar 03, 2018 | Water Heaters

2 Answers

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.

Jan 10, 2011 | Reliance Natural Gas Water Heater Control

2 Answers

Natural gas hot water heater not stying lit


Probably a bad solenoid in the gas valve. Higher voltage of a new thermocouple keeps it open longer but it still fails over a period of time. Look into a new gas valve for the water heater.

Dec 17, 2009 | General Electric GE SmartWater Household...

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...

1 Answer

My 1.5 yr old gas water heater has a pilot light problem


YOUR WATER HEATER HAS WHAT IS CALLED A STANDING PILOT-STAYS LIT ALWAYS WHEN THE PILOT GOES OUT YOU LOOSE EVERYTHING. YOU HAVE TO REPLACE THE THERMOCOUPLE WHICH KEEP THE PILOT LIT. ONCE THE PILOT IS LIT THE THERMOCOUPLE SENDS IN MILLIVOLTS TO THE BURNER TO SAY ITS READY FOR BURNING
IF YOU ARE NOT FAMILURE WITH THIS REPLACEMENT PLEASE FIND SOME ONE WHO CAN. IT IS NOT HARD TO DO ASK A NABOR OR FRIENDS SOME HAS TO KNOW HOW. SERVICE COMPANYS ARE OUT FOR THE MONEY FOR A 10 MINUTE JOB

Aug 10, 2009 | Water Heaters

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