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Old 12-04-2019, 09:14 PM   #14
Carl n Susan
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Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,356
M.O.C. #4831
The red LED lights up when you start the gas water heater. As soon as flame is detected, it is turned off. The WH will make 3 tries to light. If no success after 3 tries, it quits leaving the LED illuminated. You have to turn the switch Off then On to try again.
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Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB

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