[Shop-talk] Reznor 50K ceiling hung natural gas heater probem

Jim Stone 1789alpine at gmail.com
Sat Oct 22 19:44:44 MDT 2022


Not to insult anyone’s intelligence, but before replacing it, make certain it is properly in the pilot light flame.  I had this happen years ago on a water heater and it drove me crazy until I bent it slightly to move it back into the flame.  It was fine from then on.

> On Oct 22, 2022, at 5:51 PM, Pat Horne <patintexas at icloud.com> wrote:
> 
> Sounds like a bad thermocouple to me. Take it out & find someone who can test it. If they say it’s bad, replace it, if they say it’s good, it is probably good. I had one decades ago that tested good but wouldn’t work with the pilot flame. The end @ the pilot should not be corroded or loose. If you have a voltmeter you can do a rough (no load test) to see if it’s bad. Should be plenty of videos on line. 
> 
> Peace,
> Pat
> 
> Pat Horne 
> We support Habitat for Humanity
> 
> 
> On Oct 22, 2022, at 4:44 PM, john <jniolon at att.net> wrote:
> 
> 
> Winter's coming...thought I'd light the pilot and be ahead of that first cold day...
>  
> Pressed in the pilot button... propane torch up the hole... after a few seconds the pilot lit
> Held the button for 30 seconds and let it go...flame goes out
>  
> lowered the pilot assembly to see what happens ...same drill
>  
> pilot lights.... then goes out when releasing the pilot button...
> flame is on the thermocouple
>  
> what you think >>>  bad thermocouple ???
>  
> thanks
> john
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