Question about Heating & Cooling
I can't find any clear instructions on how to remove the thermocouple on the water heater can you please help me?
Posted by Anonymous on
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Posted on Jan 02, 2017
Nope, turn off all gas to the heater. Remove the enclosure containing the burner. Disconnect both the gas line and the thermocouple line from the gas valve and pull out the whole burner assembly. Take a pair of needle nose plyers and remove the thermocouple from the pilot assembly. Install the new one and reverse the removal procedures to put it all back together. Check to make sure there is no gas leaks and this is important, The nut to turn off the burner tube from the gas valve is reverse threads. Righty to turn off, Leftie to tighten.
Posted on Nov 21, 2007
SOURCE: thermocouple replacement
Maybe you need to approach it differently. Why do you assume you have a bad thermocouple each time? If its because the whole flame goes out and you have to relite it, a lot of things can cause that.
1 ohm out a new thermocouple and record the ohms reading (read tween the center LEAD looking area on the end going into the gas valve and the outer shell (copper colored cover) If its a MV type controls it will have 2 wire ends. With the flame running now check the MV-DC on the same area, as the resistance. Yes you will need 2 hands extra for holding the flame on. It wont stay on without being hooked up. Typically you need 400MV for a thermocouple and 600 is the stahdardf output on a generator with wire leads depending on which you have. If your below these ranges You need to blow out the piulot area with compressed air and retry it. You should get an increase in the milli volts after cleaning because now the flame will hit the pilot or thermocouple or generator as designed and dust was causing it to be lazy and not get enough voltage back to the gas valve to stay on.
Now this is assuming you have the correct pilot orfice and its not too small like with an LP orfice installed on a NG system. The pressures are differant and the hole is way smaller on LP.
This is a really common problem with multi changeouts of thermocouples. Dusty Pilot burners. y policy has always been to blow it out first after observing the type and kind of flame. Then reexamine it after cleaning it out.
If this helps you please rate me as high as you can. If I have not given you enough information please post back so I can better aquaint myself with you problem. Good Luck!
Posted on Mar 23, 2009
Bending it will ruin it. You need to find out why the pilot flame is not as strong as it should be.
It is usually caused by bugs or spiders having gotten into the small air mix jet of the pilot assembly and died or built a web or, there is some dirt from the fuel that is partially clogging the fuel tube leading up to the pilot assembly, or plugging the orifice.
Posted on Dec 14, 2009
Testimonial: "worked perfectly"
HELLO.. "ALL' THE WHIRLPOOL GAS WATER HEATERS SOLD BY LOWES ARE JUNK...THEY HAVE A DESIGN FLAW...THAT KEEPS THE PILOT LIGHT FROM STAYING LIT...MANY LAWSUITS TO BOTH LOWES & WHIRLPOOL...THIS HAS BEEN GOING ON SINCE 2000 ....TO SAVE YOU THE MOST AGGRAVATION & TIME...REPLACE THE HEATER WITH A "DIFFERENT" BRAND..ANY REPAIRS WILL FAIL AGAIN ...WHIRLPOOL & LOWES ARE "NOT" SATNDING BEHIND THESE ....YOU WOULD THINK IN 9 YEAERS...WHIRLPOOL COULD RE-DESIGN THESE TO MAKE THEM RELIABLE....BUT...THEY HAVE BOTH CHOSEN TO DO "NOTHING".......
Posted on Dec 16, 2009
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