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Martin invented gas stove mdl. AU40D/U40G/U40F

Martin invented gas stove mdl. AU40D/U40G/U40F pilot lights but will not stay lit already replaced thermocouple how do I check the low oxygen cutoff

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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Buffalo12980
  • 625 Answers

SOURCE: Pilot light lit but no heat

the pilot's millivolt generator may be at fault.  if you have a meter that is capable of measuring a very small DC voltage, connect it up to the very end of the thermocouple and the copper cappillary. the thermocouple has a welded bead at the very end inside that generates a small DC voltage. Same principle of a J-K thermocouple. Iron constintan  - two dissimiller metals where joined together produce a voltage when heated.  the thermocouple actuates a millivolt electromagnet inside the valve to keep the valve pellet open.  no voltage there it won't actuate the electromagnet.

Posted on Oct 15, 2007

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  • 3315 Answers

SOURCE: Pilot light does not reach thermocouple

the pilot oriface is blocked it needs cleaning out ,

Posted on Jan 14, 2009

  • 1214 Answers

SOURCE: pilot wont stay lit installed new gas valve and new thermocouple

Is this a standing pilot furnace, or electronic igniton?

If standing pilot, does the heater use a fan to blow air through the heat exchanger?

If the answer to those questions is yes, then check that the pilot orifice is not partially plugged and that there is a strong pilot blowing against the thermocouple. If there is, replace the thermocouple. If not, check the orifice again, and check that the inlet screen to the gas valve is not filled with gas line trash.

If the the pilot flame is good and it continues to go out, the thermocouple magnet in the gas valve may be weak. Replace the gas valve as to get just the magnet and coil is not easy.

Reply back any questions you may have.

Posted on Jan 28, 2009

  • 3315 Answers

SOURCE: Dyna-glo parts

thermocouples you can buy from any heating spares oulet or national energy a hone well is most common for useing as a replacement

Posted on Feb 07, 2009

  • 3315 Answers

SOURCE: cozy gravity one sided wall heater...pilot won't

how by extending the duct work will it make the gas valve work ?

if the pilotkeeps going out clean pilot jet , or if the power unit has gone in the gas valve then you would have to change the valve , don't get the flue bit ?

Posted on Feb 24, 2009

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