Question about Thermador PRG304US Gas Kitchen Range

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How to change spark module in thermador PRG304

None of the burners are igniting since a power outage on my Thermador PRG304 natural gas range since a power outage. Oven works fine. I need to get to the spark module under the left burners but can't get the burners out because I can't turn the nut in the middle of the burner base. any idea how to free these up? Heat, WD 40, vise grips won't work Thanks

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Posted on Jan 02, 2017

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SOURCE: Thermador oven/broiler turns off after 5-8 seconds

two things come to mind a faulty safty valve thats the device that the ignighters connect to the other maybe trash stopping the screen on the pressure regulater are any codes displayed on the clock

Posted on Jan 30, 2008

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  • 1 Answer

SOURCE: LP conversion for Thermador 4 burner range top

I have a Thermadore 6 burner gas cooktop PCG366E purchased January 08. I purchased the LP conversion kit, they only make one kit for all models. The instructions included with the kit were written for an older model and have not been updated by Thermador. The gas regulator is located next to gas inlet pipe. You have to get at it from above. Remove the 2 star burners over that side of the cooktop. You will need a 20mm socket to remove the nut at the center of the star burner. Lift it off and disconnect the wire to the ignitor ( You need to push on the spring lock in order to seperate the the connector terminal). Remove the stainless steel pan and then remove the metal pan underneath ( you will need a Torxs bit for this screw or vise grips). You should now see the regulator. At the top of the regulator is a cap with the letters NG visible. Twist this a 1/4 turn ccw, lift up and turn over to expose the letters LP reinsert. The regulator is now ready. You will need to replace the orifice tips at each burner. Use a 7mm socket with an extension. Put a piece of tape in the socket to hold the orifice in place while you insert it. You also need to adjust the valves. You must pull off the knobs and and remove the trim bezel. If you look through the screw hole on the right you will see a screw head (bypass screw). Insert long skinny flat blade screwdriver through the hole and turn the screw CW all the way (about 1/4 to 1/2 turn in my case). My cooktop had two burners with a low simmer feature, This devise is located in front of the bypass screw. It has a hole in it but does not align well with the head of the bypass screw and makes it difficult to turn the scew. Thats it, I hope this info has been helpful. I have not yet connected the propane therefore have not tested the unit but it should work.

Posted on Feb 27, 2008

SOURCE: oven shuts off

Sounds like the spark module has been shorted out and quite possibly the main control board. Apptech.

Posted on Oct 19, 2008

  • 11800 Answers

SOURCE: Thermador PD36 dual fuel range

There is no PD36 model. There are several PRD36 models of electric/gas ovens and in all of them the gas supply is common to all the top burners - all the control valves connect directly into a manifold/main gas tube.
If you can't lit those 2 burners with an external flame it means that the supply of gas to them has been cut by a blockage on the manifold - it's extremely unlikely that 2 valves have failed at the same time or that the 2 safety wires to them have failed simultaneously . The oven will have to be dismantled and the case of the blockage found and removed - if necessary the entire manifold will have to be replaced. This is a very complicated job that requires extensive experience - most likely you will have to call a repairman .

Posted on Jun 01, 2011

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2 Answers

Our Thermador Pro-Harmony gas range just started to make clicking noises and it will not stop. Nobody turned the stove on. It started clicking on its own. How do we shut it off?


Usually a clicking sound from a gas range is the gas ignitor/igniter sparking to light one of the gas burners
...Check to make sure all functions are turned off. If all are off
could be a defective switch..check to see if you see a spark at any of the gas burners

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How to replace spark module?


How to replace spark module Todd, Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/42129-thermador-spark-module-replacement.html

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By the way, in the short term you could always use a match to light the burner. JUST BE VERY CAREFUL THE YOU HAVE THE MATCH LIT AND OVER THE DESIRED BURNER BEFORE YOU TURN KNOB TO START THE BURNER!!!!

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Oven shuts off


Sounds like the spark module has been shorted out and quite possibly the main control board. Apptech.

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