Question about Thermador PGR366 Gas Kitchen Range

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LP conversion for Thermador 4 burner range top

Thermador Gas range top.

How do I convert my Thermador 4 burner gas cooktop to LP. I have the conversion kit but instructions are vague. Where is the pressure regulator and how do I access it?

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  • chefkelly Jan 03, 2008

    where is the gas regulater located on the thermador range tops?

  • anonz Jan 20, 2008

    Similarly - I have the conversion parts, but no instructions came with it. A search on the internet hasn't been much help.

  • Anonymous Dec 20, 2008

    I have the 6 burner thermador and I ordered the PLPKIT from AJ Madison.They sent me 6 little boltlike things and 4 big ones. Should I begetting 6 big ones? or does the kit come like that?

  • Anonymous Feb 08, 2009

    my thermador PG366BS six burner gas range has had the regulator switched from natural gas to propane (LP) and now I would like to know how to adjust the flame of the burners as they are blue color at the base and yellow flame six inches high above the burners. How do you adjust the flame?

  • brianh766 Feb 28, 2009

    I have a Thermador PRG364EDG 4 burner with Griddle range. I need to convert this from natural gas to propane. Can this model be coverted and if so what will i need to do it?

  • Anonymous Mar 24, 2014

    ge cooktop lp gas model zgu375lsd1ss, unit appears to be factory-sealed, assured by authorized ge repair that it is not, ge has the igniter unit for sale implying that it is replacable, how do i get the top separated from the bottom tray?



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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


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What is the product # for the conversion kit from nat gas to lp? who carries this item? Does the conversion kit come with a regulator?

Some Thermador ranges are not field convertable from natural gas to LP. The PRG364EDG falls in this category. If you have one that is not convertiable; you will need a different range.

The PG364GEBS is not a listed unit at Thermador; I've found it for sale at AJ Madison. Since that vendor doesn't list the conversion kit (and they sell ones for other Thermador ranges), I do not believe this is a field convertible unit.

Thermador has manuals and installation guides for many of their appliances here: . Most Thermador ranges come with the installation guide, as well as the owner's guide, if you still have your documentation. Otherwise, try the Thermador site for the documentation (check if the company uses a different part number internally). If the conversion kit is available, the part number will be provided in the section on the Gas Requirements and Hookup. If it isn't, the installation guide will clearly state that fact.

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For units that are convertible, you can usually order the part through the same stores that sell the appliance. Alternatively, have your gas service installer order the parts. The installation guide for the conversion kit will be included in the kit. For most ranges that are field convertable, the regulator converts from natural gas to LP by rotating a cap in the regulator by 180 degrees. (Take out the part, turn it over so that LP shows and reinstall.)

I hope this helps and I wiish that I had better news for you.

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