I am sorry, I am having a hard time finding that Wolf Oven model number anywhere. I recommend that you call our sales team at 1.888.388.6372 and provide them with the manufacturer, model number and serial number of your oven. They can then source the thermostat you need.
Yes, it sounds like your thermostat may be faulty. The above thermostat is the correct replacement for your model. If you need help installing it or if the replacement thermostat does not fix the temperature fluctuations you can call our sales team for or ask a local service tech. Our customer service number is 1.888.388.6372.
No, this Vulcan 719298 BJWA Thermostat w/ 250° - 500° Range will not fit your Vulcan G36 range. Depending on the year your range was made (which is determined by the serial number) the thermostat will vary. Please give a member of our Tundra Restaurant Supply team a call at 1-888-388-6372 with your serial number on hand, and we'll help track down the appropriate replacement part for you.