Where to find switch knob?

To purchase a replacement knob for your Patton U2-1287 fan, you can try the following options:

1. Manufacturer's website: Visit the official website of the manufacturer, Patton Products Company, and look for a "Replacement Parts" or "Accessories" section. They may offer replacement knobs or have a customer support contact you can reach out to for assistance.
2. Online retailers: Check popular online retailers such as Amazon, eBay, or Walmart. Search for "Patton U2-1287 fan knob" or similar keywords to find compatible replacement knobs. Be sure to read the product descriptions and reviews to ensure it is the correct fit for your specific model.
3. Local appliance repair shops: Visit local appliance repair shops or stores that specialize in HVAC or fan parts. They may carry replacement knobs or be able to order one for you.
4. Contact customer support: Reach out to the manufacturer's customer support directly via phone or email. Explain the issue and provide them with the model number and any other relevant details. They may be able to assist you in finding a replacement knob or direct you to an authorized dealer.

When contacting suppliers or searching online, it's helpful to have the model number of your fan (Patton U2-1287) and any additional information about the knob size or design. This will ensure you find a compatible replacement that fits properly.
Alternatively, if you cannot find an exact replacement knob, you could consider using a universal fan knob that is compatible with your fan's control switch. Universal knobs are designed to fit a range of fan models and may offer a suitable solution.

Just cracking it open is 200'F and as far as it goes is 550'F. You can space out the increments.

Or you can just phone these people. They do a burner knob kit, so they must do an oven knob. There are 21 pages of spares. I went as far as page 6.

https://www.appliancepartspros.com/search.aspx?model=ge%20xl44%20gas%20oven%20-%20model%20317b6641p001&page=2

Does it look like this?

https://www.amazon.ca/General-Electric-WB03K10036-Knob-Control/dp/B00L4G729G

https://www.google.com/search?q=General+Electric+317B6641P001%2C+replacement+oven+knob

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F21 error on this model of Bosch washing machine pertains to a motor or a control board fault. This can be reset and to reset it turn the appliance knob to the off or reset position (12 o'clock), turn the knob to the 6 o'clock and then press and hold the spin button, then while holding that button turn the knob to 7 o'clock position, continue holding spin button for 15 seconds and then turn the knob to off. After a minute turn it back on, if the error code is still there then it means that the motor or brushes in the motor should be replaced, though it is always better to replace the motor assembly completely.

Turn nut on the underside of drive control is to increase drive speed. Hope this helped Tim

I would check with KLH first but if you have no luck, you might try at Electronic Goldmine who will not likely have the exact knobs but may have some that will work:
Elec. Goldmine
Enter 'knob" in the product search window.

mcdevito75 here, If the fan is not too old I would figure yes, but a replacement motor will cost as a new fan, if not more, then you have to install and the blades are a presss fit to the motor.

capacitor may be defective or the motor is shorted or open.

lens needs cleaning or replacing

My knob melted off my crock pot... I was left with a screw and a nut.
I replaced my knob with a knob from another glass cover from a sause pan... works great. (and it's a nicer handle).
you can get a cheep pan with a glass cover from a dollar store or thrift shop.
hope this helps