Michael O Yonkers , NY July 16, 2019 Appliance: Frigidaire Room Air Conditioner FAX052P7A11 Frigidaire Air Conditioner Fax052p7a11: The knob on my air conditioner broke. How to replace Knob Assembly. Ordered new knob it fit petfecr. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes