Ernestina B San Juan , TX December 03, 2015 I had been using my stove with only 3 turn on knobs for a couple of years on 11 24 2015 another knob broke my son and daughter said look it up on the intenet thankfully we found your website We ordered the control knobs with your company. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes