Arrived at location on 1/30/23 - warmer was down and not turning on. I opened up the witch box and discovered that the infinite switch had a burnt terminal and will need to be replaced I also switched the wiring and replaced the burnt wires and I contacted hatco and obtained the correct part number and will return to install once I obtain the part. Unit is not working at this time. Returned to location on 2/2/23 - did replace the infinite switch on the heat lamp I checked operation. Ok re