What does the temperature reach in my kitchenaid dryer mod# KEYS750GQ0

On cotton no more then 160f for permapress 140f or knits 130f
Older style dryers used a separate klixon for every cycle. Newer models with timers use a single klixon with a heater inside it to make it shut down faster for knits and perma and that is exactly what your dryer uses. It has 4 wires. 2 smaller ones that warm up the klixon and 2 larger ones that carry the heat. If you think the dryer has a heat problem I suggest you clean it up and replace the cycling thermostat. My home movie:




Me working on a dryer with a heat problem just like yours:



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