Eric R Augusta , KS April 06, 2015 Appliance: Whirlpool Air Conditioner ACM184XH0 Whirlpool Air Conditioner Acm184xh0: A/c window unit not running. How to replace Thermostat. After checking everything else thought it might be the thermostat control. Took the old part off did not rotate and had loose parts rattling around. Checked locally no one had it or it would be a week out before it would arrive. Priced appliance parts pro a guarantee and fast shipping I mean fast. I ordered 4pm Thursday and it was at the door 9:15am Friday morning standard shipping. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes