If your Midea 15,000 BTU PTAC or PTAC window air conditioner with heat is malfunctioning, the main control board subassembly could be the issue. Symptoms of a failing control board include erratic temperature control, unresponsive unit, or unexpected shutdowns. This genuine Midea replacement, part number 17120300A00616, ensures a precise fit and performance. Verify your device's model number for compatibility before purchasing.