The Predator 9500 occasionally suffers from a bad CO sensor. There is a battery on the CO sensor that fails causing the sensor to fail. This listing is to have the battery on the circuit board replaced to repair the sensor. A new Energizer battery is included with purchase along with return shipping. After purchase I will include instructions to ship the CO sensor for repair and then it will be shipped back to you. Please allow for 3-5 days once received for repair. Please see the included pictures of the sensor. Please message me before purchasing to help determine if your sensor is faulty. THIS IS NOT TO PURCHASE A NEW SENSOR!! Also applies to Genmax GM9000i and Duromax XP9000i
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