1. Compatible Models This replacement for PitBoss Digital Thermostat Board is specially designed for PitBoss AC03P9 pellet grills, including PB440D2, PB1150G, PB850G, PB550G, PB820 and Pro 1100. Please check the model number before making a purchase! 2. Control Temperature: Our grill temperature controller provides both smoke mode and temperature mode, with a temperature range of 200 to 475. The high temperature mode allows for the highest possible heat and gives you complete control over your cooking. 3. DOUBLE MEAT PROBE INTERFACE Equipped with two meat probe interfaces, our thermostat boards allows you to easily monitor the internal temperature of your meat, help you achieve perfectly cooked dishes and reduce cooking time. (Meat probes not included) 4. EASY TO USE With an LED high definition display, this thermostat board is easy to read even in direct sunlight. It accurately displays the cooking temperatures on your grill so you can restore your grill to its original operating efficiency.