Fits all Traeger wood pellet grill models (except PTG), replaces 3 speed smoker control. This thermostat gives you total control on temperature with settings from 180 to 375 degrees and also features a high mode for 450 degree fast cooking, and a smoke mode for low temperature smoking. These controllers connect and work easily with all traegers except PTG. Some older models may need housing alteration. Quick plug and play molex connector. Temperature probe is installed inside of BBQ to send accurate reading to the controller. Drastically improving performance of your grill in minutes. Easy to Read LED Display shows the exact cooking temperature inside your grill. Instruction manual and screws are not included.