Internal dip switches need to be set based on your model. For Setting your own dip switches: Upon removing the back control board cover plate, there is a dip-switch box at the top numbered 1-4. Adjust for the various models as follows: Profile 20/Optima II: Position 1 ON - 2,3,4 OFF Profile 30/Optima III/Optima III insert: Position 2 ON - 1,3,4 OFF Traditions (T300P Line): Position 3 ON - 1,2,4 OFF.
16052112 / 16022112 / 16053941. Top of the Line guaranteed OEM part. Please make sure you require a control/circuit board prior to ordering. We are happy to assist.Over 25 years of trusted value and commitment to our customers. The item "Lennox Whitfield Control Circuit Board. Profile, Optima, T300P 16053941 16052112" is in sale since Monday, September 28, 2015. This item is in the category "Home & Garden\Home Improvement\Heating, Cooling & Air\Fireplaces & Stoves\Replacement Parts". The seller is "esesstoves" and is located in Dale, Wisconsin. This item can be shipped worldwide.