Englander Digital Control Board Part # PU-CB04Digital System Control Board. This Control Board has 9 Heat settings, It could heat your whole house or just a small room. Compatible with pellet stoves 2004 and later that do not contain PAF, PUF, EP or SS in the model number.For models before 2004, see PU-CB98. This control board is used in many stoves and may require programming to be compatible prior to use. To program the board, once it is installed, unplug the stove from the wall, reconnect power and within 15 seconds of plugging it in, press BOTH the UP and DOWN blower keys at the same time and hold for 5 seconds. When you release the buttons, there will be a letter displayed in the blower display, either A, b, C, or d. Use the blower UP and Down button to move the letters to the corresponding stoves.For stoves with PDV or P22 in the model number, you will use the letter"C"For stoves with PDVC or P10 in the model number, you will use the letter"d"Program "A"and "b" are for various other Englander models, without autoignition, and without PDV, PDVC, P10 or P22 in the model number.? Although the control boards for stoves before and after 2004 look the same, they are not interchangeable. If you aren't certain what year was your stove manufactured, please check under the hopper lid prior to ordering.