Timberwolf: TPS35 Pellet Stove/Insert Replacement E. Lectronic Control Board, Circuit Board. Brand New; direct fit replacement PCB control from original OEM Design. Don’t pay excessive retail price for copies of this industry standard. With over 30 years of manufacturing & design experience, you can trust our products will be top of the line. We strive hard to provide the best products to our customers at the lowest prices. Hurry while supplies last, with our low introductory price these Pellet Stove Digital Control Boards will sell out fast.