Features: Upgrade your fireplaces systems with this R40403 003 replacement furnaces blower control board, featuring advanced smart technology to optimize airflows efficiency, prevent overheating, and extend operational life for consistent performances. Engineered with general compatibility for multiple fireplaces fan models and constructed from strong heat resistant plastic, this control board ensures stable connectivity while withstanding high temperature industrial environments. Ideal for homeowners, facility managers, and HVAC technicians seeking a versatile, long lasting solution to maintain optimal temperature regulation in residential or commercial heating systems. Perfectly suited for wall mounted fireplaces units requiring frequent airflows adjustments in workshops, restaurants, or living spaces where stable thermal management is critical. Its tool easy installation design and energy efficient circuitry minimize downtime and power consumption, making it an conscious choose for both emergencies replacements and routine maintenance upgrades. Specifications: Component : plastic Size: about 113x145mm/4.47x5.74inch Working line electric : 85 to 135 , 50/60Hz Secondary control electric : 18.0 to 30.0 , 50/60Hz greatest load of the fan: 15FLA, 30LRA, 120 ; 7.5FLA, 15LRA, 240 Package Includes: 1xBlower Control Board note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.