Features: The HK61EA006 blower control board is precisions engineered replacement part for systems, featuring temperature responsive speed adjustments and 95%+ energy efficiency to optimize airflows performances. Designed with integrated time delay relays and fault self diagnosis, this plastic builts control board prevents component wear while ensuring stable operation through overload/overheat protection mechanisms. Ideal for technicians or homeowners seeking reliable upgrades for malfunctioning residential/commercial units experiencing uneven temperatures or blower failures. Restores proper airflows in systems when blowers stop working, circuit boards get damaged, or inconsistent heating/cooling disrupts indoor comfort. Engineered to extend lifespan by reducing cycling strain through delayed relays functions, this blower control board ensures year round operational safety in both household and commercial environments. Specifications: Material: Plastic Size: Approx. 3.54x3.03inch(8.99x7.70cm) Package Includes: 1x Circuit Board note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.