Does this unit include a fuse

Broad Compatibility: Designed for use with a range of compatible Bard wall mount and related HVAC equipment

meaning it will close the circuit once the system pressure rises above the designated cut-in point

5" WC bidirectional pressure range

Can I return this board if it doesn't fix my furnace

Heatcraft Refrigeration 22900401 Fan Blade Freon Does this unit include aThe Heatcraft Refrigeration 22900401 Fan Blade is a critical replacement component engineered for high static condenser and evaporator applications. This heavy duty 30 inch HVAC fan blade features a 5 blade configuration designed to optimize airflow while maintaining structural integrity under high RPM loads. With a 26 degree blade pitch, it provides the precise air moving capacity required for large scale commercial refrigeration systems, ensuring