Verify your existing fan blade or blower wheel orientation before purchase

For single-actuator applications

the 47K30 utilizes a forward-curved blade design to optimize airflow volume and maintain system pressure

As a standard technician-grade part

IO Hvac Controls ZP4-ESP-KIT Control Kit 323613-751 Verify your existing fan bladeThe IO HVAC Controls ZP4 ESP KIT is a professional grade 4 zone control panel designed to streamline complex forced air installations. Engineered for high performance HVAC zoning systems, this universal panel supports single stage, multi stage, heat pump, and dual fuel equipment with up to 3 stages of heating and 2 stages of cooling. By integrating advanced Electronic Static Pressure (ESP) logic, this kit effectively eliminates bypass dampers when