For single-actuator applications

it ensures seamless integration with existing pneumatic thermostats

Verify your existing fan blade or blower wheel orientation before purchase

Molded Porous Core: High-capacity desiccant blend specifically formulated for superior moisture and acid adsorption

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

IO Hvac Controls ZP4-ESP-KIT Control Kit 323613-751 For single-actuator applicationsThe 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