Durable Construction: High-grade aluminum blades resist corrosion and atmospheric fatigue in outdoor environments

Rugged Construction: Built with high-grade alloys to resist oxidation and carbon buildup in the combustion chamber

it is the standard replacement for most ICP 1183487 parts across several decades of equipment production

ensuring the exact 14" diameter and 33-degree pitch required for system balance

preventing fuel accumulation in the event of flame failure—a standard requirement for modern commercial HVAC installations

Reznor 209423 Kit 320074-702 Durable Construction: High-grade aluminum bladesThe Reznor 209423 Kit is a critical damper motor field replacement kit engineered for specific high efficiency Reznor unit heaters and make up air systems. This HVAC replacement part ensures precise modulation of combustion or outdoor air intake, maintaining optimal static pressure and heat exchanger performance. Designed to replace failing damper actuators in the field, the 209423 kit includes the necessary hardware to restore proper airflow control