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The 042N4233 is the current production model designed to replace the discontinued 042N4222
Built with a 1/2" bore on the discharge side and a counterclockwise (CCW) rotation
Industrial Durability: Robust construction designed to withstand the thermal and chemical demands of hydronic heating environments
Common Questions: Is 18/5 wire compatible with smart thermostats
Always verify that the total torque requirements do not exceed the mechanical limits of the extension sleeve
Zonefirst ZDB-16X24 16HX24W Parallel 24V 2-Pos S/R THPU32HP7Y The 042N4233 is the currentThe Zonefirst ZDB 16X24 is a professional grade 16 inch high by 24 inch wide rectangular zone damper engineered for high performance HVAC airflow management. Operating on a 24V motor, this 2 position spring return unit provides a reliable fail safe, ensuring the damper returns to its normal state during power loss. The parallel blade damper configuration allows for rapid response times and consistent modulation, making it an essential component for
