Visual Diagnostics: Integrated LED glow identifies energized coils at a glance

reducing labor hours during unit swaps

making it a reliable component for fine-tuned HVACR hydronic balancing

Industrial Durability: The corrosion-resistant finish extends the service life in demanding mechanical room environments

ensuring a perfect fit and seamless integration

Carrier 33ZCVAVTRM Controller Els PW 17895 Visual Diagnostics: Integrated LED glowThe Carrier 33ZCVAVTRM Duct Air Terminal Zone Controller is a high performance pressure independent (VAV) control solution engineered for single duct terminals. As a core component of the Carrier ComfortID system, this controller utilizes advanced Proportional Integral Derivative (PID) control algorithms to maintain precise airflow between 10% and 125% of nominal cfm. It is designed to mount directly onto VAV box damper shafts (3 8" to 1 2"), with an