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The TCW410Y-DS8E is the technical model number
Designed for 208-230V applications
the E22C34301 serves as the direct replacement for the legacy E12C34301 model
as measured by a manometer at the control valve pressure tap
Resideo ZD12X18TZ Damper 320720-756 The TCW410Y-DS8E is the technicalThe Resideo ZD12X18TZ Damper is a professional grade 12" x 18" zone damper engineered for high performance airflow management in multi zone residential and light commercial HVAC systems. This parallel blade zone damper features a heavy duty extruded aluminum frame and rigid aluminum blades, ensuring structural integrity and a low leakage seal (less than 1% at 0. 5 in. WC) that maximizes system efficiency. Designed as a power closed spring return open
