ARD20TZ | 20" ROUND DAMPER, N/O | Resideo rinnai and more Our trusted HVAC

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ARD20TZ | 20" ROUND DAMPER, N/O | Resideo rinnai and more Our trusted HVAC**ARD20TZ 20" Round Damper, N O** The Resideo ARD20TZ is a high quality 20" round damper designed for industrial applications. This damper is a normally open (N O) type, meaning it opens when the power is removed. The ARD20TZ is constructed of durable materials and features a compact design for easy installation. Technical Specifications: * SKU: ARD20TZ * Diameter: 20" * Type: Round * Operation: Normally open (N O) * Material: Galvanized steel *