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Your cart is empty.Manufactured by RetroZone Inc., the RetroZone SD 4" Round Damper is a commercial-grade damper designed to offer superior performance at an affordable price. Because we manufacture this product directly, we can offer it to you without a middleman, delivering exceptional value compared to residential-grade dampers. Built with the highest quality materials and backed by an industry-leading 5-year warranty, this damper is powered by the Belimo LM24-3-T Power Open/Power Close motor, offering 45 in-lbs of torque — twice the strength of similarly priced dampers. Despite its high strength, this damper uses significantly less power than spring return dampers, making it a highly efficient choice for your HVAC system. Specifications: Size: 4" Round Power: 24V AC (Uses only 2VA during opening/closing) Motor: Belimo LM24-3-T Brushless, 3-Wire Power Open/Power Close Construction: Galvanized metal can with reinforcing beads, DuroZone commercial 1/2" drive hardware Blade Design: Pressed into the damper shaft (not welded) Leakage: Almost 0% leakage with full duct-rated blade seals Air Pressure: Can handle up to 2" in commercial systems Compatibility: Works with almost all zone control systems and thermostats Warranty: 5 years Why Choose RetroZone Dampers? RetroZone dampers are manufactured with the highest standards of quality and durability, offering superior strength, efficiency, and versatility compared to other products on the market. As a trusted manufacturer, we deliver direct-to-consumer pricing, eliminating the middleman and passing the savings directly to you. Whether you're a contractor, wholesaler, or DIY homeowner, RetroZone SD 4" Round Dampers are engineered to deliver exceptional value and performance in your HVAC zone control system. Customer Support: For technical assistance or inquiries, feel free to contact us at 972-633-8104 during normal business hours. Our team is available to provide expert advice and support to ensure your system operates at peak performance. Please Note: Due to limited sales volume of these 4" sheet-metal dampers, a slightly different damper can may be used than the one pictured. Upgrade your HVAC system with the RetroZone SD 4" Damper — a high-performance, efficient solution backed by a 5-year warranty. Order now for fast, reliable shipping and top-tier customer support!
$230.00
$ 99 .00 $99.00