--- product_id: 71480300 title: "ZoneMaster 12-Inch Normally Open Motorized Damper — Power Close/Spring Open 24V Vent Damper, Transformer Included (ZO212)" brand: "suncourt" price: "€ 366.34" currency: EUR in_stock: true reviews_count: 4 category: "Suncourt" url: https://www.desertcart.de/products/71480300-zonemaster-12-inch-normally-open-motorized-damper-power-close-spring store_origin: DE region: Germany --- # 24V power close / spring open mechanism Adjustable 0°-90° airflow coupler 12-inch precision airflow control ZoneMaster 12-Inch Normally Open Motorized Damper — Power Close/Spring Open 24V Vent Damper, Transformer Included (ZO212) **Brand:** suncourt **Price:** € 366.34 **Availability:** ✅ In Stock ## Summary > 🌬️ Take control of your air — precision comfort at your command! ## Quick Answers - **What is this?** ZoneMaster 12-Inch Normally Open Motorized Damper — Power Close/Spring Open 24V Vent Damper, Transformer Included (ZO212) by suncourt - **How much does it cost?** € 366.34 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/71480300-zonemaster-12-inch-normally-open-motorized-damper-power-close-spring) ## Best For - suncourt enthusiasts ## Why This Product - Trusted suncourt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Integration:** Works flawlessly with existing zone control systems or standalone with included transformer. - • **Durable & Low-Maintenance:** Two-wire installation and free-wheeling motor coupling extend motor life and simplify setup. - • **Precision Airflow Mastery:** Control your environment with exact 12-inch duct airflow for ultimate comfort and efficiency. - • **Smart Power Close, Spring Open:** Automatically closes on power, springs open when off—seamless energy-saving operation. - • **Trusted Reliability Since 1988:** Backed by a 3-year warranty, ensuring peace of mind for your HVAC zoning needs. ## Overview The Suncourt ZoneMaster 12-Inch Normally Open Motorized Damper (ZO212) offers precise airflow control for HVAC zoning with a patented adjustable coupler, 24V power close/spring open operation, and easy two-wire installation. Designed for seamless integration and backed by a 3-year warranty, it enhances air quality, comfort, and energy efficiency in any modern home or office. ## Description Buy Suncourt ZoneMaster 12-Inch Normally Open Motorized Damper — Power Close/Spring Open 24V Vent Damper, Transformer Included (ZO212): Ducting - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Great product - Perfect, but they seem to need replaced every few years Review: Does not close fully - In a fully closed position, it does not close completely and leaks a bunch of air. Like somebody mentioned, you would need to muck around with it to have it seal completely. ## Features - PRECISION AIRFLOW CONTROL: The Suncourt ZoneMaster Motorized Damper controls airflow in 12" HVAC zoning, fresh air intake, and make-up air applications—improving air quality, comfort, and energy efficiency. The damper is Normally Open (Power Closed), remaining open when unpowered and closed when powered. - ADJUSTABLE CUSTOM AIRFLOW: The 12 inch duct damper features a patented 0°-90° adjustable coupler, allowing fine-tuned airflow control in both powered and unpowered positions. - SEAMLESS INTEGRATION: The damper is designed to work with existing zone control systems or operates independently using the included UL-listed 24VAC/20VA plug-in transformer. - DURABLE & EASY INSTALLATION: The 24V zone control damper features a simple two-wire installation and a free-wheeling motor coupling to extend motor life. - SAFE & RELIABLE: Delivering trusted performance since 1988, Suncourt motorized vent dampers are backed by a 3 year warranty. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Suncourt | | Part Number | ZO212 | | Item Weight | 5.7 pounds | | Product Dimensions | 13 x 9 x 14 inches | | Item model number | ZO212 | | Is Discontinued By Manufacturer | No | | Size | 12" | | Color | Silver | | Style | Modern | | Power Source | Corded Electric | | Wattage | 6 watts | | Item Package Quantity | 1 | | Batteries Included? | No | | Batteries Required? | No | ## Images ![ZoneMaster 12-Inch Normally Open Motorized Damper — Power Close/Spring Open 24V Vent Damper, Transformer Included (ZO212) - Image 1](https://m.media-amazon.com/images/I/81tFU8sRW6L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great product *by R***A on October 24, 2020* Perfect, but they seem to need replaced every few years ### ⭐⭐ Does not close fully *by K***M on October 26, 2020* In a fully closed position, it does not close completely and leaks a bunch of air. Like somebody mentioned, you would need to muck around with it to have it seal completely. ### ⭐⭐⭐⭐⭐ Seals completely. Very little air loss. *by B***E on November 4, 2022* I purchased this winter venting use in a greenhouse. It's made well - very little air loss. ## Frequently Bought Together - Suncourt ZoneMaster 12-Inch Normally Open Motorized Damper — Power Close/Spring Open 24V Vent Damper, Transformer Included (ZO212) - Suncourt ZoneMaster 12-Inch Normally Closed Motorized Damper — Power Open/Spring Close 24V Vent Damper, Transformer Included (ZC212) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.de/products/71480300-zonemaster-12-inch-normally-open-motorized-damper-power-close-spring](https://www.desertcart.de/products/71480300-zonemaster-12-inch-normally-open-motorized-damper-power-close-spring) --- *Product available on Desertcart Germany* *Store origin: DE* *Last updated: 2026-10-31*