--- product_id: 77707412 title: "Butterfly Backdraft Damper (3 Inch) (BD 3)" brand: "hvac express" price: "NZ$125" currency: NZD in_stock: true reviews_count: 8 category: "Hvac Express" url: https://www.desertcart.nz/products/77707412-butterfly-backdraft-damper-3-inch-bd-3 store_origin: NZ region: New Zealand --- # Foam closure shutter - whisper-quiet operation Vertical/horizontal mounting - versatile installation 26 gauge galvanized metal - heavy-duty durability Butterfly Backdraft Damper (3 Inch) (BD 3) **Brand:** hvac express **Price:** NZ$125 **Availability:** ✅ In Stock ## Summary > 🦋 Keep your airflow flawless and quiet with the Butterfly Backdraft Damper! ## Quick Answers - **What is this?** Butterfly Backdraft Damper (3 Inch) (BD 3) by hvac express - **How much does it cost?** NZ$125 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/77707412-butterfly-backdraft-damper-3-inch-bd-3) ## Best For - hvac express enthusiasts ## Why This Product - Trusted hvac express brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Flexible Fit:** Designed for both vertical and horizontal mounting options - • **Built to Last:** Heavy-duty 26 gauge galvanized metal resists wear and corrosion - • **Made in the USA:** Quality craftsmanship you can rely on, proudly domestic - • **Silent Efficiency:** Foam-sealed blades ensure noise-free backdraft protection - • **Proven Performance:** Trusted design to safeguard your appliance venting system ## Overview The Butterfly Backdraft Damper (3 Inch) features lightweight, foam-sealed blades for silent closure and is constructed from heavy-duty 26 gauge galvanized metal. Its versatile design supports both vertical and horizontal mounting, providing reliable backdraft protection for appliance venting. Proudly made in the USA, this durable damper ensures efficient airflow control while minimizing noise. ## Description Upgrade your HVAC system with the HVAC Express Butterfly Backdraft Damper, engineered to enhance airflow efficiency and prevent unwanted air infiltration in duct systems. This premium inline damper employs a lightweight butterfly blade design paired with a quiet foam closure to eliminate noisy backdrafts and improve energy performance. Perfect for residential ventilation, bathroom fans, kitchen exhaust systems, and HVAC ductwork applications where passive airflow control is needed without a powered damper. Built for easy installation in both horizontal and vertical orientations, it provides reliable airflow regulation while keeping cold drafts and backflow out of your system. Whether you're replacing an old damper or upgrading your ventilation setup, this damper delivers dependable performance and durable construction at an exceptional value. ## Features - Efficient Backdraft Prevention: Designed to block unwanted reverse airflow, keeping cold air, drafts, and contaminants out of your duct system when fans and appliances are off. - Lightweight Butterfly Blade: Smooth-operating blades open easily with airflow and close quietly with a foam seal to reduce noise and air leakage. - Quiet Foam Shutter Seal: Soft foam closure provides a tight, quiet seal for improved energy efficiency and reduced sound transmission. - Versatile Installation: Installs easily in both horizontal or vertical duct configurations — ideal for various HVAC and ventilation applications. - Durable Construction: Galvanized steel body resists corrosion and wear for long-lasting performance in HVAC systems. - Energy Savings: Prevents cold outdoor air from entering and reduces load on heating and cooling systems — helping lower utility costs. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00BBMPOOS | | Auto Part Position | Rear | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #195,290 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #375 in HVAC Ducting | | Brand | HVAC Express | | Brand Name | HVAC Express | | Compatible with Vehicle Type | Truck | | Customer Reviews | 4.3 out of 5 stars 53 Reviews | | Extended Length | 3 Inches | | Exterior Finish | Zinc | | Item Weight | 8 ounces | | Manufacturer | HVAC Express | | Manufacturer Part Number | BD 3 | | Material | Galvanized Steel | | Material Type | Galvanized Steel | | Model Number | CECOMINOD042999 | | Style | basic | | Style Name | basic | | Unit Count | 1.0 Count | | Vehicle Service Type | Truck | ## Product Details - **Auto Part Position:** Rear - **Brand:** HVAC Express - **Exterior Finish:** Zinc - **Style:** basic - **Vehicle Service Type:** Truck ## Images ![Butterfly Backdraft Damper (3 Inch) (BD 3) - Image 1](https://m.media-amazon.com/images/I/21RrChYDfXL.jpg) ![Butterfly Backdraft Damper (3 Inch) (BD 3) - Image 2](https://m.media-amazon.com/images/I/61mbnnLQeWL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by D***R on August 13, 2024* ### ⭐⭐⭐⭐⭐ Review *by A***A on December 14, 2024* ### ⭐⭐⭐⭐⭐ Review *by J***K on February 22, 2024* --- ## 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.nz/products/77707412-butterfly-backdraft-damper-3-inch-bd-3](https://www.desertcart.nz/products/77707412-butterfly-backdraft-damper-3-inch-bd-3) --- *Product available on Desertcart New Zealand* *Store origin: NZ* *Last updated: 2026-05-16*