Blue Mountain Rain Harvesting 4" Flap Valve Vent Screen Round TAFV104
Blue Mountain Rain Harvesting 4" Flap Valve Vent Screen Round TAFV104
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Condition: Open box
The Blue Mountain Rain Harvesting 4 Inch Flap Valve Vent Screen (model TAFV104) is a round vent screen built to protect rainwater collection systems from unwanted debris and pests. Its flap valve design allows air and water to pass through while keeping insects, leaves, and small animals out of your storage tank, making it an essential fitting for anyone managing a rainwater harvesting setup. The 4-inch diameter matches standard vent openings found on most rain barrels and cisterns, so it integrates directly into existing plumbing without modification.
For homeowners running a rain barrel vent screen or a larger cistern system, this flap valve helps maintain water quality by acting as a barrier against contaminants that would otherwise enter through open vents. It reduces the risk of mosquito breeding, keeps out rodents and debris carried by wind, and supports better airflow within the tank, which helps prevent stagnation. Because it's sized for standard 4 inch fittings, replacing a worn or damaged vent screen is straightforward, letting you keep your rainwater harvesting system running efficiently without a full plumbing overhaul.
This flap valve vent screen is best suited for rainwater harvesting enthusiasts, off-grid property owners, and anyone maintaining a cistern or rain barrel who needs a reliable 4 inch vent screen replacement part. Whether you're building a new system or servicing an existing one, the TAFV104 offers a practical, properly sized solution for keeping collected rainwater clean and your vent hardware functioning as intended.
📦 Shipping Information
United States Orders: Shipped via Canada Post. Estimated delivery: 4–7 business days (may take up to 10 business days if border delays occur).
Canadian Orders:Orders are shipped via Chit Chats. Estimated delivery is typically 2–6 business days, depending on destination and carrier processing times.
International Orders:Shipped with Chit Chats or Canada Post, depending on service availability. Estimated delivery: 7–15 business days (varies by destination).
Returns & Refunds Policy: We offer a 30-day return window. Items must be gently used, in their original packaging and not have major signs of use/damage
Customs Duties & Import Fees: Orders shipped outside Canada may be subject to import duties, taxes, or customs fees. For U.S. orders, all duties are pre-paid and included—no extra charges at delivery.
Disclaimer: At DaveyDooDeals, our products are sourced from trusted channels, including surplus warehouses, authorized distributors, and carefully selected clearance inventories. While many items are new and unused, some are reclaimed from decommissioned equipment or overstock. Each listing clearly states the item’s condition and any known defects. In the unlikely event that a defect is missed, our 30-day return policy has you covered.
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