Forespar MF 847 Vented Loop, 1-1/8" Marelon Anti-Siphon Valve – Made in USA

Safeguard your marine systems with the Forespar MF 847 Vented Loop. Engineered for superior performance, this anti-siphon valve effectively prevents unwanted backflow and fluid siphoning between tanks, ensuring the integrity of your onboard plumbing. Proudly made in the USA, it's a critical component for marine toilets, engine cooling, and bilge systems. Upgrade your vessel's plumbing for enhanced safety and performance.

Key Features & Benefits:

• Robust Anti-Siphon Design: Actively prevents unwanted backflow and siphoning between tanks or systems, protecting sensitive equipment and preventing contamination.
• Corrosion-Proof Marelon Construction: Crafted from durable, non-metallic Marelon, offering complete resistance to corrosion in both saltwater and freshwater environments, as well as UV degradation and abrasion for long-term reliability.
• Integrated Duckbill Valve: Features a self-sealing one-way duckbill valve that reliably allows air to enter the line when idle and seals tightly when liquid flows, even if particulate matter is present.
• Secure 1-1/8" Barb Connection: Designed with a 1-1/8" (28.57mm) barb for secure and leak-proof hose connections, accommodating standard marine hoses.
• Compact & Versatile Dimensions: With a 7" height and 9" width, its compact design fits easily into tight spaces within marine plumbing layouts.
• Broad Marine Application: Commonly used in vital marine systems including toilet systems, engine cooling, bilge plumbing, and holding tanks for comprehensive protection.

Recommended Pairings: Consider Forespar MF 841 Vent Cap Assembly or MF-846 Vent Barb Assembly for alternative venting configurations.