Installing one of our vented loops will ensure that fluids will not siphon from tank to tank. Vented loops are commonly used in the marine toilet system and engine cooling system. The simple valve system incorporated in the top of the loop allows air to enter the line when not in use, yet effectively seals as water or other fluid passes through. Molded in Marelon, neither vent nor loop will corrode. The duckbill one way valve is designed to seal properly if particulate matter is present in fluids.
Specifications:
Barb Size: 1-1/4" (28.57mm)
Height: 7" (177.8mm)
Width: 9" (228.6mm)
The Forespar Performance Products MF 839 Vented Loop is an essential component for marine toilet and engine cooling systems, designed to prevent fluid siphoning between tanks. Crafted from durable Marelon, this vented loop resists corrosion and ensures long-lasting performance in harsh marine environments. Its integrated one-way duckbill valve effectively seals against particulate matter, maintaining system integrity while allowing air to enter the line when not in use. The simple yet reliable valve system at the top of the loop guarantees that fluids pass through only in the intended direction, providing a safe and efficient flow control solution. This vented loop features a 1-1/4 inch barb size, making it compatible with standard marine hoses, and measures approximately 7 inches high and 9 inches wide for easy installation in tight spaces. Designed for durability and ease of use, the MF 839 vented loop helps prevent backflow and siphoning issues that can compromise your marine or engine systems, ensuring smooth operation and peace of mind during your voyages. Its corrosion-resistant construction and effective sealing make it suitable for various fluid transfer applications, providing a reliable solution for boat owners and marine technicians alike.
Features:
Corrosion-resistant Marelon construction for durability in marine environments
Vented design prevents siphoning and backflow between tanks
Integrated duckbill one-way valve seals effectively against particulate matter
Simple valve system allows air entry when not in use, sealing fluid flow during operation
Barb size of 1-1/4 inch for standard marine hose connections
Compact dimensions with approximately 7 inches height and 9 inches width for easy installation
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