Forespar MF 840 Vented Loop - 1-1/2"

Ensure the reliability and efficiency of your marine systems with the MF 840 Vented Loop. Specifically designed for boating applications, this high-quality vented loop prevents unwanted siphoning between tanks, safeguarding your engine cooling system and marine toilet setup. Crafted from durable Marelon, the MF 840 guarantees long-lasting performance without the risk of corrosion, even in harsh marine environments.

Key Features

• Anti-Siphon Design: Prevents fluids from unintentionally transferring between tanks, maintaining system integrity.
• Versatile Applications: Ideal for marine toilet systems and engine cooling systems on various types of vessels.
• Durable Construction: Made from Marelon, ensuring both the vent and loop resist corrosion and withstand the corrosive marine atmosphere.
• Advanced Valve System: Equipped with a duckbill one-way valve that effectively seals even when particulate matter is present in the fluids.
• Easy Installation: Features a simple valve mechanism at the top for effortless integration into your existing systems.

Benefits

• Enhanced System Reliability: By preventing siphoning, the MF 840 ensures that each tank operates independently, reducing the risk of system failures.
• Maintenance-Free Operation: The durable materials and reliable valve system minimize the need for frequent maintenance.
• Corrosion Resistance: Marelon molding protects the vented loop from the harsh effects of saltwater and other corrosive elements common in marine environments.
• Optimal Performance: The precise valve design allows for smooth airflow when not in use while maintaining a tight seal during fluid flow, ensuring optimal system performance.

Specifications

Attribute	Details
Barb Size	1-1/2" (38.1mm)
Height	5-1/4" (133.35mm)
Width	7-3/4" (196.85mm)
Type	Vented Loops
Box Dimensions	2"H x 6"W x 8"L
Weight	0.45 lbs
UPC	028026148711

Installation Instructions

Installing the MF 840 Vented Loop is straightforward and can be accomplished with basic plumbing tools. Follow these steps to ensure a secure and effective installation:

1. Prepare the Mounting Area: Choose a suitable location on your vessel where the vented loop can be easily accessed and is protected from potential damage.
2. Connect the Hose: Attach the 1-1/2" barb fittings to the appropriate tank outlets, ensuring a snug fit to prevent leaks.
3. Secure the Loop: Position the vented loop in the mounting area and secure it using the provided brackets or clamps.
4. Install the Valve System: Ensure the valve at the top of the loop is oriented correctly to allow airflow when not in use while maintaining a seal during operation.
5. Test the System: After installation, run your marine systems to verify that the vented loop is functioning correctly, preventing siphoning and allowing proper airflow.

Why Choose the MF 840 Vented Loop?

The MF 840 Vented Loop stands out in the marine industry due to its robust construction, reliable performance, and ease of installation. Whether you're outfitting a new vessel or upgrading existing systems, the MF 840 provides the peace of mind that comes with knowing your marine systems are protected against unwanted fluid transfer and environmental corrosion.

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