903016 - Forespar Performance Products Forespar MF 844 Vented | Aztek Computers
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SKU: LXM3STHDF8 |  Mfg. Part: 903016  | UPC: 028026192974  | 
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903016 - Forespar Performance Products Forespar MF 844 Vented Loop for Marine Systems - 1"

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Product Overview

Forespar MF 844 Vented Loop - 1"

The Forespar MF 844 Vented Loop is designed to prevent siphoning between tanks in marine applications. This effective solution is ideal for use in marine toilets and engine cooling systems. The incorporated valve system allows air to enter the line when not in use while effectively sealing it when fluids pass through. Constructed from durable Marelon, both the vent and loop are resistant to corrosion. The one-way duckbill valve ensures a proper seal even when particulate matter is present in the fluids.

Specifications:

  • Barb Size: 1" (25.4mm)
  • Height: 7" (177.8mm)
  • Width: 9" (228.6mm)

Expert Overview

The Forespar MF 844 Vented Loop, part number 903016, is a specialized component designed to prevent siphoning in marine fluid systems. This unit is suitable for integration into marine toilets and engine cooling systems, where it addresses the risk of unintended fluid transfer between tanks. It incorporates a valve system that allows air to enter the line when the system is inactive, breaking the siphon, and then seals effectively when fluids are in motion. Constructed from corrosion-resistant Marelon, both the vent and loop are built for durability in marine environments. The 1-inch barb size facilitates connection to standard marine plumbing. Its duckbill one-way valve is engineered to maintain a proper seal even when particulate matter is present in the fluid stream, ensuring reliable operation. This vented loop provides a practical solution for maintaining system integrity and preventing backflow in critical marine applications.

Technical Specifications

  • Prevents siphoning between tanks
  • Corrosion-resistant Marelon construction
  • Effective for marine toilets and engine cooling
  • Duckbill one-way valve seals with particulates
  • Compact dimensions for easy installation

Product Details

  • Manufacturer:
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  • UPC:
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  • Dimensions:
  • Updated:
  • Added:
  • Forespar Performance Products
  • 903016
  • B0FQGGHHDG
  • 028026192974
  • New
  • 0.5 lbs
  • 7 X 2 X 4
  • Aug 03, 2026
  • Apr 16, 2025
Product Identifiers: Brand: Forespar Performance Products • Part #: 903016 • UPC: 028026192974 • ASIN: B0FQGGHHDG • Category: Tubing & Valves

Frequently Asked Questions

What is the primary function of the Forespar MF 844 Vented Loop?

The primary function of this vented loop is to prevent siphoning between tanks in marine applications. It uses an incorporated valve system to allow air into the line when not in use, breaking the siphon.

What types of marine systems is this vented loop compatible with?

This vented loop is specifically designed for use in marine toilets and engine cooling systems. Its 1-inch (25.4mm) barb size is suitable for integration into corresponding plumbing lines.

What material is the Forespar MF 844 Vented Loop constructed from?

Both the vent and loop components are constructed from durable Marelon. This material is resistant to corrosion, making it suitable for marine environments.

What are the physical dimensions of the vented loop?

The Forespar MF 844 Vented Loop has a height of 7 inches (177.8mm) and a width of 9 inches (228.6mm). It features a 1-inch (25.4mm) barb size for connections.

903016 - Forespar Performance Products Forespar MF 844 Vented Loop for Marine Systems - 1"

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