The Forespar MF 840 Vented Loop is designed to prevent siphoning between tanks, making it a reliable component for marine toilet systems and engine cooling applications. This loop features a simple, integrated valve system at the top that allows air into the line when the system is inactive and automatically seals when fluid passes through.
- Barb Size: 1-1/2 in. (38.1 mm)
- Height: 5-1/4 in. (133.35 mm)
- Width: 7-3/4 in. (196.85 mm)
- Construction: Durable, corrosion-resistant molded Marelon
- Integrated duckbill one-way valve designed to maintain a proper seal even if particulate matter is present
Product facts
- CT SKU
- CT-106945
- Model / MPN
- 903000
- UPC / GTIN
- 028026148711
- Package dimensions
- 2" X 5" X 8"
- Package weight
- 0.45 lb
- Specifications
- Type = Vented Loops
Shipping & returns
Shipping & returns
Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.
Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
Need help choosing?
Need help choosing?
Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.
