3/4″ Inline Non-Return Valve

Keep your pump system primed and help prevent unwanted backflow with this 3/4″ inline non-return valve. Designed for straightforward in-line installation on suction or discharge lines, it works with both manual and electric pumps.

Key Features

• Simple way to maintain prime in a suction or discharge line
• Helps stop backflow when the pump is turned off
• Designed to fit in-line
• Works with manual or electric pumps
• Whale inline non-return valve for 3/4″ hose plumbing

Intended Use

• Suction and discharge line applications for marine plumbing systems
• Pump setups that benefit from improved priming and backflow prevention (manual or electric pumps)

Product Details

• Part type: Inline non-return (check) valve
• Size: 3/4″ inline non-return valve
• SKU: 698-LV1219
• Hose: 3/4″ (input) to 3/4″ or 1″ (discharge)
• Description: Simple way to maintain prime in a suction or discharge line; designed to fit in-line; use with manual or electric pumps

Parts Desk Insights

Best Use Case: Use this inline valve in a suction or discharge run where you want to help maintain prime and reduce backflow when the pump is not running.

Common Issues: If flow seems inconsistent after installation, double-check that the valve is installed in the correct direction for in-line flow on your diagram, and confirm hose sizing at both inlet and outlet.

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