Shurflo by Pentair In-Line Check Valve – 1/2" Barbs – 340-001

Maintain consistent water pressure and prevent backflow with the Shurflo by Pentair In-Line Check Valve 340-001, a dependable OEM component designed for marine, RV, and freshwater pump systems. Featuring 1/2" hose barb fittings, this in-line check valve installs easily into existing hose runs to ensure one-way water flow and protect pumps from pressure loss and cycling issues.

Constructed from durable, corrosion-resistant materials, the 340-001 check valve helps maintain prime, reduces pump wear, and improves overall system efficiency. Ideal for use with Shurflo freshwater, washdown, and general-purpose pumps, it is well-suited for both saltwater and freshwater environments.

Compact and reliable, this Shurflo in-line check valve is an essential upgrade or replacement part for maintaining smooth, efficient pump operation.

Key Features:

• Genuine Shurflo by Pentair OEM in-line check valve

• Prevents backflow and helps maintain pump prime

• Reduces pressure loss and pump cycling

• 1/2" hose barb connections for easy installation

• Durable, corrosion-resistant construction

• Suitable for marine, RV, and freshwater systems

Specifications:

• Connection Size: 1/2" barbs

• Function: One-way water flow (check valve)

• Application: Pump and plumbing system protection

Part Number: 340-001

Ideal for boat owners, RV users, and marine professionals, the Shurflo In-Line Check Valve delivers dependable performance and long-term system reliability.

Installation Tip: Always check the flow arrow stamped on the side of the valve body before securing your hose clamps. Installing it backward will completely block your water flow.