Description
The Blue-White A-014N-6A Anti-Siphon Injection Check Valve is a genuine OEM replacement part designed for use with FLEXFLO peristaltic chemical feed pumps. Built for 3/8-inch tubing, it features dual 1/4″ and 1/2″ MNPT threaded connections for versatile installation in a wide range of water treatment setups.
This valve’s anti-siphon design stops unwanted chemical flow when the pump is idle, while its one-way check valve prevents backflow into the chemical source. The result is improved dosing accuracy, system safety, and chemical efficiency.
Made from durable, chemical-resistant materials, the A-014N-6A is ideal for demanding environments such as pools, spas, and industrial water treatment systems. It installs quickly and ensures long-term leak-free operation.
Key Features
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Genuine Blue-White OEM injection check valve
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Designed for FLEXFLO peristaltic chemical feed pumps
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Fits 3/8″ tubing
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Dual 1/4″ MNPT and 1/2″ MNPT threaded connections
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Anti-siphon design prevents chemical flow when pump is off
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One-way check valve prevents backflow and contamination
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Constructed from durable, chemical-resistant materials
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Quick, tool-free installation









