Blue-White A-014N-4A 1/4″ Tubing Anti-Siphon Injection Check Valve with 1/4″ & 1/2″ MNPT Connections

The Blue-White A-014N-4A Anti-Siphon Injection Check Valve is a genuine OEM replacement part engineered for FLEXFLO peristaltic chemical feed pumps. Designed for 1/4-inch tubing, this valve features dual 1/4″ and 1/2″ MNPT threaded connections for flexible installation into various system configurations.

Its anti-siphon design prevents unwanted chemical flow when the pump is off, while the one-way check valve stops backflow, helping to maintain proper system pressure and prevent contamination of the chemical source.

Built from durable, chemical-resistant materials, the A-014N-4A delivers reliable performance in harsh pool, spa, and industrial water treatment environments. Ideal for chlorine, acids, and other water treatment chemicals, this valve installs quickly and ensures leak-free operation.

Key Features

• Genuine Blue-White OEM injection check valve

• Fits FLEXFLO peristaltic chemical feed pumps

• Accepts 1/4″ tubing

• Dual 1/4″ MNPT and 1/2″ MNPT threaded connections

• Anti-siphon design prevents chemical flow when pump is idle

• One-way check valve prevents backflow and contamination

• Durable, chemical-resistant construction

• Quick and easy installation