1pcs Brass Threaded Inline Spring Check Valve (3/4 inch) Keep water flowing in the right direction and protect pumps and plumbing from backflow. This compact, springloaded inline check valve is made of brass and designed for easy threaded installation in 3/4' water lines. It operates automatically to stop reverse flow, helping maintain pump prime and protecting equipment. Key benefits Prevents backflow automatically: the springloaded mechanism closes when flow reverses, protecting pumps, filters, and upstream equipment. Durable and corrosionresistant: brass construction resists rust and provides long service life in water applications. Simple, spacesaving installation: inline, threaded design fits directly into 3/4' plumbing runs without extra fittings or mounting. Reliable operation: spring action gives fast response to flow changes, keeping systems protected without manual intervention. Singlepiece supply: package contains 1pcs, ready to install. Features and specifications Quantity: 1pcs Type: Threaded inline spring check valve Size: 3/4 inch Material: Brass Function: Prevents reverse flow (check valve) for water control and pump protection Installation: Inline, threaded connection for straightforward plumbing integration Compatibility and use Fits 3/4' threaded water lines and can be used where a compact, inline check valve is required. Suitable for potable and nonpotable water systems where brass is acceptable. Typical applications Water pump protection: Install on the discharge side of a pump to maintain prime and prevent backflow when the pump is off. Garden and irrigation systems: Prevents water from returning to supply lines or tanks when multiple zones are used. Household plumbing and auxiliary water systems: Use in line with pressure tanks, filters, or booster pumps to protect upstream components. Installation tips Ensure the valve is installed in the correct flow direction (inlet to outlet) indicated by the valve orientation. Handtighten and then secure with appropriate plumbing tools; avoid overtightening to prevent thread damage. Check compatibility with your thread standard and pipe fittings before installation. What this valve solves Eliminates reverse flow that can cause pump loss of prime, contamination of supply, or damage to equipment. Offers a lowmaintenance solution that operates automatically, reducing the need for manual intervention or frequent checks. Professional, reliable, and easy to install, this 3/4' brass threaded inline spring check valve is a practical choice for common water control and pump protection needs.