4-Pk 1 in. Schedule 40 PVC In-Line Spring Check Valves Slip/Socket

247Garden 4-Pack 1 in. Schedule 40 PVC In-Line Spring Check Valves, Socket – Free Shipping Anywhere in the USA

Protect your water systems from unwanted backflow and pressure damage with the 247Garden 4-Pack 1 in. Schedule 40 PVC In-Line Spring Check Valves. Built for performance and durability, these check valves are an essential component in any system where preventing reverse flow is critical—whether it’s irrigation, aquaponics, hydroponics, pools, or general plumbing.

Each valve features a corrosion-resistant stainless-steel spring mechanism inside a heavy-duty Schedule 40 PVC body. The spring allows water to flow freely in one direction, and automatically closes when flow stops, effectively preventing backflow and helping to protect sensitive equipment such as pumps, filters, and pressure tanks.

How to Use a Spring Check Valve:

A spring check valve should be installed in-line on a pressurized water line where you want to ensure one-way flow. These valves work automatically—no manual operation is needed. Simply:

1. Identify the flow direction (marked with an arrow on the valve body).

2. Cut your PVC pipe and dry-fit the valve in place, making sure the flow arrow points in the direction you want water to move.

3. Use PVC primer and solvent cement to glue the slip/socket ends of the valve to your 1-inch Schedule 40 PVC pipe.

4. Allow curing time as recommended by the cement manufacturer before pressurizing the system.

These valves can be installed in either horizontal or vertical positions, but for vertical applications, make sure the flow is upward to ensure proper function of the spring mechanism.

Product Highlights:

• Brand: 247Garden

• Size: 1 inch (Socket x Socket)

• Material: White Schedule 40 PVC body with stainless steel internal spring

• Design: In-line, one-way check valve suitable for both horizontal and vertical installation

• Function: Prevents reverse flow, protects pumps and filters, maintains system pressure integrity

• Pressure Rating: Up to 150 PSI

• Temperature Rating: Up to 140°F (60°C)

• Applications: Ideal for irrigation systems, drip lines, aquaponics, hydroponics, swimming pools, water storage tanks, fountains, and more

• Installation: Solvent-weld slip/socket connections for a secure, leak-free fit

• Quantity: 4 valves per pack

• Shipping: Free shipping anywhere in the USA

Whether you're managing a garden irrigation setup or maintaining a complex hydro system, 247Garden's 4-Pack 1” In-Line Spring Check Valves deliver the flow control and reliability you need. Built tough and easy to install, these valves offer peace of mind and system protection—all with fast, free shipping across the USA.