Stainless Steel Half Inch Check Valve One Way Non Return Valve For Kitchen Faucets Water Heaters Toilets Male To Female G Thread Straight Thread Backflow Prevention For Plumbing Systems

Stainless 1/2-in G Thread Check Valve, Single-Piece
✔️ 1/2 G male to female G, 304 stainless, straight threads, 20 mm OD

This 1/2 inch stainless steel check valve is designed to stop backflow in plumbing lines, protecting kitchen faucets, water heaters, toilets, and storage tanks from reverse flow and potential damage.

✅ Material: 304 stainless steel, corrosion- and moisture-resistant
✅ Thread: 1/2" G male to 1/2" G female, straight threads
✅ Outer diameter: approximately 20 mm (0.78 in)
✅ Backflow prevention: one-way flow design ensures water moves in only one direction
✅ Temperature & pressure tolerance: built to handle high temps and pressures
✅ Finish: polished surface for bright, clean look
✅ Orientation note: install with correct flow direction to function properly

💡 What is a 1/2 inch G thread check valve used for in home plumbing? This handy device stops backflow and protects fixtures.

- Prevents reverse flow in cold or hot water lines to avoid contamination - Simple DIY install with standard G-thread connections - Helps meet local backflow prevention requirements and save energy - Durable design suited for kitchens, bathrooms, and water heating systems