Half Inch Brass Non Return Valve Backflow Preventer Check Valve Bathroom Sink Faucet Replacement Two Piece Set

1/2″ Non-Return Valve, Brass Construction – Backflow Preventer Check Valve, Bath Accessory for Bathroom Sink Faucet Replacement – 2-Piece Set

Product Details:

• Item Dimensions: 1.74 x 0.93 x 0.93 inches
• Non-Return Valves – 2 Pack – Includes one pair of check valves designed for concealed thermostatic mixers. Replaces worn or faulty non-return valves to restore proper water flow control.
• Prevents Backflow & Crossflow Issues – Engineered to stop reverse water flow between hot and cold lines, helping maintain stable temperature control and preventing pressure imbalance.
• Durable, Corrosion-Resistant Construction – Built for long-lasting performance in high-moisture shower environments. Ideal for residential and professional plumbing repairs.
• Compatible with Thermostatic Systems – Fits various models of concealed thermostatic shower systems. Please verify your exact model number before purchase to ensure compatibility.
• Designed for Concealed Shower Valves – Specifically made for in-wall thermostatic mixer bodies.