The GENBRA 1/2" Double Check Valve DZR (BFDCV‑D) is a compact, dezincification-resistant brass valve designed to protect water systems by preventing backflow contamination. Suitable for domestic and commercial applications, this durable double check valve ensures one-way water flow, safeguarding plumbing installations and maintaining water quality.
The McAlpine T28MNRV Non-Return Valve 1½" (T28M-NRV) provides reliable backflow prevention for waste and drainage systems. Designed for secure, leak-free operation, this durable valve ensures water flows in one direction only, protecting pipework and appliances. Ideal for domestic and commercial plumbing installations, it is a trusted solution for maintaining efficient drainage performance.