Double Check Valves are designed to prevent water from becoming contaminated; it allow water to flow through without permitting backflow.
Size: 15mm Copper to copper fitting Compression fitting so does not require solder Heat free installation method Our high quality fittings are simple to use and offer quick to fit reliable solutions to your plumbing projects. They are also easy to take apart so when you need to replace appliances and fixtures you will find the task much easier with a compression fitting.