JMF Co. has expanded its line of PEX products to include tubing, valves, manifolds, and tools. The company’s brass PEX fittings are used to join, route, and cap water service and radiant heat tubing. They are formed from heavyweight plumbing brass bar stock and are completely certified and safe for potable water systems. These fittings are made in accordance with ASTM F197-4 and CSA B137-9/B137-10.