Founded in 1947, JMF Company has grown to be a leader in the U.S. rough plumbing and HVAC wholesale supply industry. Major product categories include line sets, copper tube, copper fittings, valves, brass and malleable fittings, PEX tube, fittings and tools, water and gas connectors and appliance kits. JMF's global-sourcing capabilities have been developed over decades, providing customers with the best products in the market from the world's best manufacturers. For use with brass, copper and iron pipe For water, oil, fuel and natural gas applications Not for underground use Minimum Working Pressure 150 PSI Maximum Working Pressure 1200 PSI Minimum Working Temperature -65F Maximum Working Temperature 250F