NIBCO PRESS REPAIR COUPLING 1-1/2"The Nibco Press System fittings are designed to join with ASTM B 88 seamless copper water tube in residential and commercial potable, hot, chilled and process water applications for plumbing and HVAC systems. Copper and copper alloy materials and EPDM elastomeric seals have a long history of compatibility with common chemicals used in these systems. A chemical resistance chart should always be referenced when other fluids are to be introduced. | No Flame | Watertight seal | Easy to install | Consistent & reliable connections | Faster installation | Installs wet or dry | Enviromentally clean | Safe installation | -20°F to 250°F up to 200 PSIG, non-shock working pressure