Quickly and easily transition between copper and pex piping systems. Designed for use with water, oil, glycol mix in residential or commercial plumbing and heating systems. Refer to specification sheets for additional technical information. All Webstone products are backed by a limited lifetime warranty. Webstone, H-36843W-R, Transition Elbow, Series: 3684, Press x PEX End Style, 250 psi CWP Pressure, 250 deg F, DZR Brass, 1.26 in W x 1.26 in H x 1.85 in L Dimensions, Forged Method of Manufacture, Import