The ProPEX® Engineered Polymer (EP) Reducing Tee makes diverting connections to Uponor PEX-a crosslinked polyethylene pipe for use in hot and cold domestic potable-water systems, residential fire sprinkler systems, and hydronic radiant heating and cooling systems. Each end of the tee is manufactured with an Uponor ProPEX fitting for connections to Uponor AquaPEX® or Wirsbo hePEX™ pipe. Note that the branch size is listed last in the part description. Uponor, Q4751113, Reducing Tees, Series: ProPEX®, Fitting/Connector: Reducing Tee, 1 x 1 x 1-1/4 in Nominal, PEX End Style, 4.382 in Length, 80 to 160 psi Pressure, Engineered Polymer, 73 to 200 deg F, 2.945 in H x 1.82 in W Dimensions, Domestic