Zurn® Wilkins Aqua-Gard® Lead-Free Thermostatic Mixing Valve, Series: ZW1017XL, 1/2 in Nominal, C, 145 psi, 120 to 195 deg F Hot Supply/40 to 75 deg F Cold Supply, 18 gpm Flow, Media: Water, 5-1/4 in Inlet to Outlet Length, 2-1/16 in Top to Inlet Center, Cast Bronze Body, 300 Stainless Steel Spring Trim, Nitrile Elastomer Seal/Noryl GFN2 Guide Tube, 5-7/16 in H