Bradley Navigator Thermostatic Mixing Valve, designed for point-of-use commercial applications. 8 GPM @ 45 PSI. Certified to ASSE 1070. Certified to cUPC standards. Certified by IAPMO to meet lead free plumbing laws. Rough brass finish. Incoming 1/2in. NPT connections, outlet is 1/2in. NPT. Maximum operating pressure of 125 PSI. Maximum inlet temperature of 180 degrees F. Minimum temperature differential of 10 degrees F between incoming hot water temperature and valve set point. Universal Mounting Capability. Manufactures limited warranty.