Pressure Tank Installation Kit: This pressure tank tee to fit most pressure tanks with diameters up to 16". Kit includes: 11" Tank Tee with Union, 40-60 Pressure Switch, 100 PSI Pressure Gauge, 100 PSI Pressure Relief Valve, Drain Valve. Both ends of the tee have male 1" NPT and female 3/4"NPT threads Safety Well Tank Tee: The well pump pressure switch can automatically control the water pump's on/off when it hits pressure points at 40/60 psi. When the water pressure tank switch is broken and overpressure, the pressure relief valve will blast water to evacuate pressure, it is to protect your tank and plumbing from breaking. Drain valve for drain all the lines, offer convenience for your plumbing work or tank replacement when needed High Quality Pressure Tank Tee Kit: The pressure tank tee is made of high quality brass that is corrosion resistant. It is also leak-free and can be installed quickly and easily. lead-free, so its safe for your family to use Easy to Install and Use: this is a great pressure tank installation kit that will save you a lot of trouble and time. It is also very easy to use and will help you to install a pressure tank within minutes. Its recommended that you check all your existing plumbing before installing the new pressure tank tee Our pressure tank tee kit is made of high quality materials and has an extra-long service life. Should any queries arise regarding the pressure tank tee kit, rest assured, we stand ready to provide a satisfactory solution