ORDER INCLUDES THE FOLLOWING ITEMS: 1--11" Tank tee with 1" port that screws into the port at the bottom of the pressure tank. Tee has BOTH 1" MALE and 3/4" FEMALE ports for connecting to your incoming /outgoing lines. 1---M4 Square D pressure switch ON 40 PSI...OFF 60 PSI PRESET. 30/50 available in other listing. 1---100 psi PRESSURE GAUGE 1---PRESSURE RELIEF, SAFETY VALVE 1/2" MPT 100psi or 75psi rating, depending on what I have in stock...Please ask if you have preference 1---BOILER DRAIN / HOSE BIB VALVE 1/2" MPT....may or may not be style pictured...same quality, same function though... 1---1/4" BRASS NIPPLE FOR ATTACHING PRESSURE SWITCH, 1---FREE ROLL OF 3/4" thread tape x 520"