Liquid Filled Stainless Steel Pressure Gauge. 3/4" Stainless Steel Boiler Drain; 3/4" Stainless Steel Pressure Relief Valve. 1/4"x3" Stainless Steel Nipple; Roll of Teflon Tape. (1) 40/60 m4 Square D Pressure Switch... THIS IS THE LOW PRESSURE CUT OFF SWITCH, WHICH WILL SHUT POWER OFF TO YOUR PUMP WHEN SYSTEM PRESSURE REACHES 20PSI.
WILL HAVE TO BE MANUALLY RESET... (1) Liquid-filled Stainless Steel Pressure Gauge.(1) 1/4"x3" Stainless Steel Nipple for attaching pressure switch & (1) Roll of Teflon Tape.