1 x 11 Tank Tee Kit Installation Water Well Pressure Tank with SQUARE D 40/60 M4 pressure switch NO LEAD 1x11 Tank Tee(Solid Brass Construction NO LEAD) (1) Square D 40/60 M4 Low Pressure cut-off Switch (1) 1/2" Brass Pressure Relief Valve; (1) 1/2" Brass Boiler Drain (1) 1/4" x 3" Brass nipple; (1) 1/4" 100 psi Pressure Gauge; FREE ROLL OF TEFLON TAPE INCLUDED