Phoenix 69MB7LY2C 95/125 PSI 4-Port Air Compressor Switch w/ Unloader Valve & Auto/Off (Furnas type) 3 Year Warranty against defects and failures 95 - 125 PSI air compressor switch 4-port, 1/4" NPT pipe fittings Auto/Off lever = yes, Unloader valve = yes Maximum motor switching capacity = 1.5HP @ 120V / 2HP @ 240V