Low Voltage Condensate Overflow Shut-Off Safe-T-Switch, Volts:24, Amps:1.25, Wire Leads:4'/18 Gauge, Features:Shuts Off When Clogged Drain Lines Detected To Prevent Water Damage, Most Reliable Switch On The Market, Easy To Install, Magnetic Reed Switch, Easy Access Service, And Connect To Red Or Yellow Wire, Installation: Can Be Installed Horizontally, Vertically, Inline, Or On The Primary Pans Drain Outlet, (Product Includes:(1) Safe-T-Switch/W 4' Wire Leads, (1) 3/4 Plug, (1) 3/4 Threaded Male X Slip Male Adaptor, (1) 3/4" To 1" Reducer Bushing, And (1) Cap)