Proflow's Pressure adjustable safety switches have been designed to,for example sense when oil pressure drops below a specific minimum pressure and shuts-off the fuel pump, or wired to activate a warning light when pressure drops below the set point. This heavy-duty pressure switch is made of premium materials to serve as a quality replacement. Note: Choice of Normally Open or Normally Closed wiring Can be used for Fuel, Oil, Air Factory Pre Set To 10lb, Can be wired to switch ON or OFF at 10lb Clockwise to increase the pressure set point / Anti Clockwise to lower set point - Hex screw under rubber cap
