Pressure Switch - Water Systems, Reverse Action, Max 1-18 psi, Factory Setting 7-3 psi, Differential Range 3-12 psi

Furnas brand W series pressure switches provide time tested, reliable control for automatic water systems. The switch is universally accepted for use as original equipment on water well pumps or pumping systems. Its simple design makes it easy to use for professionals and non-professionals alike.

Cut-in (close the contacts) on rising air or water pressure. Designed to ground ignition on gas driven pumps and compressors when desired maximum pressure is reached. Can also act as low pressure alarm or to prevent pump operation at low pressure. Reset lever optional.