Honeywell L4079B1041 Presstrol Pressure Switch 10-150# M/R Open High OEM

Note: the L4079W variant is intended for oil applications. This unit uses a snap-acting micro switch that opens automatically when pressure rises but requires manual reset. It is fitted with a stainless-steel diaphragm, making it suitable for steam, air, noncombustible gases, and any fluids that are non-corrosive to stainless steel. Made in United States.