Honeywell L4079B1033?áPressuretrol Limit Controller, 2-15 PSI Operating Pressure Range, Manual Reset, SPST Switch Break on Pressure Rise, Stainless Steel Diaphragm, For use with Steam, Air, Noncombustible Gases and Non Corrosive Fluids, 1/4" Internal Thread or Surface Mount through back of Case, 120Vac/240Vac

L4079B1033 is identical to L4079B1033/U