• Convertible feature allows selection of manual or reset function when operating at high pressure (O12‑4833/O12-4834)
• A wide range of high pressure manual or automatic reset controls can be replaced (O12-4833 or O12‑4834)
• A high pressure limit is combined with suction pressure sensing to provide temperature control and/or pump down
• High limit adjustment screw
• Low pressure differential and range adjusting screws
• Selector screw for manual or automatic
• Reset button
• Low pressure scale plate
• High impact plastic cover with center-mount screw
• High pressure scale plate
• Super Cap® capillary protection system
• Color-coded for easy identification of pressure line
• High side capillary flare nut (silver)
• Low side capillary flare nut (brass)

The Ranco® dual pressure controls combine the functions of a single high pressure limit control and a single low pressure control in one unit with a single pole, single throw (SPST) switch.