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.

Features and Benefits

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 screw
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)
Cap included on all Australia temperature controls. Optional for all other regions

The Ranco® O Series Single Low Pressure Controls offer a variety of pressure ranges and switch action to provide maximum application flexibility.

Features and Benefits

Controls available for most refrigerant types
High-amp rated switch (SPST) design (O10-1402/O10-1483)
Super Cap® capillary vibration protection system
Non-conductive front cover with captive screw
Adjustable differential and range
Easy-to-read scale plate
Vibration cone (absorbs and reduces vibration away from brazed joint)
Low mass copper alloy capillary tube (reduces capillary stress caused by equipment vibration)
The O16-624 control has additional features:

Compatible with refrigerants 134A, 401A, 401B, 402A, 402B, 403A, 403B and 404A
Cap included on all Australia temperature controls. Optional for all other regions

The Ranco® Wide Range O Series Temperature Controls provide a wide selection of controls customized to allow users exact adjustments within manufacturers' limits. The Ranco O Series features heavy-duty plated steel frames, non-conductive covers with front-located captive cover screws, raised screw terminals for fully accessible wiring, and large easy-to-read scales. Recognizing the need for flexibility in design of refrigeration equipment, these controls offer a wide selection for such products as self-contained refrigerators, freezers, coolers, walk-in units, and refrigeration display cases.

Features and Benefits

Maximum adjustment accuracy with 7 revolution range adjustment screws
NEMA 1 enclosure with non-conductive cover
Universal mounting and compact design
Laser-welded bellows for extended life
Wide range adjustable differential
The O60 Series have these additional features:

10 times setting sensitivity of most other wide range controls (O60 series only)
Gas-filled, nonposition-sensitive bulb (O60 series only)
Cap included on all Australia temperature controls. Optional for all other regions.

The Ranco® O Series Single Low Pressure Controls offer a variety of pressure ranges and switch action to provide maximum application flexibility.

Features and Benefits

Controls available for most refrigerant types
High-amp rated switch (SPST) design (O10-1402/O10-1483)
Super Cap® capillary vibration protection system
Non-conductive front cover with captive screw
Adjustable differential and range
Easy-to-read scale plate
Vibration cone (absorbs and reduces vibration away from brazed joint)
Low mass copper alloy capillary tube (reduces capillary stress caused by equipment vibration)
The O16-624 control has additional features:

Compatible with refrigerants 134A, 401A, 401B, 402A, 402B, 403A, 403B and 404A

The Ranco® ETC Series Electronic Temperature Control offers a full-featured electronic replacement for electrical-mechanical temperature controls used in many commercial refrigeration applications. With its wide temperature range, one and two stage capability, selectable heating/cooling modes and multi-voltage input, the ETC is designed to provide application flexibility. Models available include 120/208/240V AC and 24V AC.

Features and Benefits

Anti-short cycle compressor delay for cooling applications
Wide temperature range (-30°F to 220°F) (-34.4°C to 104.4°C)
Wide differential adjustment (1°F to 30°F) (-17°C to -1°C)
LCD read-out for sensor temperature, control settings, and relay status
High Amp output relay (FLA 16 Amps @ 120V AC and 8 Amps @ 208/240V AC) single stage
EEPROM memory retains control settings during power outages
Keypad lockout to prevent end-user alteration of settings
8 foot lead with sensor is extendable up to 400 feet using 18- or 22-gauge thermostat wire
Easy 4-step set-up
Heavy-duty relay is 1HP rated
Selectable °F or °C heating/cooling modes
Single and two stage models
NEMA 1 case and cover
NEMA 4X models available
White backlight on display
Sensor rated IP67 for dust and water (<1m) resistance