For low or high-pressure applications, Robertshaw’s pressure control solutions are the top choice for OEMs around the world for both residential and commercial applications.
O Series Single Low Pressure Controls
Application: Commercial Refrigeration
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:
- High-amp rated switch (SPST) design (O10-1402/O10-1483)
- Super Cap® capillary 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)
- Compatible with refrigerants 134A, 401A, 401B, 402A, 402B, 403A, 403B and 404A
- Cap included on all Australian controls. Cap is optional on controls for all other regions
Agency Certifications:
- UL
- CE models O12 and O16
- IP44 rated for all Australian controls
- IP44 rated for all EMEA and South American controls with optional cap
O Series Single High Pressure Controls
Application: Commercial Refrigeration
The Ranco® O Series Single High Pressure Controls offer a variety of pressure ranges and switch action to provide maximum application flexibility.
Features and Benefits:
- NEMA 1 enclosure with non-conductive cover
- Front-located captive cover screw
- Large, easy-to-read scale plate
- Super Cap® capillary protection system
- Universal mounting and compact design
- Screw terminals are raised and fully accessible for easy wiring
- Laser-welded bellows for extended life
- Heavy-duty plated steel frame
- Compatible with refrigerants 134A, 401A, 401B, 402A, 402B, 403A, 403B and 404A
- Cap included on all Australian controls. Cap is optional on controls for all other regions
Agency Certifications:
- UL
- CE models O12 and O16
- IP44 rated for all Australian controls
- IP44 rated for EMEA and South American controls with optional cover
O Series Dual Pressure Controls
Application: Refrigeration
The Ranco® O Series Dual Pressure Controls combine the functions of a single high-pressure limit control and a single low-pressure control in one unit.
Features and Benefits:
- Convertible feature allows selection of manual or reset function when operating at high pressure
- Replaces wide range of high-pressure manual or automatic reset controls
- 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 on manual controls
- Low-pressure and high-pressure scale plate
- High-impact plastic cover with center mount screw
- 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
- Compatible with most refrigerants including 134A, 401A, 401B, 402A, 402B, 403A, 403B and 404A
- Cap included on all Australian controls. Cap is optional on controls for all other regions
Agency Certifications:
- UL
- CE models O12 and O16
- IP44 rated for all Australian controls
- IP44 rated for EMEA and South American controls with optional cover
THE ROBERTSHAW DIFFERENCE
With unmatched flow-control expertise, rapid development capabilities, strategically located manufacturing and an engaged team driven by collaboration and innovation, we’ll help you achieve extraordinary outcomes.