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| ▼ | PENN® Refrigeration Controls |
| • | Temperature Controls |
| • | Temperature Controls |
| • | Temperature Controls |
| • | Multi Stage |
| • | A28 Two Stage |
| • | A36 Series: Four Stage Remote Bulb Thermostat |
| • | Line & Low Voltage T-Stats |
| • | Electronic |
| • | Pressure |
| • | Lube Oil Controls |
| • | Water Regulating Valves |
| • | Fan Speed Controls |
| • | Refrigerant Leak Detectors |
| • | Float & Flow Controls |
| • | Where To Buy |
| ► | Modular Control Systems |
A28 Series: Two Stage Temperature Controls Less Enclosure
Description
These controls have a nonadjustable differential on each switch. Available with 1/4 in. shaft and choice of .156 in. or .187 in. flat for knob mounting (knob not supplied), screwdriver adjustment or factory sealed setting on quantity orders (see Optional Constructions). Standard shaft rotation is clockwise for warmer when facing adjusting shaft. Also available with calibrated dial and pointer.
Controls may be supplied for immersion applications for use with a closed tank connector or with a bulb well assembly.
Features
- Liquid-filled, copper sensing element which is unaffected by barometric pressure and cross ambient temperature
- Flexibility - wide choice of ranges, mounting and element styles
- Preciscion repeat accuracy which is unaffected by barometric pressure and cross ambient problems
- Special close differential models with case compensation of ambient temperatures available for critical requirements.
Applications
- Designed for mounting in cases or enclosures that are a part of the equipment on which they are installed
- Designed to cover a broad range of general purpose operating temperature control appplications in the refrigeration, air conditioning and heating fields
Product Selection
- A28GA - Two SPDT Switches, Standard Differential
- A28GJ - Two SPDT Switches, Close Differential
Literature
- Product Bulletin ... LIT-125125
Technical Specifications
Two Stage Temperature Controls Less Enclosure
