White-Rodgers 1609-103 Control

The White-Rodgers 1609-103 is a heavy-duty remote bulb temperature control designed for precise refrigeration temperature control in demanding commercial and industrial environments. This mechanical temperature controller features a 10-foot capillary and a hydraulic action element, ensuring accurate sensing and rapid response to thermal shifts across a wide operating range of -30°F to 90°F. Engineered for reliability, the SPST switch is rated for close on rise action, making it an ideal solution for cycling compressors or controlling solenoid refrigerant valves without the necessity of additional relays or motor starters in most applications. The unit is housed in a dustproof steel case with versatile top and bottom knockouts for clean, professional wiring on the job site. With an adjustable differential from 3.5°F to 40°F, technicians can fine-tune the 1609-103 to prevent short-cycling and maintain stable temperatures in walk-in coolers, beverage dispensers, and various zoning systems.

• Universal Application Range: Operates effectively from -30°F to 90°F (-34°C to 32°C), covering both low-temp refrigeration and standard cooling needs.
• High Electrical Capacity: Rated for up to 16.0 FLA at 120 VAC and 8.0 FLA at 240 VAC, handling high-load equipment directly to save on installation costs.
• Flexible Installation: The 10' capillary allows for remote mounting away from the evaporator, while the 5-1/4" x 3/8" bulb provides ample surface area for accurate sensing.
• Field Durability: Rugged steel enclosure protects sensitive internal components from job site debris and environmental factors.
• Intuitive Calibration: Dial graduated in both Fahrenheit and Celsius is easily accessible through the cover for quick field adjustments.

Is the 1609-103 suitable for walk-in freezer applications?
Yes, the wide temperature range down to -30°F makes this control a standard choice for walk-in freezers and other low-temperature commercial refrigeration units.

Does this unit open or close when the temperature increases?
This specific model features close-on-rise switch action, meaning it completes the circuit to start cooling or fan systems as the detected temperature climbs above the setpoint.

Can I use this control for heating applications?
The 1609-103 is primarily designed for refrigeration; since it is close-on-rise, it would not be suitable for standard heating where close-on-fall action is required, unless used in a logic circuit with a reversing relay.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.