Ranco 9531N403-070U Temperature Control

The Ranco 9531N403-070U is a heavy-duty commercial refrigeration temperature control designed for precise thermal regulation in demanding HVACR environments. This mechanical thermostat features a specialized 15°F to 37°F range, making it a critical component for walk-in coolers, beverage dispensers, and reach-in refrigeration units requiring tight tolerances. Equipped with a 35.5-inch capillary tube, this control offers maximum installation flexibility, allowing for accurate remote sensing even in hard-to-reach evaporator configurations.

Built for long-term reliability on the job site, the 9531N403-070U utilizes a robust SPST switch mechanism that ensures positive make-and-break cycles. This Ranco cold control is engineered to withstand the vibration and cycling common in industrial cooling systems, helping contractors maintain optimal food safety temperatures and energy efficiency. Whether you are performing a Ranco thermostat replacement or a new system integration, this control provides the mechanical precision veteran technicians expect for high-stakes cold storage applications.

• Precise Temperature Range: Calibrated for 15°F to 37°F, ideal for medium-temp refrigeration and beer/beverage cooling systems.
• Extended Capillary Length: The 35.5-inch sensing lead provides versatile mounting options across various cabinet sizes.
• Industrial-Grade Contacts: High-performance refrigeration temperature control designed to prevent contact pitting and ensure consistent operation.
• Direct OEM Replacement: Streamlines service calls by fitting standard mounting footprints in commercial refrigerators and freezers.

What is the differential for this Ranco control?
This model is designed with a fixed or adjustable mechanical differential (depending on the specific series configuration) to maintain narrow temperature swings and prevent short-cycling of the compressor.

Can the 9531N403-070U be used in high-ambient environments?
Yes, while the sensing bulb must remain in the refrigerated space, the control body is constructed to perform reliably within standard commercial kitchen ambient conditions.

Does this control include an "OFF" position?
Most 9531 series Ranco controls feature an integrated "OFF" position on the adjustment dial, allowing technicians to manually de-energize the cooling circuit during maintenance or defrosting.

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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.