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White rectangular HVAC control box with capillary tube and remote bulb sensor

Ranco

Ranco O10-1410 Fridge/Freezer HVAC Control SPST 25 to 75F

SKU CH-WRJE-VW9GC

SPST temperature control for fridges and freezers with a 25 to 75°F range and 72‑inch capillary bulb

  • Wide 25 to 75F range suits fridge and freezer
  • SPST contact handles 24A full-load and 144A locked rotor
  • 72in capillary with remote bulb gives flexible mounting
  • Automatic reset restores operation without manual intervention
  • UL listed for safety compliance

HVAC temperature control for refrigeration

The Ranco O10-1410 is a single-pole single-throw thermostat designed for fridge and freezer applications. It manages temperatures between 25 and 75 degrees Fahrenheit using a remote bulb connected by a 72-inch capillary. The control suits commercial or residential refrigeration systems that require a straightforward on-off switch.

Electrical ratings and automatic reset

Full-load current is rated at 24 amps with locked-rotor amps of 144, while pilot-duty contacts handle 720 VA. An automatic reset returns the unit to operation after a trip without manual intervention. Seven adjustment screws are included for calibration during installation.

Replaces mechanical cold controls in existing units

This control upgrades older mechanical thermostats that lack a remote sensing bulb or have a narrower temperature range. The jump is worth it when the current device cannot reach 25 degrees Fahrenheit or when a 72-inch capillary is needed for flexible bulb placement. Builders needing multi-stage or digital programmable logic should look elsewhere.

Highlights

  • Wide 25 to 75F range suits fridge and freezer
  • SPST contact handles 24A full-load and 144A locked rotor
  • 72in capillary with remote bulb gives flexible mounting
  • Automatic reset restores operation without manual intervention
  • UL listed for safety compliance

Specifications

BrandRANCO

Questions about this item

How do I mount the 72 in capillary with its 3/8 in diameter bulb on my fridge or freezer?

Route the 72 in capillary without sharp bends, insert the 3/8 in bulb into the evaporator coil or air stream, secure it with the supplied clips, then set the dial between 25 and 75 Degrees F; the step most people miss is over-tightening the bulb clamp and kinking the capillary.

Which parts of the Ranco O10-1410 will need replacement first?

The 3/8 in remote bulb and 72 in capillary can fatigue from vibration or corrosion, and the SPST contacts rated for 24 A full load and 144 A locked rotor may eventually weld after heavy compressor cycling.

At what point does the automatic-reset SPST contact limit continuous operation?

The contacts are rated for 24 A full load and 720 VA pilot duty; sustained current above 24 A or repeated 144 A locked-rotor starts will cause the automatic reset to cycle and is the first limit reached.

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