Russell Coil 103079003 Heater Safety Switch 2-Wire Temperature Control

The Russell Coil 103079003 is a critical safety control component designed for electric defrost refrigeration systems. This heater safety switch is engineered to protect evaporator coil defrost heaters from overheating during the defrost cycle, ensuring safe and reliable operation of commercial walk-in coolers and freezers.

Key Features:

• 2-wire design for straightforward installation and wiring
• Opens at 75°F to shut off defrost heaters and prevent overheating
• Closes at 55°F to reset for the next defrost cycle
• Essential safety component for Russell electric defrost evaporator coils
• Compatible with Russell All-Temp, AE-Series, and ASL-Series unit coolers
• Genuine OEM replacement part ensures proper fit and function

This heater safety thermostat is a standard component on Russell electric defrost evaporator models and works in conjunction with the defrost termination fan delay (DTFD) thermostat to provide complete defrost cycle control. When installed on commercial refrigeration evaporators, it monitors coil temperature during electric defrost and automatically terminates power to the heaters if temperature exceeds safe limits. Suitable for applications in walk-in coolers, walk-in freezers, convenience stores, restaurants, food service facilities, and other commercial refrigeration installations operating between 34°F and -20°F.