Russell Coil 08219273 Defrost Termination Switch SPST 2-Wire Timer Reset

The Russell Coil 08219273 is a genuine OEM defrost termination switch designed for commercial refrigeration evaporator coil units. This 2-wire, SPST (Single Pole Single Throw) bimetal thermostat switch automatically terminates the defrost cycle based on coil temperature, protecting the system from over-defrosting and ensuring reliable, consistent operation.

Key Features:

• Switch Type: SPST bimetal defrost termination thermostat with timer reset function
• Open Temperature: 30°F — switch opens to terminate defrost cycle
• Close Temperature: 60°F — switch closes when coil temperature drops back down
• Wiring: 2-wire configuration with black/blue leads
• Mounting: Tube-mount design for direct coil installation
• Genuine OEM: Direct replacement part for Russell commercial evaporator units, specifically all "AE" series models
• Cross-Reference: Supersedes legacy part numbers 103079010, 103079-2, 103079-3, 103079-9, and 103079-10

This defrost termination control is a critical component in commercial cooler and freezer evaporator systems. It ensures the defrost heater shuts off at the correct coil temperature, preventing ice buildup while protecting equipment from heat damage. Sold individually as a genuine Russell replacement part.