Cozy Heating Systems 74306 Limit Switch - L140-10F

The Cozy Heating Systems 74306 is an OEM replacement limit switch designed for Cozy brand furnaces and heating systems. This L140-10F model features a temperature range of 10°F to 140°F, providing critical overheat protection for residential heating equipment.

Safety Function:

This limit switch acts as an essential safety device that monitors furnace temperature during operation. Under normal conditions, the switch remains closed, allowing the furnace to operate properly. If the temperature exceeds the preset limit due to malfunction or airflow restriction, the switch automatically cuts power to the burner, preventing overheating and potential damage to the system.

Key Features:

• OEM replacement part manufactured by Cozy Heating Systems
• Temperature operating range: 10°F to 140°F
• Automatic reset functionality for safe operation
• Compatible with Cozy 90N30A gas-fired vented floor furnaces
• Also identified as model 60T11-L140
• Durable construction for long-term reliability

This limit switch is specifically designed as a replacement control for Cozy heating equipment. Installation of genuine OEM parts ensures proper fit, function, and maintains manufacturer warranty compliance. Two switches may be required for some furnace models.