Lennox 203577 / 97J6701 Limit Switch Thermostat White Label L140-30F is a genuine OEM temperature safety control designed to protect HVAC systems from overheating. This limit switch thermostat features an L140-30F rating, ensuring accurate response to temperature changes by opening and closing the circuit at defined thresholds. Built to Lennox specifications, it provides reliable thermal protection, stable performance, and long-lasting durability, making it an essential component for safe system operation.
Key Features

• Genuine OEM Lennox part for exact compatibility
• White label limit switch thermostat for temperature control
• L140-30F rating for precise thermal response
• Helps prevent overheating and protect system components
• Provides reliable and consistent operation
• Durable construction for long service life
• Designed for direct replacement installation
  Specifications
• Brand: Lennox
• Part Numbers: 203577, 97J6701
• Product Type: Limit Switch / Thermostat
• Temperature Rating: L140-30F
• Label Type: White Label
• Function: Temperature safety control
• Application: HVAC heating systems
• Condition: New
  Compatible Models
• LGA156H-01
• LGA156H1Y
• LGA156H1S1Y
• LGA180H
• LGA180H-01
• LGA180H02898
• LGA180H1Y
• LGA180H2BS1Y
• and more.
  Why Choose This Item
  Lennox 203577 / 97J6701 Limit Switch Thermostat ensures safe, efficient, and reliable HVAC operation by providing accurate temperature protection. As a genuine OEM replacement, it delivers perfect fit, dependable performance, and long-term durability, helping prevent overheating issues and maintain system integrity