Description
The Lennox 49L87 is an automatic limit switch designed to protect furnace and heating systems from overheating by shutting down burner operation when temperatures exceed safe thresholds. With a 200–230°F operating range and a 3-inch insert configuration, this OEM replacement part is engineered to deliver precise, dependable thermal cutout performance in Lennox heating equipment.
Key Features
- Auto-reset limit switch for automatic restoration after temperature normalizes
- Operating temperature range: 200–230°F
- 3-inch insert mount for secure installation in furnace heat exchanger or plenum
- OEM Lennox replacement part (SKU: 49L87)
- Protects heating equipment from thermal overload and overheating damage
- Designed for compatibility with Lennox furnace systems
Application
The Lennox 49L87 auto limit switch is a direct OEM replacement for Lennox furnaces requiring a 200–230°F limit control with a 3-inch insert. It monitors supply air or heat exchanger temperatures and interrupts the burner circuit when temperatures rise above the set point, safeguarding both the equipment and occupants. Ideal for HVAC technicians and contractors performing routine maintenance or emergency repairs on Lennox heating systems.
Specifications
- Brand: Lennox
- Part Number: 49L87
- Type: Automatic Limit Switch
- Temperature Range: 200–230°F
- Insert Length: 3 inches
- Reset Type: Automatic (Auto)
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