Description
Lennox 56W23 L200-30F Limit Switch Overview
The Lennox 56W23 is a genuine OEM L200-30F limit switch engineered to protect Lennox furnaces from overheating conditions. As a critical safety component in your heating system, this limit switch monitors heat exchanger temperatures and automatically interrupts burner operation when temperatures exceed the rated threshold — preventing equipment damage, heat exchanger failure, and potential fire hazards.
Key Features
- Genuine Lennox OEM replacement part — ensures proper fit and function
- L200-30F designation indicates a 200°F open / 30°F differential limit switch
- Automatically shuts off burner upon detecting excessive heat exchanger temperatures
- Resets automatically once temperatures return to safe operating range
- Designed for direct drop-in replacement in compatible Lennox furnace models
- Durable construction for long-term reliability in residential and light commercial heating applications
Application
This limit switch is a direct OEM replacement for compatible Lennox furnace models. It is installed in the furnace heat exchanger plenum area and serves as the primary high-temperature safety cutout. Always verify compatibility with your specific Lennox furnace model number before installation.
Why Choose OEM Lennox Parts?
Using genuine Lennox replacement components ensures your system operates within factory-specified safety parameters, maintains equipment warranty compliance, and delivers the reliable performance your customers expect. The 56W23 L200-30F limit switch is the correct specification part to restore safe furnace operation quickly and confidently.
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