Description
The Lennox 94W50 is an OEM replacement limit switch engineered to protect furnaces and heating systems from dangerous overtemperature conditions. Designed for precise thermal cutoff performance, this limit switch opens the circuit at 270°F to shut down the burner when temperatures exceed safe operating thresholds, then automatically resets by closing at 240°F once the system has cooled to a safe level.
How It Works
Limit switches are critical safety devices in forced-air furnaces and heating equipment. When heat exchanger or plenum temperatures rise beyond the set open point, the limit switch interrupts the burner circuit, preventing equipment damage and potential fire hazards. Once temperatures drop back to the close point, the switch resets and normal operation resumes.
Key Specifications
- Brand: Lennox
- Part Number: 94W50
- Switch Type: Limit Switch
- Open (Trip) Temperature: 270°F
- Close (Reset) Temperature: 240°F
- OEM replacement for compatible Lennox heating equipment
Features & Benefits
- Genuine Lennox OEM part for assured fit and compatibility
- Protects heat exchangers and system components from overheating
- Automatic reset at 240°F for reliable, continuous operation
- Precise open/close temperature differential for consistent safety performance
- Direct replacement minimizes downtime during service calls
Application
Designed as a direct OEM replacement for compatible Lennox furnaces and heating systems requiring a limit switch with a 270°F open / 240°F close temperature rating. Always verify compatibility with your specific Lennox model before installation.
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