Description
The Lennox 25M60 is a manual reset rollout switch engineered to protect furnaces from the hazards of flame rollout. When burner flames extend beyond their intended path — a condition that can cause heat exchanger damage, carbon monoxide risks, and potential fire — this switch acts as a critical safety barrier by cutting power to the burner circuit.
How It Works
The 25M60 monitors the temperature near the burner compartment. When heat from a rollout condition reaches the 210°F trip point, the SPST (Single-Pole, Single-Throw) switch opens the circuit and shuts down burner operation. Because this is a manual reset device, the switch must be physically reset by a qualified technician after the root cause of the rollout has been identified and corrected — preventing the system from cycling back on until it is safe to do so.
Key Features
- 210°F trip temperature for precise, reliable rollout detection
- Manual reset operation — requires technician intervention before restart
- SPST (Single-Pole, Single-Throw) circuit configuration
- Direct OEM replacement for compatible Lennox furnace models
- Helps protect heat exchangers, flue passages, and surrounding components
- Supports safe system shutdown in the event of blocked flue, cracked heat exchanger, or dirty burners
Application
The Lennox 25M60 rollout switch is a genuine OEM replacement part designed for use in Lennox furnaces and air handlers. It is typically mounted near the burner assembly and is an essential component of the furnace’s safety circuit. Always verify compatibility with your specific unit model before installation.
Specifications
- Brand: Lennox
- Part Number: 25M60
- Trip Temperature: 210°F
- Reset Type: Manual Reset
- Switch Type: SPST (Single-Pole, Single-Throw)
- Function: Rollout Switch / Flame Rollout Safety Switch
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