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The Lennox 15M42 is a manual reset SPST rollout switch designed to prevent overheating in HVAC systems. It interrupts power to the burner when temperatures exceed safe limits, ensuring reliable and safe operation.
Essential for maintaining the safety and efficiency of HVAC systems, this switch is a genuine OEM part, guaranteeing compatibility and performance.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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