LENNOX LIMIT SWITCH, AUTO RESET, L140-40F Fan Disc, High Limit Control Switches
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Pickup available at 75 Blue Mountain St #3
Usually ready in 24 hours
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Ensure the safety and efficiency of your HVAC system with this high-quality auto-reset limit switch. Designed as a critical safety component for furnaces and air handlers, this high-limit control switch monitors internal temperatures to prevent overheating. It features a fan disc design that automatically interrupts the electrical circuit if the temperature exceeds a safe threshold, then restores power once the system cools to a safe level. Ideal for repairing short-cycling heating units or systems that fail to stay on, this switch provides reliable thermal protection for electric heat kits and residential heating equipment. Its robust construction ensures long-lasting performance, helping to maintain optimal airflow and prevent component damage in your heating system.
Our team is happy to help you verify compatibility before you order. We'll confirm it fits your specific furnace model.
1-778-759-9864Mon–Sat 8AM–9PM PST · Or email parts@bcfurnace.com
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