BCFURNACE
762-073
+5% Tax • Shipping calculated at checkout.
U.S. Duties/Taxes, if applicable, may be due at time of delivery.
DISC LIMIT SWITCH AUTO RESET L140-30F
Pickup available at 75 Blue Mountain St #3
Usually ready in 24 hours

DISC LIMIT SWITCH AUTO RESET L140-30F Fan Disc, High Limit Control Switches
+5% Tax • Shipping calculated at checkout.
U.S. Duties/Taxes, if applicable, may be due at time of delivery.
Pickup available at 75 Blue Mountain St #3
Usually ready in 24 hours
The L140-30F Disc Limit Switch is a critical safety component designed for residential heating systems and furnaces. This high-limit control switch monitors the internal temperature of your HVAC equipment, acting as a thermal cutout to prevent overheating. When the temperature reaches its 140-degree Fahrenheit threshold, the switch opens the circuit to shut down the heating element or burner, protecting the appliance from damage. Once the unit cools down by the 30-degree differential, the auto-reset feature restores the connection, allowing for normal operation. This durable fan disc thermostat is a common replacement part for furnaces that are cycling improperly or failing to maintain safe operating temperatures.
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