BCFURNACE
762-529
+5% Tax • Shipping calculated at checkout.
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FAN SWITCH 3/4" DISC AUTO RESET F190-40F
Pickup available at 75 Blue Mountain St #3
Usually ready in 24 hours

FAN SWITCH 3/4" DISC AUTO RESET F190-40F 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
This 3/4" bimetal disc fan switch is a vital temperature-sensing component designed to regulate blower motor operation in heating systems. Engineered for reliability, this automatic reset switch monitors ambient heat levels to ensure the fan activates and deactivates at precise thermal intervals. It functions as a high-limit control, protecting your HVAC equipment or heating appliance from overheating while optimizing airflow efficiency. Whether you are performing routine maintenance or repairing a malfunctioning furnace, this durable disc switch provides essential thermal protection and system automation. Its universal 3/4-inch design makes it a common replacement part for various residential and commercial heating applications.
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