1-778-759-9864
Canada (CAD $) flagCanada (CAD $)
BCFurnace
3" FAN CONTROL SWITCH ADJUSTABLE L120-L80 3 High Limit Control Switches furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

3" FAN CONTROL SWITCH ADJUSTABLE L120-L80 3 High Limit Control Switches

BCFURNACE

543-505

CA$68.34

+5% Tax • Shipping calculated at checkout.

U.S. Duties/Taxes, if applicable, may be due at time of delivery.

Name

3" FAN CONTROL SWITCH ADJUSTABLE L120-L80

1units available

Pickup available at 75 Blue Mountain St #3

Usually ready in 24 hours

Secure Payment
Fast Delivery
Local Pickup

Product Details

Description

This professional-grade 3-inch adjustable fan control switch is a vital safety and performance component for residential and commercial heating systems. Engineered to regulate blower motor activity, this high-limit control ensures that your furnace fan operates at optimal temperature intervals, enhancing energy efficiency and preventing equipment overheating. By sensing the air temperature within the plenum, the switch automatically cycles the fan on and off, ensuring consistent heat distribution and protecting the system from thermal stress. Ideal for furnace repair and HVAC maintenance, this adjustable limit switch provides a reliable solution for maintaining a safe and comfortable indoor environment.

Specifications

Type
High Limit Fan Control Switch
Size
3-inch probe
Dimensions
3 in
Application
Commonly used in gas-fired and oil-fired forced air furnaces, HVAC heating systems, and warm air units to control the blower fan and provide high-temperature safety protection.
Specifications
Adjustable temperature range, 3-inch insertion depth, thermally actuated, designed for high-limit and fan control applications.

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Frequently Asked Questions

Is the 543-505 a genuine OEM part?
Yes, the 543-505 is a genuine OEM replacement part manufactured by BCFurnace. We source all 3 Limit Switches from authorized distributors to ensure exact-fit compatibility. This 3 Limit Switches is backed by our 100% compatibility guarantee — if it doesn't fit your furnace, we'll make it right.
How do I know if the 543-505 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (543-505) with your furnace model number. Visit the BCFurnace page on our site and enter your model number in the search bar — our system will show all compatible 3 Limit Switches for your specific unit. You can also call our technicians at 1-778-759-9864 for free compatibility verification.
How fast can I get the 543-505 shipped?
Most 3 Limit Switches including the 543-505 ship within 1–2 business days from our warehouse. We ship across Canada and the United States with tracking on every order. For urgent BCFurnace repairs, contact us at 1-778-759-9864 for expedited shipping options.
Can I pick up the 543-505 at your store?
Yes! Local pickup is available at our Coquitlam, BC location: 75 Blue Mountain St #3. 3 Limit Switches orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 543-505 is in stock before visiting.

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