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BCFurnace
3" HIGH LIMIT SWITCH L220-40F 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" HIGH LIMIT SWITCH L220-40F 3 High Limit Control Switches

BCFURNACE

543-220

CA$68.83

+5% Tax • Shipping calculated at checkout.

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

Name

3" HIGH LIMIT SWITCH L220-40F

7units available

Pickup available at 75 Blue Mountain St #3

Usually ready in 24 hours

Secure Payment
Fast Delivery
Local Pickup

Product Details

Description

Ensure the safety and efficiency of your forced-air heating system with this premium 3-inch high limit switch. Designed as a critical safety component for residential furnaces and HVAC units, this thermal limit control prevents the heat exchanger from overheating by automatically interrupting power if internal temperatures exceed safe operating limits. It features a specific 'Open on Rise' temperature threshold to provide reliable protection against restricted airflow, clogged filters, or blower motor failure. Whether you are performing routine maintenance or repairing a malfunctioning heating system, this durable sensor is essential for maintaining optimal indoor climate control and protecting your appliance from potential heat damage.

Specifications

Type
High Limit Control Switch
Size
3-inch probe
Dimensions
3 in
Application
Gas furnaces, electric furnaces, and forced-air heating systems.
Specifications
Cut-out Temperature: 220°F; Differential: 40°F; Configuration: Normally Closed (NC); Function: Opens on temperature rise to prevent overheating.

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Frequently Asked Questions

Is the 543-220 a genuine OEM part?
Yes, the 543-220 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 543-220 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (543-220) 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 543-220 shipped?
Most 3 Limit Switches including the 543-220 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 543-220 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 543-220 is in stock before visiting.

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