1-778-759-9864
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BCFurnace
3" HIGH LIMIT SWITCH L165-30F 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 L165-30F 3 High Limit Control Switches

BCFURNACE

543-165

CA$78.57

+5% Tax • Shipping calculated at checkout.

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

Name

3" HIGH LIMIT SWITCH L165-30F

5units 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 residential heating system with this premium 3-inch high limit switch. Designed as a critical safety component for forced-air HVAC furnaces, this thermal limit control monitors internal temperatures to prevent the heat exchanger from overheating. The switch is engineered to automatically interrupt the heating circuit if the air temperature exceeds the pre-set safety threshold, protecting your equipment from damage and ensuring safe operation. Featuring an automatic reset function, this reliable replacement part is an essential component for routine furnace maintenance and repair, helping to restore proper airflow and heat regulation to your home heating system.

Specifications

Type
Furnace High Limit Safety Control
Size
3-inch probe depth
Dimensions
3 inches (insertion depth)
Application
Used in gas and electric residential furnaces, forced-air heating systems, and HVAC air handlers to prevent over-temperature conditions.
Specifications
Fixed temperature limit of 165°F with a 30°F reset differential; normally closed (NC) electrical configuration; automatic reset functionality.

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Frequently Asked Questions

Is the 543-165 a genuine OEM part?
Yes, the 543-165 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 543-165 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (543-165) 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 543-165 shipped?
Most 3 Limit Switches including the 543-165 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 543-165 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 543-165 is in stock before visiting.

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