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BCFurnace
3" HIGH LIMIT SWITCH L250-40F 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 L250-40F 3 High Limit Control Switches

BCFURNACE

543-250

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 L250-40F

5units available

Pickup available at 75 Blue Mountain St #3

Usually ready in 24 hours

Secure Payment
Fast Delivery
Local Pickup

Product Details

Description

This high-limit safety control is a precision-engineered thermal switch designed to monitor and regulate internal temperatures within heating equipment. It serves as a critical safety device that interrupts the electrical circuit if temperatures exceed a predetermined safe threshold, preventing overheating and potential damage to system components. The switch is designed to automatically reset once the temperature has cooled by a specific differential, ensuring continuous protection without manual intervention.

Specifications

Type
High Limit Safety Control Switch
Size
3-inch insertion depth
Dimensions
3 inches
Application
Commonly used in residential and commercial forced-air furnaces, air handlers, and HVAC systems to protect heat exchangers and internal assemblies from overheating.
Specifications
Cut-out temperature: 250°F; Reset differential: 40°F; Automatic reset configuration; Single-pole single-throw (SPST) circuitry.

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Frequently Asked Questions

Is the 543-250 a genuine OEM part?
Yes, the 543-250 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 543-250 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (543-250) 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 543-250 shipped?
Most 3 Limit Switches including the 543-250 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 543-250 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 543-250 is in stock before visiting.

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