1-778-759-9864
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BCFurnace
3" HIGH LIMIT SWITCH L290-30F 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 L290-30F 3 High Limit Control Switches

BCFURNACE

543-053

$51.00

+5% Tax • Shipping calculated at checkout.

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

Name

3" HIGH LIMIT SWITCH L290-30F

1units available

Pickup available at 75 Blue Mountain St #3

Usually ready in 24 hours

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Fast Delivery
Local Pickup

Not sure this fits your furnace? Call us — we're happy to help

Product Details

Description

Ensure the safety and efficiency of your heating system with this premium 3-inch high limit switch. Designed as a critical safety sensor for residential furnaces and HVAC units, the L290-30F control prevents equipment damage by monitoring internal temperatures. This switch is engineered to automatically interrupt power to the gas valve or heating element if the system exceeds the preset 290°F safety threshold, effectively preventing overheating and potential fire hazards. Once the temperature cools by 30°F, the switch resets to allow for normal operation. If your heater is cycling on and off too frequently or has shut down due to high temperatures, this high limit control is the ideal replacement part to restore reliable performance and peace of mind.

Specifications

Type
High Limit Control Switch
Size
3-inch
Dimensions
3 in
Application
Commonly used in forced-air furnaces, HVAC heating systems, and central heating units to provide overheating protection and blower fan control.
Specifications
Cut-out temperature: 290°F; Differential/Reset: 30°F; 3-inch probe length; Automatic reset functionality.

Not sure this is the right part?

Our team is happy to help you verify compatibility before you order. We'll confirm it fits your specific furnace model.

1-778-759-9864

Mon–Sat 8AM–9PM PST · Or email parts@bcfurnace.com

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Frequently Asked Questions

Is the 543-053 a genuine OEM part?
Yes, the 543-053 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 543-053 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (543-053) 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 543-053 shipped?
Most 3 Limit Switches including the 543-053 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 543-053 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 543-053 is in stock before visiting.

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