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BCFurnace
3" HIGH LIMIT SWITCH L190-20F 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 L190-20F 3 High Limit Control Switches

BCFURNACE

543-048

$52.00

+5% Tax • Shipping calculated at checkout.

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

Name

3" HIGH LIMIT SWITCH L190-20F

1units available

Pickup available at 75 Blue Mountain St #3

Usually ready in 24 hours

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Fast Delivery
Local Pickup

Product Details

Description

Ensure the safe and efficient operation of your heating system with this premium 3-inch high limit switch. Designed as a critical safety component for furnaces and air handlers, this thermal limit control monitors internal temperatures to prevent overheating. The L190-20F switch is engineered to automatically interrupt power to the heating element or gas valve if the temperature reaches a maximum threshold of 190°F, protecting your appliance from damage and ensuring home safety. With a 20°F differential reset, this switch provides reliable performance for residential and commercial HVAC units. It is an essential replacement part for restoring proper function to heating systems experiencing frequent cycling or safety cutouts.

Specifications

Type
High Limit Control Switch
Size
3 inch
Dimensions
3 in
Application
Used in gas furnaces, electric heating systems, and HVAC air handlers to monitor heat levels and prevent thermal damage.
Specifications
Cut-out temperature: 190°F; Cut-in/Differential: 20°F; Mounting style: Flange mount with 3-inch probe.

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Frequently Asked Questions

Is the 543-048 a genuine OEM part?
Yes, the 543-048 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 543-048 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (543-048) 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 543-048 shipped?
Most 3 Limit Switches including the 543-048 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 543-048 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 543-048 is in stock before visiting.

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