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Furnace Parts DIY
Carrier Fan Limit Control 040-820 replacement part for Carrier furnaces

Furnace Parts DIY

040-820 Limit Switch, Opens 195F

$88.00

+5% Tax • Shipping calculated at checkout.

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

Low stock — only 1 left

Pickup available at 75 Blue Mountain St #3, Coquitlam

Usually ready in 24 hours

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

Product Details

Description

This 195°F High Limit Control Switch is a critical safety component designed for HVAC systems, furnaces, and air handlers. Known as a fan disc limit switch, this part acts as a thermal safeguard by automatically opening the electrical circuit when internal temperatures reach 195 degrees Fahrenheit. Replacing a tripped or faulty limit switch is essential for maintaining safe furnace operation and preventing equipment damage caused by overheating. This high-quality replacement part ensures your heating system operates within safe temperature parameters, providing reliable protection during peak heating seasons. Ideal for both professional HVAC technicians and DIY home repairs, it offers accurate temperature monitoring and long-lasting durability in demanding environments.

Specifications

Type
Fan Disc High Limit Control Switch
Size
Standard small disc
Application
Used in forced-air furnaces, residential HVAC systems, and air handlers to monitor heat exchanger temperatures and prevent overheating.
Specifications
Opening Temperature: 195°F; Switch Configuration: Normally Closed (opens on temperature rise); Reset Type: Automatic; Sensor Type: Bimetal Fan Disc.

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–5PM PT · Or email parts@bcfurnace.com

Common questions

Is the 040-820 Limit Switch, Opens 195F a genuine Carrier part?

Yes. The 040-820 is a genuine Carrier OEM part, sourced from an authorized Carrier parts distributor. This Fan Limit Control 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 040-820 is compatible with my furnace?

The easiest way is to match the part number (040-820) with your furnace model number. Visit the homepage and enter your model number in the search bar — our system will show all compatible Fan Limit Controls 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 040-820 shipped?

Most Fan Limit Controls including the 040-820 ship within 1–2 business days from our warehouse. We ship across Canada and the United States, and worldwide, with tracking on every order. For urgent furnace repairs, contact us at 1-778-759-9864 for expedited shipping options.

Can I pick up the 040-820 at your store?

Yes! Local pickup is available at our Coquitlam, BC location: 75 Blue Mountain St #3. Fan Limit Controls orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 040-820 is in stock before visiting.

Still not sure this is the right part? Call 1-778-759-9864 and we will check your model number with you.

Where usedFits 183 furnace models