1-778-759-9864
Canada (CAD $) flagCanada (CAD $)
BCFurnace

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BCFURNACE

121-707

CA$72.21

+5% Tax • Shipping calculated at checkout.

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

Name

SWITCH,LIMIT

1units available

Pickup available at 75 Blue Mountain St #3

Usually ready in 24 hours

Secure Payment
Fast Delivery
Local Pickup

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

Product Details

Description

This premium HVAC limit control switch is an essential safety component for forced-air heating systems. Designed as a fan disc high-limit sensor, it monitors the internal temperature of your furnace or heater to prevent overheating. When temperatures surpass safe operating thresholds, the switch triggers to interrupt the heating cycle, protecting the heat exchanger and ensuring the safety of the appliance. This replacement part is ideal for HVAC maintenance and repair, offering a snap-action thermal response for accurate temperature regulation and long-term durability in high-heat environments. It is a critical component for ensuring the safe and efficient operation of residential or commercial heating units.

Specifications

Type
Fan Disc High Limit Control Switch
Size
Standard Small
Application
Forced-air furnaces, HVAC systems, and heating units requiring thermal safety cut-off or fan cycle control.
Specifications
Thermal snap-action disc, automatic reset, high-temperature safety threshold, heat-resistant housing.

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 121-707 a genuine OEM part?
Yes, the 121-707 is a genuine OEM replacement part manufactured by BCFurnace. We source all Fan Limit Controls from authorized distributors to ensure exact-fit compatibility. This Fan Limit Controls 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 121-707 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (121-707) 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 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 121-707 shipped?
Most Fan Limit Controls including the 121-707 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 121-707 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 121-707 is in stock before visiting.

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