1-778-759-9864
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BCFURNACE

121-571

$240.00

+5% Tax Shipping calculated at checkout.

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

Name

CONTROL-BOX,SMALL

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 ignition modulating control board is a vital electronic component designed to regulate the startup and operational cycles of modern heating and cooling systems. As the central intelligence for your HVAC unit, this small-form-factor control box manages ignition sequences and modulates power levels to maintain consistent temperatures and maximize energy efficiency. Ideal for repairing furnaces or air handlers showing signs of electrical failure or ignition issues, this durable circuit board ensures precise timing and reliable communication between thermostat commands and mechanical components. Replacing a faulty control module helps prevent system downtime and restores the safety and comfort of your indoor environment.

Specifications

Type
Ignition Modulating Control Board
Size
Small
Application
Primary control system for central air conditioning units, modulating furnaces, and high-efficiency air handlers.
Specifications
Integrated circuit architecture, modulating ignition logic, multi-stage heating/cooling compatibility, and safety circuit monitoring.

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 121-571 a genuine OEM part?
Yes, the 121-571 is a genuine OEM replacement part manufactured by BCFurnace. We source all Control Boards from authorized distributors to ensure exact-fit compatibility. This Control Boards 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 121-571 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (121-571) 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 Control Boards 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 121-571 shipped?
Most Control Boards including the 121-571 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 121-571 at your store?
Yes! Local pickup is available at our Coquitlam, BC location: 75 Blue Mountain St #3. Control Boards orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 121-571 is in stock before visiting.

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