1-778-759-9864
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BCFURNACE

121-158

$99.00

+5% Tax Shipping calculated at checkout.

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

Name

ARM,CONTROL

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

This high-performance Ignition Modulating Control Board serves as the central processing unit for your HVAC system's heating cycle. Designed to regulate the ignition process and manage modulating burner functions, this circuit board ensures your furnace or air handler operates with maximum energy efficiency and safety. If your heating system is experiencing ignition failure, inconsistent temperatures, or unresponsive controls, replacing the main control board can restore reliable performance. This solid-state module monitors safety switches and manages the sequence of operation, making it a critical component for maintaining a comfortable indoor climate. Engineered for durability, it provides precise electrical timing and diagnostic capabilities for residential and commercial forced-air systems.

Specifications

Type
Ignition Modulating Control Board
Size
Medium
Application
Used in forced-air furnaces, central heating units, and air handlers to manage ignition sequences and modulating heat output.
Specifications
Solid-state circuit design, integrated diagnostic LED support, modulating gas valve control compatibility, high-heat resistant mounting surface.

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 121-158 a genuine OEM part?
Yes, the 121-158 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 121-158 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (121-158) 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 121-158 shipped?
Most Control Boards including the 121-158 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 121-158 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 121-158 is in stock before visiting.

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