1-778-759-9864
United States (USD $) flagUnited States (USD $)
BCFurnace

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BCFURNACE

121-455

$622.00

+5% Tax • Shipping calculated at checkout.

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

Name

CONTROL BOARD, SPARK,TWO STAGE HT,-40/+1

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 advanced Two-Stage Ignition Modulating Control Board is a high-performance solution for managing the heating cycles of modern HVAC systems. Designed to coordinate spark ignition and fuel modulation, this circuit board ensures your furnace or heating unit operates with maximum efficiency by precisely controlling the transition between heating stages. It functions as the central nervous system of your appliance, monitoring safety sensors while regulating the gas valve and blower motor to maintain consistent indoor temperatures. Built to withstand extreme environmental conditions, this board is an essential replacement for restoring reliable ignition and optimizing energy consumption in multi-stage heating equipment. It is ideal for homeowners and technicians looking to repair ignition failures or system communication errors in high-efficiency residential and commercial heating units.

Specifications

Type
Ignition Control Board
Size
Standard
Application
Compatible with two-stage gas furnaces, HVAC heating systems, and modulating air handlers requiring spark ignition control.
Specifications
Two-stage heating support, spark ignition modulation, wide operating temperature range (rated for -40°F starting), integrated circuit protection, and multi-pin terminal connections.

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 121-455 a genuine OEM part?
Yes, the 121-455 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 121-455 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (121-455) 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 121-455 shipped?
Most Control Boards including the 121-455 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 121-455 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 121-455 is in stock before visiting.

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