1-778-759-9864
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BCFURNACE

121-931

$682.00

+5% Tax Shipping calculated at checkout.

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

Name

BOARD,CONTROL KIT,SIMPL,1A,Y1/Y2,4 STAGE

1units available

Pickup available at 75 Blue Mountain St #3

Usually ready in 24 hours

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Local Pickup

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

Product Details

Description

This high-performance HVAC control board kit is an essential replacement component for modern high-efficiency heating and cooling systems. As a modulating ignition control board, it acts as the primary logic controller, managing complex sequences including ignition, multi-stage heating cycles, and multi-speed blower operations. This board is specifically engineered to support 4-stage heating modulation and Y1/Y2 cooling signals, ensuring precise temperature regulation and optimized energy consumption. Ideal for troubleshooting furnace failures related to ignition lockout or erratic system behavior, this circuit board restores reliable communication between your thermostat and heating equipment.

Specifications

Type
HVAC Control Board
Application
Designed for use in high-efficiency residential and light commercial modulating furnaces and multi-stage air conditioning or heat pump systems.
Specifications
4-stage heating support, Y1 and Y2 dual-stage cooling terminals, integrated ignition modulation, and system diagnostic capabilities.

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 121-931 a genuine OEM part?
Yes, the 121-931 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 121-931 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (121-931) 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 121-931 shipped?
Most Control Boards including the 121-931 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 121-931 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 121-931 is in stock before visiting.

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