+5% Tax • Shipping calculated at checkout.
U.S. Duties/Taxes, if applicable, may be due at time of delivery.
Pickup available at 75 Blue Mountain St #3, Coquitlam
Usually ready in 24 hours
Not sure this fits your furnace? Call us — we're happy to help
Optimize your home's heating efficiency with this high-performance Armstrong ignition modulating control board. Designed for modern high-efficiency gas furnaces, this essential HVAC component acts as the primary circuit board, managing the complex ignition sequence and variable heat output for precise climate control. It features advanced logic to regulate blower motor timing and gas valve modulation, ensuring consistent indoor comfort and energy savings. Ideal for replacing a faulty furnace motherboard, this board helps resolve common issues such as ignition failure, short-cycling, or diagnostic error codes. Engineered for durability and reliability, this electronic control module provides the sophisticated regulation needed for advanced residential heating systems.
Our team is happy to help you verify compatibility before you order. We'll confirm it fits your specific furnace model.
1-778-759-9864Mon–Sat 8AM–5PM PT · Or email parts@bcfurnace.com
Compatible parts and related replacements
Yes. The 446-093 is a genuine Lennox OEM part, sourced from an authorized Lennox parts distributor. This Control Board is backed by our 100% compatibility guarantee — if it doesn't fit your furnace, we'll make it right.
The easiest way is to match the part number (446-093) with your furnace model number. Visit the homepage 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.
Most Control Boards including the 446-093 ship within 1–2 business days from our warehouse. We ship across Canada and the United States, and worldwide, with tracking on every order. For urgent furnace repairs, contact us at 1-778-759-9864 for expedited shipping options.
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 446-093 is in stock before visiting.
Still not sure this is the right part? Call 1-778-759-9864 and we will check your model number with you.
The model number is on the rating plate inside the furnace door.
235 more not shown. Check your own model number above.
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