HK42FZ016 325878-751 CONTROL BOARD, 446-042
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U.S. Duties/Taxes, if applicable, may be due at time of delivery.
Pickup available at 75 Blue Mountain St #3
Usually ready in 24 hours
Not sure this fits your furnace? Call us — we're happy to help
This high-performance modulating ignition control board is a critical component for maintaining the efficiency and reliability of modern heating systems. Designed to manage the complex ignition sequence and regulate fuel flow through advanced modulation, this circuit board ensures precise temperature control and optimal energy usage in high-efficiency furnaces. It acts as the central brain of the HVAC unit, coordinating the communication between safety sensors, the blower motor, and the gas valve. If your heating system is experiencing intermittent startup issues, failure to maintain flame, or diagnostic error codes, replacing the control module can restore consistent performance and prevent further system downtime. Built with durable electronic components, this board is engineered to withstand the thermal demands of residential and commercial heating applications.
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 446-042 is a genuine OEM, or a factory replacement manufacturer approved part. We source all Control Boards from authorized distributors to ensure exact-fit compatibility. 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 (446-042) 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 446-042 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 446-042 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.
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