BCFURNACE
446-086
+5% Tax • Shipping calculated at checkout.
U.S. Duties/Taxes, if applicable, may be due at time of delivery.
HONEYWELL PRESTIGE INTERFACE MODULE
Pickup available at 75 Blue Mountain St #3
Usually ready in 24 hours

HONEYWELL PRESTIGE INTERFACE MODULE Control Board, Circuit, Ignition Modulating
+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
Usually ready in 24 hours
The Honeywell Prestige Interface Module is a sophisticated control board designed to act as the communication bridge between advanced thermostats and your HVAC equipment. This equipment interface module (EIM) simplifies complex installations by allowing high-end climate control systems to communicate with furnaces, air conditioners, and heat pumps using fewer wires at the wall. It provides reliable management for multi-stage heating and cooling cycles while also coordinating indoor air quality components such as humidifiers, dehumidifiers, and ventilation systems. As a critical replacement circuit board for modulated HVAC setups, it ensures precise temperature regulation and energy efficiency. This module is essential for restoring full functionality to sophisticated residential or commercial environmental control systems that require a centralized hub for equipment relays.
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 446-086 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 (446-086) 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 446-086 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 446-086 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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