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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
This high-performance 1/2" x 1/2" Smart Gas Valve is a critical replacement component for modern two-stage residential furnaces and heating systems. Engineered for precision and safety, this 2-stage gas control valve allows your HVAC equipment to operate at multiple output levels, optimizing energy efficiency and indoor comfort by modulating gas flow between low and high heat settings. Featuring integrated smart technology for electronic ignition control, this valve manages the pilot gas flow and main burner regulation to ensure reliable startup and consistent operation. Designed with a standard opening characteristic, it provides a dependable solution for repairing malfunctioning gas-fired appliances and maintaining optimal heating performance throughout the winter months.
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
The 427-021 is a replacement part. Match your furnace model number on our site to confirm the fit. This Gas Control 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 (427-021) with your furnace model number. Visit the homepage and enter your model number in the search bar — our system will show all compatible Gas Controls for your specific unit. You can also call our technicians at 1-778-759-9864 for free compatibility verification.
Most Gas Controls including the 427-021 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. Gas Controls orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 427-021 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.
31 more not shown. Check your own model number above.
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