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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-capacity 1-inch gas regulator is engineered for precision pressure management in residential and commercial gas systems. Designed for 2 PSI piping systems, it effectively steps down gas pressure to a stable output range of 7" to 11" water column, ensuring your appliances receive the consistent fuel flow necessary for optimal performance and safety. Featuring an integrated restrictor for enhanced flow control, this regulator is essential for maintaining the efficiency of high-demand gas appliances like ranges, furnaces, and water heaters. Whether you are troubleshooting fluctuating gas pressure or performing a new installation, this heavy-duty gas control valve provides the reliable regulation needed to prevent flame instability and premature component wear.
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 427-203 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 (427-203) 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 427-203 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 427-203 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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