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Furnace Parts DIY
SIT Gas Control 427-109 furnace replacement part

Furnace Parts DIY

427-109

$361.00

+5% Tax • Shipping calculated at checkout.

U.S. Duties/Taxes, if applicable, may be due at time of delivery.

Name

3.5" SIT NATURAL GAS VALVE NO TURNDOWN

Low stock — only 1 left

Pickup available at 75 Blue Mountain St #3, Coquitlam

Usually ready in 24 hours

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Local Pickup

Not sure this fits your furnace? Call us — we're happy to help

Product Details

Description

This professional-grade SIT Natural Gas Valve is a high-quality replacement component designed for precision gas flow regulation in heating appliances. Engineered for reliability, this gas control valve operates at a standard 3.5" Water Column (W.C.) pressure, ensuring a consistent and safe supply of natural gas to the burner assembly. The 'no turndown' design is ideal for appliances requiring a fixed output, making it a crucial part for maintaining optimal performance in gas-fired units. As a vital safety and operational element, it manages the pilot and main gas flow, providing peace of mind and efficient heating. Its durable construction is characteristic of SIT engineering, offering a dependable solution for various residential and commercial gas heating systems.

Specifications

Type
Gas Control Valve
Size
Standard 3.5" W.C. Regulator
Application
Commonly used in natural gas fireplaces, gas stoves, wall heaters, and other gas-fired heating equipment that utilizes a SIT control system.
Specifications
Fuel Type: Natural Gas (NG); Outlet Pressure: 3.5" W.C.; Configuration: No Turndown; Brand: SIT.

Not sure this is the right part?

Our team is happy to help you verify compatibility before you order. We'll confirm it fits your specific furnace model.

1-778-759-9864

Mon–Sat 8AM–5PM PT · Or email parts@bcfurnace.com

Common questions

Who makes the 427-109?

The 427-109 is made by SIT. It replaces the original part in compatible furnaces; check your model number 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.

How do I know if the 427-109 is compatible with my furnace?

The easiest way is to match the part number (427-109) 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.

How fast can I get the 427-109 shipped?

Most Gas Controls including the 427-109 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.

Can I pick up the 427-109 at your store?

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 427-109 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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