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Furnace Parts DIY
Honeywell Gas Control 427-042 replacement part for Lennox furnaces

Furnace Parts DIY

427-042

$845.00

+5% Tax • Shipping calculated at checkout.

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

Name

1/2" X 1/2" GAS VALVE 2 STAGE HONEYWELL (STANDARD / FAST OPENING)

Low stock — only 1 left

Pickup available at 75 Blue Mountain St #3, Coquitlam

Usually ready in 24 hours

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

Product Details

Description

This premium 1/2-inch x 1/2-inch Two-Stage Gas Valve is an essential component for high-efficiency residential and commercial gas furnaces. Designed with a fast-opening mechanism, it ensures quick and reliable ignition for your heating system. The dual-stage functionality allows for precise control of gas flow, enabling your furnace to operate at multiple firing rates to maximize energy efficiency and maintain consistent indoor comfort. This gas control valve acts as a critical regulator, ensuring the safe and steady delivery of fuel to the burner assembly. Ideal for HVAC repair and maintenance, this durable valve is built to withstand the rigors of continuous heating cycles, making it a reliable choice for restoring the performance of your central heating unit or furnace.

Specifications

Type
Gas Control Valve
Size
1/2 inch
Application
Used in gas-fired heating systems, including residential furnaces and commercial boilers requiring two-stage gas regulation.
Specifications
2-Stage operation, Fast-opening solenoid, 1/2" NPT inlet and outlet, high-efficiency heat regulation.

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 427-042?

The 427-042 is made by Honeywell. 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 427-042 is compatible with my furnace?

The easiest way is to match the part number (427-042) 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 427-042 shipped?

Most Gas Controls including the 427-042 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.

Can I pick up the 427-042 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 427-042 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.

Where usedFits 402 furnace models

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