1-778-759-9864
Canada (CAD $) flagCanada (CAD $)
BCFurnace
LENNOX PRESSURE SW. Air Pressure Switch, Air Proving furnace part available in Vancouver, Burnaby, Port Moody, Langley, North Vancouver, Richmond, Maple Ridge, Delta, West Vancouver, New Westminster, Surrey, Coquitlam, Port Coquitlam, Pitt Meadows

LENNOX PRESSURE SW. Air Pressure Switch, Air Proving

BCFURNACE

773-317

CA$100.51

+5% Tax • Shipping calculated at checkout.

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

Name

LENNOX PRESSURE SW.

2units available

Pickup available at 75 Blue Mountain St #3

Usually ready in 24 hours

Secure Payment
Fast Delivery
Local Pickup

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

Product Details

Description

Ensure your heating system operates safely and efficiently with this high-quality Air Pressure Switch. Designed as a critical safety component for residential gas furnaces, this air proving switch monitors the draft pressure created by the inducer motor. By verifying that the combustion blower is operating correctly and the exhaust vent is unobstructed, it allows the ignition sequence to proceed. If your furnace is failing to ignite or cycling incorrectly, this reliable replacement part is essential for restoring consistent performance and maintaining home comfort. Crafted for precision and durability, it helps prevent hazardous conditions by ensuring proper airflow before the gas valve is permitted to open.

Specifications

Type
Air Pressure Switch / Air Proving Switch
Size
Standard
Application
Used in residential gas furnaces and HVAC heating systems to monitor inducer motor draft and ensure safe exhaust venting.
Specifications
Sensitive air pressure monitoring, integrated safety shut-off functionality, durable housing for high-temperature environments.

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–9PM PST · Or email parts@bcfurnace.com

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Frequently Asked Questions

Is the 773-317 a genuine OEM part?
Yes, the 773-317 is a genuine OEM replacement part manufactured by BCFurnace. We source all Air Pressure Switches from authorized distributors to ensure exact-fit compatibility. This Air Pressure Switches 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 773-317 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (773-317) with your furnace model number. Visit the BCFurnace page on our site and enter your model number in the search bar — our system will show all compatible Air Pressure Switches 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 773-317 shipped?
Most Air Pressure Switches including the 773-317 ship within 1–2 business days from our warehouse. We ship across Canada and the United States with tracking on every order. For urgent BCFurnace repairs, contact us at 1-778-759-9864 for expedited shipping options.
Can I pick up the 773-317 at your store?
Yes! Local pickup is available at our Coquitlam, BC location: 75 Blue Mountain St #3. Air Pressure Switches orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 773-317 is in stock before visiting.

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