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BCFurnace
LENNOX PRESSURE SWITCH 0.47" WC 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 SWITCH 0.47" WC Air Pressure Switch, Air Proving

BCFURNACE

773-140

CA$445.28

+5% Tax • Shipping calculated at checkout.

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

Name

LENNOX PRESSURE SWITCH 0.47" WC

1units available

Pickup available at 75 Blue Mountain St #3

Usually ready in 24 hours

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Fast Delivery
Local Pickup

Product Details

Description

This premium furnace air pressure switch is a vital safety mechanism for residential heating systems. Specifically calibrated to a 0.47" WC (Water Column) set point, this air proving switch monitors the draft inducer motor's performance to ensure proper venting before the ignition cycle begins. If your HVAC system is cycling off prematurely or failing to ignite due to pressure detection errors, this replacement component is designed to restore reliable furnace operation. Engineered for precision and long-term durability, it acts as a critical fail-safe, preventing the burner from firing if dangerous venting conditions are detected. It is an essential part for maintaining the safety and efficiency of gas-fired forced-air furnaces.

Specifications

Type
Air Pressure Switch
Size
Small
Application
Used in gas-fired furnaces and residential HVAC systems to monitor combustion airflow and ensure safe venting conditions.
Specifications
0.47" WC (Water Column) trip point, air proving functionality, safety limit control.

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Frequently Asked Questions

Is the 773-140 a genuine OEM part?
Yes, the 773-140 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 773-140 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (773-140) 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 773-140 shipped?
Most Air Pressure Switches including the 773-140 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 773-140 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 773-140 is in stock before visiting.

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