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BCFurnace
LENNOX PRESSURE SWITCH -0.68" 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 -0.68" WC Air Pressure Switch, Air Proving

BCFURNACE

773-141

CA$106.80

+5% Tax • Shipping calculated at checkout.

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

Name

LENNOX PRESSURE SWITCH -0.68" 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 high-quality replacement air pressure switch is a critical safety component for residential gas furnaces and heating systems. Specifically calibrated to a -0.68" WC (Water Column) set point, this air proving switch monitors the draft created by the inducer fan to ensure combustion gases are being safely exhausted from the heat exchanger. If the venting system is obstructed or the motor fails to move enough air, this switch prevents the ignition cycle from starting, protecting your home from potential hazards. Replacing a faulty or failing pressure switch can resolve common furnace issues such as failed ignition, frequent cycling, or error codes related to airflow. Designed for precision and reliability, this component is essential for maintaining the efficiency and safety of your HVAC equipment.

Specifications

Type
Air Pressure Switch
Size
Standard HVAC component
Application
Residential gas furnaces, forced-air heating systems, and HVAC inducer blower assemblies.
Specifications
Pressure Setting: -0.68" WC (Water Column); Function: Air Proving/Safety Interlock; Type: Negative Pressure Sensor.

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Frequently Asked Questions

Is the 773-141 a genuine OEM part?
Yes, the 773-141 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 773-141 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (773-141) 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 773-141 shipped?
Most Air Pressure Switches including the 773-141 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 773-141 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 773-141 is in stock before visiting.

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