1-778-759-9864
Canada (CAD $) flagCanada (CAD $)
BCFurnace
Low Pressure Switch 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

Low Pressure Switch Air Pressure Switch, Air Proving

BCFURNACE

040-428

CA$183.75

+5% Tax • Shipping calculated at checkout.

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

Name

Low Pressure Switch

1units available

Pickup available at 75 Blue Mountain St #3

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

Ensure the safety and efficiency of your HVAC system with this high-performance Low Pressure Switch. Designed as a critical air proving component, this switch monitors the pressure levels within your heating and cooling equipment to verify proper airflow and inducer operation. It acts as a vital safety cutout, preventing the system from functioning if dangerous or inefficient pressure conditions are detected. This replacement air pressure switch is crafted for durability and precision, making it an ideal choice for maintaining rooftop units and commercial air conditioning systems. Whether you are troubleshooting a furnace that won't ignite or a cooling system that isn't cycling correctly, this reliable pressure sensor helps restore optimal performance and protects your equipment from potential damage.

Specifications

Type
Air Pressure Switch
Size
Small
Application
Commonly used in commercial HVAC systems, rooftop units, and residential furnaces to prove airflow and monitor low-pressure conditions for safety compliance.
Specifications
Diaphragm-actuated, air-proving safety sensor, low-pressure threshold monitoring.

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 040-428 a genuine OEM part?
Yes, the 040-428 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 040-428 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (040-428) 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 040-428 shipped?
Most Air Pressure Switches including the 040-428 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 040-428 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 040-428 is in stock before visiting.

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