1-778-759-9864
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BCFurnace
High Pressure Switch, 660-505# 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

High Pressure Switch, 660-505# Air Pressure Switch, Air Proving

BCFURNACE

040-109

CA$89.67

+5% Tax • Shipping calculated at checkout.

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

Name

High Pressure Switch, 660-505#

1units available

Pickup available at 75 Blue Mountain St #3

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 high-performance High Pressure Switch, also known as an Air Proving Switch, is an essential safety device for HVAC and air handling systems. Designed to monitor internal air pressure, this switch ensures that your heating or cooling unit operates within safe parameters by detecting pressure changes and preventing system operation during hazardous conditions. A faulty pressure switch can lead to system lockouts, failure to start, or intermittent shutdowns. Replacing a worn-out sensor with this reliable air pressure switch helps maintain the efficiency and longevity of your equipment, protecting sensitive components like compressors from damage caused by high-pressure spikes or airflow obstructions.

Specifications

Type
Air Pressure Switch
Size
Standard HVAC Component
Application
Commonly used in commercial and residential HVAC units, furnaces, and air handlers to monitor airflow and system pressure for safety compliance.
Specifications
Calibrated for high-pressure detection; features durable housing and standard electrical terminals for seamless integration into existing control circuits.

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 040-109 a genuine OEM part?
Yes, the 040-109 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 040-109 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (040-109) 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 040-109 shipped?
Most Air Pressure Switches including the 040-109 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 040-109 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 040-109 is in stock before visiting.

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