1-778-759-9864
Canada (CAD $) flagCanada (CAD $)
BCFurnace
Low Ambient Pressure Switch Kit 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 Ambient Pressure Switch Kit Air Pressure Switch, Air Proving

BCFURNACE

040-540

CA$439.35

+5% Tax • Shipping calculated at checkout.

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

Name

Low Ambient Pressure Switch Kit

1units available

Pickup available at 75 Blue Mountain St #3

Usually ready in 24 hours

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Fast Delivery
Local Pickup

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

Product Details

Description

The Low Ambient Pressure Switch Kit is a critical HVAC component designed to ensure your air conditioning or heat pump system operates safely and efficiently during low outdoor temperatures. This air pressure switch acts as a fan cycle control, monitoring head pressure to regulate the condenser fan motor. By maintaining optimal operating pressures, the kit prevents the evaporator coil from freezing and protects the compressor from potential damage during cold-weather cooling cycles. This professional-grade air-proving switch is an essential upgrade for systems required to run in cooler climates or specialized environments like server rooms and commercial buildings, ensuring reliable year-round climate control and system longevity.

Specifications

Type
Air Pressure Switch / Low Ambient Control Kit
Size
Standard compact component
Application
Compatible with residential and commercial central air conditioning units and heat pump systems requiring cooling operation when outdoor temperatures drop below standard thresholds.
Specifications
Pressure-activated fan cycling control, specifically designed for low-ambient cooling regulation to maintain proper head pressure; includes pressure-responsive switch and necessary wiring/mounting hardware for installation.

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 040-540 a genuine OEM part?
Yes, the 040-540 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 040-540 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (040-540) 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 040-540 shipped?
Most Air Pressure Switches including the 040-540 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 040-540 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 040-540 is in stock before visiting.

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