1-778-759-9864
Canada (CAD $) flagCanada (CAD $)
BCFurnace
Pressure Switch, Low, 55/23# 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

Pressure Switch, Low, 55/23# Air Pressure Switch, Air Proving

BCFURNACE

040-473

CA$111.34

+5% Tax • Shipping calculated at checkout.

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

Name

Pressure Switch, Low, 55/23#

1units available

Pickup available at 75 Blue Mountain St #3

Usually ready in 24 hours

Secure Payment
Fast Delivery
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-quality low-pressure air proving switch. Designed to monitor internal pressure levels, this safety cutout switch prevents the compressor from operating under low-pressure conditions that could lead to system damage or total failure. It features a precise calibration with a 23 PSI cutout and a 55 PSI reset point, making it an essential component for residential and commercial cooling equipment. Whether you are performing routine maintenance or troubleshooting an air conditioning unit that keeps cycling off, this reliable pressure sensor helps maintain optimal performance and protects your appliance from expensive repairs.

Specifications

Type
Air Pressure Switch
Size
Small
Application
Commonly used in residential air conditioning units, heat pumps, and HVAC systems as a safety limit switch to monitor refrigerant or air pressure.
Specifications
Pressure Rating: 55 PSI (Reset) / 23 PSI (Cutout); Switch Type: Low Pressure; Function: Air Proving and Compressor Protection

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 040-473 a genuine OEM part?
Yes, the 040-473 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 040-473 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (040-473) 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 040-473 shipped?
Most Air Pressure Switches including the 040-473 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 040-473 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 040-473 is in stock before visiting.

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