1-778-759-9864
United States (USD $) flagUnited States (USD $)
BCFurnace
670-470# HIGH 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

670-470# HIGH PRESSURE SWITCH Air Pressure Switch, Air Proving

BCFURNACE

040-657

$64.00

+5% Tax • Shipping calculated at checkout.

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

Name

670-470# HIGH PRESSURE SWITCH

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

Ensure the safety and efficiency of your HVAC system with this high-performance High Pressure Switch. Designed as a critical air-proving and safety monitoring component, this switch is engineered to protect your air conditioning or heat pump compressor from damage caused by excessive internal pressure. By monitoring the refrigerant line pressure, it acts as a failsafe, automatically cycling the system off if levels exceed safe operating limits. This replacement switch is essential for maintaining the longevity of your outdoor cooling unit and preventing costly mechanical failure. Durable and reliable, it is a key part for residential and commercial HVAC maintenance projects aimed at restoring optimal climate control performance.

Specifications

Type
Air Pressure Switch
Size
Small
Application
Commonly used in central air conditioning units and outdoor heat pump systems to provide high-pressure safety cutouts and compressor protection.
Specifications
High-pressure safety monitoring, air-proving functionality, automatic reset or cutout capability, designed for refrigerant-based cooling systems.

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 040-657 a genuine OEM part?
Yes, the 040-657 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 040-657 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (040-657) 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 040-657 shipped?
Most Air Pressure Switches including the 040-657 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 040-657 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 040-657 is in stock before visiting.

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