1-778-759-9864
United States (USD $) flagUnited States (USD $)
BCFurnace

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BCFURNACE

021-881

$56.00

+5% Tax • Shipping calculated at checkout.

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

Name

SWITCH; CONTROL, LOW PRESSURE, 8 OPEN, 2

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 your HVAC system operates safely and efficiently with this high-quality Low Pressure Control Switch. Also known as an air proving switch, this essential component monitors the air pressure within your furnace or air handler to verify proper airflow and ventilation. Designed for precision and reliability, it acts as a critical safety feature that prevents the system from operating if a pressure drop or vent blockage is detected. Whether you are performing routine maintenance or troubleshooting a heating system that fails to ignite, this durable pressure switch is a vital replacement part for maintaining optimal air movement and system safety in residential and commercial climate control units.

Specifications

Type
Air Pressure Switch
Size
Standard HVAC component size
Application
Used in residential and commercial HVAC systems, specifically within furnaces and air handlers to monitor inducer motor performance and vent pressure.
Specifications
Low-pressure air proving control, designed to sense pressure changes and ensure safe equipment operation.

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 021-881 a genuine OEM part?
Yes, the 021-881 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 021-881 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (021-881) 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 021-881 shipped?
Most Air Pressure Switches including the 021-881 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 021-881 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 021-881 is in stock before visiting.

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