1-778-759-9864
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BCFurnace

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BCFURNACE

021-884

$14.00

+5% Tax • Shipping calculated at checkout.

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

Name

SWITCH, LOW PRESSURE CUTOUT, 250 OPEN, A

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 safe and efficient operation of your heating and cooling equipment with this professional-grade low-pressure cutout switch. As a critical air-proving component, this pressure sensor monitors system airflow and internal pressure levels to maintain a safe operating environment. When it detects a drop in pressure below the calibrated 250 setpoint, the switch opens the electrical circuit, automatically shutting down the appliance to prevent damage or unsafe operation. This replacement air pressure switch is an essential safety component for furnace repair, air handler maintenance, and ensuring proper ventilation in residential and commercial climate control systems. Designed for precision and reliability, it serves as a vital safeguard against system failure.

Specifications

Type
Air Pressure Switch / Air Proving Switch
Size
Standard
Application
Commonly utilized in HVAC systems, furnaces, boilers, and air handling units to monitor airflow and provide safety cutout functionality during low-pressure conditions.
Specifications
Switch Function: Low Pressure Cutout; Contact Action: Opens on Pressure Drop (250 Open); Component Type: Air Proving Sensor

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 021-884 a genuine OEM part?
Yes, the 021-884 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 021-884 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (021-884) 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 021-884 shipped?
Most Air Pressure Switches including the 021-884 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 021-884 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 021-884 is in stock before visiting.

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