1-778-759-9864
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BCFurnace

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BCFURNACE

021-893

$44.00

+5% Tax • Shipping calculated at checkout.

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

Name

SWITCH; CONTROL; LOW PRESSURE; PRESS-LO

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

This high-performance low pressure control switch is a critical safety component designed for HVAC systems and air handling units. Often referred to as an air proving switch, it monitors internal system pressure to ensure safe and efficient operation. When air pressure falls below the required threshold, this switch interrupts the electrical circuit to protect vital components like the compressor from damage due to low refrigerant levels or restricted airflow. Engineered for reliability and precision, this replacement pressure sensor is essential for maintaining the longevity and performance of commercial and residential climate control systems. Whether you are troubleshooting a cooling cycle issue or performing routine maintenance, this durable air pressure switch provides the accurate detection needed for optimal system safety.

Specifications

Type
Air Pressure Switch
Size
Compact
Application
Used in residential and commercial HVAC units, air handlers, and packaged cooling systems to monitor low-pressure conditions and provide air-proving safety logic.
Specifications
Low-pressure cutout, air-proving functionality, durable contact points for long service life, precision-calibrated pressure sensing.

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 021-893 a genuine OEM part?
Yes, the 021-893 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 021-893 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (021-893) 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 021-893 shipped?
Most Air Pressure Switches including the 021-893 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 021-893 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 021-893 is in stock before visiting.

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