1-778-759-9864
Canada (CAD $) flagCanada (CAD $)
BCFurnace
Air Pressure Switch, 05-5 IWC, Rise 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

Air Pressure Switch, 05-5 IWC, Rise Air Pressure Switch, Air Proving

BCFURNACE

121-271

CA$771.88

+5% Tax • Shipping calculated at checkout.

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

Name

Air Pressure Switch, 05-5 IWC, Rise

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

This high-performance Air Pressure Switch is a critical safety component designed for residential gas furnaces and HVAC systems. Functioning as an air proving switch, it ensures the inducer fan is creating sufficient airflow and proper venting before allowing the ignition sequence to proceed. By monitoring the internal pressure of the furnace, this switch prevents the system from operating under unsafe conditions, such as a blocked flue or a failing draft inducer. It is an ideal replacement part for troubleshooting heating systems that fail to ignite or show pressure switch error codes. Built for reliability and precision, this 0.55 IWC pressure switch helps restore efficient heating performance and maintains the safety standards of your forced-air system.

Specifications

Type
Air Pressure Switch
Size
Standard HVAC component
Application
Commonly used in residential gas furnaces, forced-air heating systems, and HVAC units to monitor inducer blower pressure and ensure safe venting.
Specifications
Pressure Setting: 0.55 Inches Water Column (IWC); Action: Closes on pressure rise; Function: Air proving safety interlock.

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 121-271 a genuine OEM part?
Yes, the 121-271 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 121-271 is compatible with my BCFurnace furnace?
The easiest way is to match the part number (121-271) 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 121-271 shipped?
Most Air Pressure Switches including the 121-271 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 121-271 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 121-271 is in stock before visiting.

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