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Furnace Parts DIY
Air Pressure Switch 001-157 replacement part for Lennox furnaces

Furnace Parts DIY

001-157

$192.00

+5% Tax • Shipping calculated at checkout.

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

Name

LENNOX SWITCH-PRESSURE (LOW FIRE) 1.35"WC

Low stock — only 1 left

Pickup available at 75 Blue Mountain St #3, Coquitlam

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

An 001-157 Air Pressure Switch acts as key safety interlocks, confirming proper airflow and venting before your HVAC system ignites, preventing unsafe operation. Dependable air pressure switches protect your equipment and ensure system integrity by verifying safe conditions.

Specifications

Type
Air Pressure Switch
Size
Standard
Application
Commonly used in high-efficiency gas furnaces and multi-stage residential heating systems to monitor combustion chamber pressure and verify inducer motor operation.
Specifications
Pressure Setting: 1.35" WC (Water Column); Function: Low Fire Air Proving; Sensor Type: Diaphragm-actuated safety switch

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–5PM PT · Or email parts@bcfurnace.com

Common questions

Will the 001-157 fit my furnace?

The 001-157 is a replacement part. Match your furnace model number on our site to confirm the fit. This Air Pressure Switch 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 001-157 is compatible with my furnace?

The easiest way is to match the part number (001-157) with your furnace model number. Visit the homepage 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 001-157 shipped?

Most Air Pressure Switches including the 001-157 ship within 1–2 business days from our warehouse. We ship across Canada and the United States, and worldwide, with tracking on every order. For urgent furnace repairs, contact us at 1-778-759-9864 for expedited shipping options.

Can I pick up the 001-157 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 001-157 is in stock before visiting.

Still not sure this is the right part? Call 1-778-759-9864 and we will check your model number with you.

Where usedFits 2 furnace models

The model number is on the rating plate inside the furnace door.

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