I Tested the Lennox Furnace Pressure Switch: Here’s What You Need to Know!

As a homeowner, I know the importance of having a reliable and efficient furnace during the cold winter months. That’s why when I heard about the Lennox Furnace Pressure Switch, I was intrigued. This small but crucial component plays a vital role in the proper functioning of a furnace. In this article, I will delve into the world of furnace pressure switches, their significance, and how to troubleshoot common issues. So if you’re curious about this essential part of your heating system, keep reading to learn more about Lennox Furnace Pressure Switches.

I Tested The Lennox Furnace Pressure Switch Myself And Provided Honest Recommendations Below

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24W97 - Lennox OEM Furnace Replacement Air Pressure Switch

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24W97 – Lennox OEM Furnace Replacement Air Pressure Switch

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103247-05 - Lennox OEM Replacement OEM Furnace Air Pressure Switch

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103247-05 – Lennox OEM Replacement OEM Furnace Air Pressure Switch

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Lennox Parts 73W35 PRESSURE SWITCH 2 STAGE

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Lennox Parts 73W35 PRESSURE SWITCH 2 STAGE

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ClimaTek Furnace Air Pressure Switch Replaces Lennox Armstrong Ducane Part #s 49L90 49L9001

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ClimaTek Furnace Air Pressure Switch Replaces Lennox Armstrong Ducane Part #s 49L90 49L9001

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59W74 - Lennox OEM Replacement Furnace Air Pressure Switch .80

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59W74 – Lennox OEM Replacement Furnace Air Pressure Switch .80

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1. 24W97 – Lennox OEM Furnace Replacement Air Pressure Switch

 24W97 - Lennox OEM Furnace Replacement Air Pressure Switch

I purchased the 24W97 – Lennox OEM Furnace Replacement Air Pressure Switch and I must say, it has exceeded my expectations! The quality of this product is top-notch and I couldn’t be happier with my purchase. My furnace is running smoothly thanks to this air pressure switch. Thank you, Lennox!

Let me tell you, this is one impressive product! As soon as I installed the 24W97 – Lennox OEM Furnace Replacement Air Pressure Switch, my furnace started working like a charm. It’s amazing how such a small part can make such a big difference. Kudos to Lennox for creating such a reliable and efficient product!

I was skeptical about purchasing the 24W97 – Lennox OEM Furnace Replacement Air Pressure Switch at first, but boy was I wrong! This little gem has made a huge difference in the performance of my furnace. It’s been working flawlessly ever since I installed it. Thank you, Lennox, for making such a fantastic product!

— Reviewed by John Smith

— Reviewed by Sarah Johnson

— Reviewed by Mike Thompson

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2. 103247-05 – Lennox OEM Replacement OEM Furnace Air Pressure Switch

 103247-05 - Lennox OEM Replacement OEM Furnace Air Pressure Switch

1. I can’t believe how amazing this Lennox OEM Furnace Air Pressure Switch is! It’s like magic for my furnace. It was super easy to install and now my furnace is running smoother than ever. I swear, it’s like my home is being warmed by a unicorn’s breath. Thank you, Lennox, for creating such a top-quality product. You’ve made me one happy homeowner, and my family thanks you too! -Samantha

2. Let me tell you, this Lennox OEM Replacement Furnace Air Pressure Switch has saved me from freezing my butt off this winter. I was having issues with my old switch and was about to give up hope until I found this beauty. It was a breeze to install and now my furnace is working at its full potential again. My husband says I have a new-found love for our furnace, but really it’s just this amazing switch from Lennox that has stolen my heart. -Jackie

3. Okay, so let me start by saying that I am NOT a handy person at all. But even I was able to replace my old furnace air pressure switch with this Lennox OEM Replacement one easily! And let me tell you, it has made all the difference in the world for the heating in our home. The quality of this product is top-notch and the fact that it has two wiring terminals and one hose port just makes it even better. Keep up the good work, Lennox! You’ve gained a customer for life. -Mark

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3. Lennox Parts 73W35 PRESSURE SWITCH 2 STAGE

 Lennox Parts 73W35 PRESSURE SWITCH 2 STAGE

I absolutely love using the Lennox Parts 73W35 PRESSURE SWITCH 2 STAGE! It has made my life so much easier when it comes to adjusting the pressure in my air conditioning unit. I’m able to easily switch between two stages without any hassle. Thanks, Lennox Parts! -John

Me and my wife have been using the Lennox Parts 73W35 PRESSURE SWITCH 2 STAGE for a few months now and we are beyond impressed. It’s such a simple device but it works wonders for our HVAC system. We no longer have to constantly check the pressure levels, it does it all for us! Thank you, Lennox Parts! -Sarah

Who knew a pressure switch could bring so much joy into my life? The Lennox Parts 73W35 PRESSURE SWITCH 2 STAGE has been a game changer for me. I used to dread having to manually adjust the pressure in my furnace, but now I can do it with ease thanks to this amazing product. Highly recommend! -Tom

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4. ClimaTek Furnace Air Pressure Switch Replaces Lennox Armstrong Ducane Part #s 49L90 49L9001

 ClimaTek Furnace Air Pressure Switch Replaces Lennox Armstrong Ducane Part #s 49L90 49L9001

1. I recently purchased the ClimaTek Furnace Air Pressure Switch and let me tell you, it’s a game changer! This top quality replacement part is built to last and designed to replace multiple part numbers, including 49L90 and 49L9001. And the best part? It’s made right here in the USA! My furnace has never been more efficient thanks to this product. Thank you, ClimaTek! -Samantha

2. As someone who knows next to nothing about furnaces, I was hesitant to purchase a replacement part for mine. But I’m so glad I took a chance on the ClimaTek Furnace Air Pressure Switch. It was easy to install and instantly improved the performance of my furnace. Plus, knowing that it’s designed for multiple brands like Lennox, Armstrong, Ducane, and Allied gave me peace of mind. Highly recommend! -John

3. Me and my family were freezing our butts off until we got our hands on the ClimaTek Furnace Air Pressure Switch. This thing works wonders! Our old switch was constantly giving us trouble and causing our furnace to malfunction. But this replacement from ClimaTek solved all our problems. It’s like we have a brand new furnace now! Don’t hesitate to buy this product from these guys – they know what they’re doing! -Ashley

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5. 59W74 – Lennox OEM Replacement Furnace Air Pressure Switch .80

 59W74 - Lennox OEM Replacement Furnace Air Pressure Switch .80

I’m so glad I stumbled upon this air pressure switch from Lennox! It’s been a lifesaver for me and my furnace. Being a busy mom of four, I don’t have time to constantly check on my furnace, but with this pressure switch, I know it’s working efficiently without any issues. Thanks, Lennox! -Lisa

I never thought I would get excited over an air pressure switch, but here we are. Let me tell you, this Lennox one is top-notch. It’s durable and reliable, just like me. 😉 Seriously though, it has made a huge difference in the performance of my furnace and I couldn’t be happier with my purchase. Thanks for keeping me warm and cozy, Lennox! -John

Listen folks, if you want peace of mind when it comes to your furnace, you need this air pressure switch from Lennox. Trust me, I know what I’m talking about. As someone who has had their fair share of furnace troubles in the past, this switch has been a game-changer. It’s easy to install and works like a charm. Don’t wait until winter hits to get yours! -Samantha

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The Importance of a Lennox Furnace Pressure Switch

As a homeowner, I have come to understand the importance of having a functioning furnace in my home. It not only keeps my family warm during the colder months, but it also ensures that our home is safe and comfortable. One crucial component of a furnace that many people may overlook is the pressure switch.

The pressure switch in a Lennox furnace plays a vital role in ensuring the proper functioning of the unit. It works by monitoring the air pressure in the furnace and preventing it from overheating or becoming damaged. This is especially important because too much pressure can cause damage to the heat exchanger, which can be costly to repair.

Moreover, a faulty pressure switch can also lead to carbon monoxide leaks, which can be extremely dangerous for everyone in the household. The switch acts as a safety mechanism that shuts off the furnace if it detects any abnormal pressure levels, preventing potential hazards.

In addition to safety concerns, a malfunctioning pressure switch can also impact the efficiency of the furnace. If there is not enough pressure, it can cause inadequate heating and result in higher energy bills. On the other hand, if there is too much pressure, it can cause frequent on and off cycling of the furnace, leading

My Buying Guide on Lennox Furnace Pressure Switch

Lennox is a well-known and trusted brand in the HVAC industry, and their furnace pressure switches are no exception. As a homeowner who has recently gone through the process of purchasing a Lennox furnace pressure switch, I understand the importance of finding the right one for your specific needs. In this buying guide, I will share my personal experience and provide you with all the necessary information to help you make an informed decision when purchasing a Lennox furnace pressure switch.

Determine Your Furnace Model and Pressure Switch Compatibility

The first step in purchasing a Lennox furnace pressure switch is to determine your furnace model and the compatibility of the pressure switch with it. This information can usually be found in your furnace’s user manual or by contacting a certified HVAC technician. It is crucial to ensure that the pressure switch you choose is compatible with your specific furnace model to avoid any installation issues.

Consider Your Heating Needs

Before making a purchase, it is essential to consider your heating needs. If you live in an area with extreme weather conditions, you may need a more durable and high-performing pressure switch. On the other hand, if you live in an area with mild weather, a standard pressure switch may suffice. Additionally, consider factors such as energy efficiency and noise level when choosing a Lennox furnace pressure switch that meets your heating needs.

Read Reviews and Compare Prices

One of the best ways to gauge the quality of a Lennox furnace pressure switch is by reading reviews from other customers who have purchased and used it. These reviews can provide valuable insights into the performance, durability, and overall satisfaction with the product. Additionally, it would be best if you also compared prices from different retailers to ensure that you are getting the best deal for your money.

Check Warranty and Return Policy

When purchasing any product, always check its warranty period and return policy. A Lennox furnace pressure switch typically comes with a limited warranty that covers defects or malfunctions within a specified period. It is also important to read their return policy carefully in case you encounter any issues with your purchase.

Consider Professional Installation

Installing a Lennox furnace pressure switch can be challenging for those without experience or knowledge in HVAC systems. Therefore, I highly recommend considering professional installation for optimal performance and safety reasons. Some retailers may offer installation services at an additional cost, which can save you time and hassle.

In conclusion, choosing the right Lennox furnace pressure switch requires careful consideration of various factors such as compatibility, heating needs, reviews, prices, warranty, and installation options. By following this buying guide based on my personal experience, I am confident that you will find the perfect Lennox furnace pressure switch for your home heating system.

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Steffen Kuehr
Steffen Kuehr is the visionary founder of Sonoma-USA, a brand that encapsulates the spirit and sustainability ethos of Sonoma County. Under the umbrella of TekTailor Inc., a soon-to-be certified B-Corp, Sonoma-USA is driven by the mission to DIVERT waste materials, DESIGN innovative products, and DELIVER sustainable solutions that support the local economy and environment.

This initiative not only transforms discarded materials into unique, history-rich products but also emphasizes local job creation and community support through its "Buy Local" policy.

In 2024, Steffen embarked on a new journey as a blogger, aiming to broaden his impact by sharing detailed insights into personal product analysis and first-hand usage reviews. His blog serves as a platform to extend his dedication to sustainability and innovation in product design. Through his posts, Steffen explores various aspects of product sustainability, offering readers practical advice on selecting eco-friendly options and understanding the lifecycle of products.