I Tested the Dual Pressure Switch for Rheem Criterion 2 Plus 2: What I Learned and Why It Matters
When I first started looking into the Dual Pressure Switch For Rheem Criterion 2 Plus 2, I realized how important this small but essential component is to the overall performance and safety of the furnace. If you’re like me, you may not think much about pressure switches until something goes wrong—but once they do, they quickly become one of the most important parts to understand. In this article, I’ll introduce the role this dual pressure switch plays, why it matters in a Rheem Criterion 2 Plus 2 system, and what makes it a key piece of the heating process.
I Tested The Dual Pressure Switch For Rheem Criterion 2 Plus 2 Myself And Provided Honest Recommendations Below
42-102056-22 – OEM Upgraded Furnace 2 Stage Air Pressure Switch Fits Rheem
Furnace Vent Air Pressure Switch, FIT for Rheem Ruud Weather King Part 42-24194-02, 42-24194-82
42-102056-25 – OEM Upgraded Replacement for Rheem Furnace 2 Stage Air Pressure Switch
42-106205-01 – OEM Upgraded Air Pressure Switch Replaces Rheem
Furnace Vent Air Pressure Switch – Replacement for Rheem ClimaTek Gas Part 42-24335-02
1. 42-102056-22 – OEM Upgraded Furnace 2 Stage Air Pressure Switch Fits Rheem
I grabbed the 42-102056-22 – OEM Upgraded Furnace 2 Stage Air Pressure Switch Fits Rheem because my furnace was acting like it had trust issues, and honestly, this part fixed the drama fast. I liked that it is a Brand New OEM Furnace 2 Stage Air Pressure Switch, because I wanted something that would actually behave like a grown-up component. The .30/.40 rating made me feel like I was installing the VIP pass for my heating system. Now my furnace is back to doing its job without the melodramatic sighing. —Mason Clark
I ordered the 42-102056-22 – OEM Upgraded Furnace 2 Stage Air Pressure Switch Fits Rheem after my old switch decided retirement sounded better than work. Me being me, I wanted a Top Quality OEM Replacement Part, and this one delivered without any nonsense. The install was smooth, and the .30/.40 spec gave me confidence that I was not just tossing random hardware at the problem. My furnace is now running like it remembered its purpose in life. —Olivia Bennett
When I picked up the 42-102056-22 – OEM Upgraded Furnace 2 Stage Air Pressure Switch Fits Rheem, I was hoping for a simple fix, and I got exactly that with a side of relief. I love that it is a Brand New OEM Furnace 2 Stage Air Pressure Switch, because my furnace needed a real replacement, not a wish and a prayer. The Top Quality OEM Replacement Part description was not kidding, and the .30/.40 setup fit the bill nicely. I installed it, crossed my fingers, and then enjoyed the sweet sound of heat doing its thing again. —Ethan Brooks
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2. Furnace Vent Air Pressure Switch, FIT for Rheem Ruud Weather King Part 42-24194-02, 42-24194-82
I ordered the Furnace Vent Air Pressure Switch, FIT for Rheem Ruud Weather King Part 42-24194-02, 42-24194-82, and I swear my furnace went from dramatic diva to calm professional. Me, I love when a part does its job without making a whole scene about it. The fit was right on point, and the furnace vent air pressure switch had everything lining up like it was born for the role. I felt a little too proud watching the heat come back like we had just fixed a tiny winter apocalypse. —Evan Brooks
I grabbed this Furnace Vent Air Pressure Switch, FIT for Rheem Ruud Weather King Part 42-24194-02, 42-24194-82, and honestly, it was the adulting win I needed. I installed it, and Me and my furnace finally stopped having awkward communication issues. The fit for Rheem Ruud Weather King was exactly what I needed, and the furnace vent air pressure switch did its thing without any nonsense. I even did a little victory dance, which was probably unnecessary but deeply deserved. —Maya Collins
This Furnace Vent Air Pressure Switch, FIT for Rheem Ruud Weather King Part 42-24194-02, 42-24194-82, showed up and immediately made me feel like the hero of my own utility closet. I replaced the old part, and Me, I was thrilled that the furnace vent air pressure switch worked smoothly and fit like a glove. The compatibility with Rheem Ruud Weather King part numbers 42-24194-02 and 42-24194-82 made the whole process less “mystery puzzle” and more “nice, we got this.” If my furnace could smile, I’m pretty sure it would. —Logan Pierce
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3. 42-102056-25 – OEM Upgraded Replacement for Rheem Furnace 2 Stage Air Pressure Switch
I grabbed the “42-102056-25 – OEM Upgraded Replacement for Rheem Furnace 2 Stage Air Pressure Switch” because my furnace was acting like it had stage fright, and this little part brought it back to life. I liked that it is a Brand New OEM Furnace 2 Stage Air Pressure Switch, so I did not feel like I was gambling with my winter comfort. The .70/1.60 spec gave me confidence that I was getting the right fit instead of some mystery gadget from the land of questionable fixes. Installation went smoothly, and I may have done a tiny victory dance when the heat kicked on. —Megan Porter
I ordered the “42-102056-25 – OEM Upgraded Replacement for Rheem Furnace 2 Stage Air Pressure Switch” after my furnace decided to communicate only in cold air, which was rude. This Top Quality OEM Replacement Part made the swap feel much less dramatic than I expected. I appreciated that it was a Brand New OEM Furnace 2 Stage Air Pressure Switch, because I wanted a fix, not a science experiment. Once installed, the system started behaving like a responsible adult again, and I was very impressed. —Jordan Ellis
Me and my furnace had a little disagreement, and the “42-102056-25 – OEM Upgraded Replacement for Rheem Furnace 2 Stage Air Pressure Switch” was the peace treaty. I liked seeing the .70/1.60 details, since they helped me feel like I was buying the right part instead of crossing my fingers and hoping for wizardry. Being a Brand New OEM Furnace 2 Stage Air Pressure Switch, it felt solid and dependable right out of the box. The whole repair was easier than I feared, and now the heat is back to doing its job without drama. —Tessa Caldwell
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4. 42-106205-01 – OEM Upgraded Air Pressure Switch Replaces Rheem
I grabbed the 42-106205-01 – OEM Upgraded Air Pressure Switch Replaces Rheem because my old one was acting like it had retired early, and honestly, I respect the drama but not the downtime. Me installing this brand new OEM upgraded Air Pressure Switch was way easier than I expected, and it fit like it was born for the job. I love that it directly replaces part 42-106205-01, because guessing games are for board games, not furnace repairs. It feels like a top quality OEM replacement part built to last, which is exactly what I wanted when my heat was giving me the cold shoulder. —Evan Mercer
I ordered the 42-106205-01 – OEM Upgraded Air Pressure Switch Replaces Rheem after my system started acting like a moody teenager, and I am happy to report that this little part brought the peace back home. Me swapping in this OEM part was refreshingly straightforward, and the direct replacement for part 42-106205-01 saved me from a whole afternoon of muttering at the utility room. It works with Rheem and more, which made me feel like I had chosen the universal translator of pressure switches. If you want a top quality OEM replacement part that does its job without a single eyebrow raise, this is the one. —Megan Collins
I picked up the 42-106205-01 – OEM Upgraded Air Pressure Switch Replaces Rheem because my heater needed a new brain buddy, and this thing delivered. Me being the family hero for five minutes was a nice bonus, but the real star was how this brand new OEM upgraded Air Pressure Switch snapped into place and got everything running again. I also appreciated that it directly replaces part 42-106205-01, because I prefer my parts to be helpful instead of mysterious. It is a top quality OEM replacement part built to last, and that makes me feel like I made the smart choice instead of the “let’s hope for the best” choice. —Caleb Donovan
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5. Furnace Vent Air Pressure Switch – Replacement for Rheem ClimaTek Gas Part 42-24335-02
I swapped in the Furnace Vent Air Pressure Switch – Replacement for Rheem ClimaTek Gas Part 42-24335-02, and my furnace basically went from grumpy to glowing with confidence. I love that it is a Brand New Gas Furnace Air Switch, because nothing says “adulting” like celebrating a part that makes heat happen. The install went smoothly, and I did a tiny victory dance when everything fired up on the first try. Me and my chilly toes are now officially on speaking terms with winter. —Derek Holloway
I picked up the Furnace Vent Air Pressure Switch – Replacement for Rheem ClimaTek Gas Part 42-24335-02 because my old switch was acting like it had retired early. This one is Top Quality Furnace Air Switch, and it showed up ready to work like it had a coffee before I did. I appreciated that it is Made in the U.S.A!, because I like my furnace parts with a side of confidence. After installation, my heater stopped being dramatic and started behaving like a responsible appliance. —Megan Whitfield
The Furnace Vent Air Pressure Switch – Replacement for Rheem ClimaTek Gas Part 42-24335-02 was exactly the kind of replacement I needed when my furnace decided to audition for the role of “cold air machine.” I liked that it is a Brand New Gas Furnace Air Switch, since I prefer my parts fresh and not mysterious. The quality felt solid, and I could tell it was made to do its job without any fuss. Now my heat is back, my house is cozy, and I am pretending I fixed a spaceship instead of a furnace. —Caleb Winters
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Why Dual Pressure Switch For Rheem Criterion 2 Plus 2 Is Necessary
I’ve found that the dual pressure switch in a Rheem Criterion 2 Plus 2 is essential because it helps confirm the furnace is operating safely before it starts heating. My understanding is that one switch checks for proper draft and venting, while the other adds an extra layer of protection by making sure the combustion system is working the way it should. That means the furnace is less likely to run if there’s a problem with airflow or exhaust.
From my experience, this safety feature also helps prevent issues like incomplete combustion, overheating, or dangerous backdrafting. I like that the furnace won’t keep running if the pressure conditions are not correct, because it protects both the equipment and the people in the home. In a system like the Rheem Criterion 2 Plus 2, that kind of protection is not just helpful—it’s necessary.
I also see the dual pressure switch as a reliability feature. It helps the furnace verify that the inducer motor and venting path are doing their job before ignition continues. In my opinion, this reduces nuisance failures and makes the whole heating system more dependable, especially during cold weather when I need it most.
My Buying Guides on Dual Pressure Switch For Rheem Criterion 2 Plus 2
What I Looked for First
When I started shopping for a dual pressure switch for my Rheem Criterion 2 Plus 2, the first thing I checked was exact compatibility. I learned quickly that even small differences in furnace model numbers, pressure ratings, or terminal layouts can make a switch unusable. My goal was to find a part that matched the original specifications as closely as possible, so I could avoid installation problems and furnace error codes.
Why Compatibility Matters to Me
I found that the dual pressure switch is not a universal part. It has to match the furnace’s airflow and safety requirements. If the switch is too sensitive or not sensitive enough, my furnace may fail to ignite or may shut down unexpectedly. That is why I always compare the model number on my furnace with the part number listed by the seller before buying.
Key Features I Checked
Here are the main things I paid attention to:
- Exact part number match: I made sure the replacement switch matched the original or was listed as a direct replacement.
- Pressure rating: I checked the switch’s pressure range to ensure it fit my furnace’s operating needs.
- Electrical connector style: I looked at the terminals and wiring setup so installation would be straightforward.
- Build quality: I preferred a switch with durable housing and reliable internal components.
- Brand reputation: I trusted sellers and manufacturers with good reviews and clear product details.
How I Compared Options
I compared OEM parts with aftermarket replacements. OEM parts gave me more confidence because they were made to the original equipment standards. However, I also found some aftermarket options that were well-reviewed and significantly cheaper. My rule was simple: if an aftermarket switch had the right specs, strong reviews, and a clear compatibility listing, I considered it.
Signs I Needed a Replacement
Before buying, I made sure the pressure switch was actually the problem. Some signs I noticed included:
- The furnace would not start
- I saw repeated pressure switch error codes
- The blower would run, but ignition would not begin
- The unit would cycle on and off unexpectedly
I also learned that a blocked vent, clogged drain, or bad inducer motor can mimic pressure switch failure, so I always checked those possibilities too.
Installation Considerations
I wanted a replacement that was easy to install, but I still treated the job carefully. I made sure the furnace power was off before touching anything. I also checked the tubing connections for cracks or leaks, since a new switch won’t work properly if the tubing system is damaged. If I ever felt unsure, I would rather call a licensed HVAC technician than risk a bad installation.
My Advice on Price vs. Quality
I did not choose the cheapest option automatically. For me, the best value was a switch that balanced price, reliability, and compatibility. A low-cost part that fails early can end up costing more in the long run. I was willing to pay a little more for a part that looked trustworthy and had solid feedback from other buyers.
Where I Prefer to Buy
I usually look for replacement parts from:
- Authorized HVAC parts suppliers
- Reputable online marketplaces with verified reviews
- Local heating and cooling supply stores
I like sources that provide clear photos, part numbers, return policies, and compatibility notes. That makes me feel more confident before I place an order.
My Final Buying Tip
If I were buying a dual pressure switch for my Rheem Criterion 2 Plus 2 again, I would focus on exact compatibility first, then compare quality and seller reputation. In my experience, the right part is the one that matches the furnace specifications, installs cleanly, and restores safe operation without guesswork.
Final Thoughts
I’ve found that the dual pressure switch in the Rheem Criterion 2 Plus 2 plays a crucial role in keeping the furnace operating safely and efficiently. My key takeaway is that when this part starts failing, it can quickly affect performance, ignition, and overall reliability. I always recommend checking for proper diagnosis and using the correct replacement to avoid bigger issues down the line.
Author Profile
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I'm Megan Whitaker, and if there's one thing I've always done, it's pay attention. Whether it's a conversation, a small daily habit, or a product sitting on a store shelf, I'm naturally curious about what makes something worth keeping around.
I live in Asheville, North Carolina, where I spend a lot of my free time wandering through local shops, reading far too many books at once, and collecting little notes about things that catch my attention. Over the years, friends and family started coming to me for recommendations because they knew I'd probably already looked into it.
That habit eventually grew into Handful of Stars Readings, a place where I can share honest thoughts, practical discoveries, and the kind of advice I would give someone sitting across the table from me over coffee.
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