Replacing a Built-in Sub Zero Refrigerator: 532, 550, 561, 601R & More

Replacing a Built-in Sub Zero Refrigerator: 532, 550, 561, 601R & More

If you’re one of the many Sub Zero fridge customers with the popular 532, 550, 561, 601R, and other 500 & 600 series models, it might be the right time for an upgrade. Sub Zero refrigerator introduced their 500 series in 1987 with the 600 series arriving in 1996. With an average lifespan of 18 yo 20 years for the award-winning 500 and 600 series refrigerators, your Sub Zero fridge might be nearing the end of its life cycle.

That being said, many of us avoid replacing a built-in refrigerator that’s been integrated with our cabinetry. It’s a daunting task that can involve a considerable amount of expertise, both when it comes to the removal of the old unit and the installation of the new one. Besides, considering the price tag of a new Sub Zero refrigerator alone might give you a bit of pause. Fortunately, we can offer this helpful guide to take you through the process of making the upgrade.


Wath Our Video Review of Sub Zero Refrigerators

But first, a bit of encouragement—you might think that the newer Sub Zero models have little new to offer. You can rest assured knowing that Sub Zero as the best refrigerator brand has long been focused on ongoing innovation and refinement of their products over time. As a result, each new update to their refrigerator line brings truly innovative and useful upgrades that users will appreciate.

With that in mind, let’s take a look at what an upgrade will bring you.

What will replacing my Sub Zero refrigerator get me?

It starts with a list of truly impressive technology upgrades, each one designed to improve the quality of your refrigeration and use.

  • Energy efficiency improvements and Energy Star qualification
  • Quieter operation thanks to modern compressors
  • Drastically improved food preservation for longer-lasting and better-tasting food
  • Added air purifiers in the new Classic BI series. This antimicrobial air purification system scrubs ambient air in 20 minute intervals to filter out ethylene, viruses, mold, bacteria and odors
  • Precise temperature controls in single-degree intervals
  • Dual compressors, evaporators and condensers to prevent freezer burn and odor transfer

Advanced tech isn’t all you’ll get by upgrading. New Sub Zero models also offer plenty of convenience and design upgrades, as well.

  • Modern handle design that matches most luxury appliances on the market, particularly Wolf brand appliances
  • LED interior lights for rich, bright illumination
  • Interior water dispenser on most models
  • Welded and polished door edges for clean, streamlined look
  • Soft Close crisper drawer that stores food two degrees cooler than the rest of the fridge
  • Max Ice feature increases ice production by 30% in a 24-hour period
  • More custom configurations and styles
  • Overall cleaner-looking dual installation kits for visually beautiful installation

In addition to these features, each new model is engineered to withstand 20 years of regular use, with each unit having been tested rigorously by Sub Zero’s stringent standards. Sub Zero also offers US-based customer support, 24/7, so you’ll never be lost without guidance during use or installation.

What model replaces my older fridge?

Finding the new model number that replaces your old Sub-Zero can be a daunting task. We have put together the following charts to help you find the exact model that replaces your current refrigerators.

What current model replaces my 500 series Sub-Zero? (Typically purchased between 1987 and 1995)

Old Sub-Zero Model New Sub-Zero Model
501F Series BI-36F
501R Series BI-36R
506 Series UC-15i
511 Series BI-30U
532 Series 648PRO or 648PROG
532 Series BI-48S or BI-48SID
542 Series BI-42S or BI-42SID or BI-42UFD
550 Series BI-36U or BI-36UFD
561 Series BI-36S or BI-36UFD
590 Series BI-48SD or BI-48SID

What current model replaces my 600 series Sub-Zero? (Typically purchased between 1996 and 2008)

Old Sub-Zero Model New Sub-Zero Model
601F Series BI-36F
601R Series BI-36R
611 Series BI-30U
632 Series BI-48SD or BI-48SID
642 Series BI-42S or BI-42SID or BI-42UFD
650 Series BI-36U or BI-36UFD
661 Series BI-36S or BI-36UFD
680 Series BI-42S or BI-42SID or BI-42UFD
685 Series BI-42S or BI-42SID or BI-42UFD
690 Series BI-48SD or BI-48SID
695 Series BI-48SD or BI-48SID

Other replacement models

Old Sub-Zero Model New Sub-Zero Model
201FD Series BI-36F
215FD Series BI-36F
211 Series BI-30U
215R Series BI-36R
235 Series UC-15i
241 Series BI-36U
244 Series UC-24
251 Series BI-36U
2511 Series BI-36U
2711 Series BI-36U
2811 Series BI-36U
3211 Series BI48S or BI-48SID
315i Series UC-15i
361 Series BI-36S

Who can install a Sub Zero?


If you’re looking to have a new Sub Zero refrigerator installed, your best first step is to reach out to one of the many Sub Zero expert specialists at Designer Appliances. From there, we can help you prepare for installation step-by-step. Plus, our factory-certified installations add an additional year to your Sub Zero factory warranty.

Before contacting us, consider having these resources ready so that we can fully serve you and give all the information we need.

  • The exact model number of your existing fridge (the one being replaced). This can usually be found on a sticker attached to the fridges interior wall
  • A photo of the unit, including the surrounding cabinets
  • Your preferences regarding stainless steel or your original panels so that we can guide you through any necessary retrofitting requirements
  • Information about accessibility in your home (ex.—Is there an elevator? How tall is the elevator? What’s the clearance of the stairs?)

More incentive to buy – Save $500 with Sub Zero loyalty


For a limited time, Sub Zero is offering up to $500 credit to customers who upgrade their 500 or 600 series refrigerator to a new built in refrigerator. All you’ll need is your the serial number from your old Sub-Zero refrigerator.

This rebate offering changes slightly from quarter to quarter, therefore, it makes sense to check with your local appliances store on specific details. When calling also see if you can combine this promotion with $1,000 off rebate on Sub Zero Wolf packages.

Are there more affordable built-in refrigerator options?

The build-in refrigerators are not inexpensive. In addition, you need specialized crews to uninstall and install them in your home. That being said there are alternative built-in refrigerators that might be more affordable than a Sub Zero. These fridges will fit in the same cut-out dimensions.


With updated technology, highly improved design and convenience factors, and a robust warranty and credit offer, there’s truly no better time than the present to bring your Sub Zero refrigeration into the modern age. If you want the proven superior quality of Sub Zero with an updated, modern look, upgrade to the Classic BI series today.

Visit the Largest Sub Zero | Wolf | Cove Showroom in NY NJ 


Is Sub Zero and Wolf the same company?

Yes. Sub Zero aquired Wolf ranges some 20 years ago and kept the brand name intact.

Are there incentives in purchasing a Sub Zero refrigerator with a Wolf Range?

Yes. Company runs occasional promotions to encourage package sales. Please contact our sales staff to get more information on available incentives.

Are Wolf Ranges worth the price?

We believe so. However, it is worth researching the Wolf ranges in detail before making this expensive purchase. We have various up and close video reviews as well as blog post that might help you.

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SIDENOTE. This post was last modified on August 18, 2021. However, we regularly update our content as we test more products and new models are released. We also listen to the feedback of our customers and make changes to our product recommendations based on their experiences. So don’t be surprised if you see some old comments below! Since reader comments contribute to the topic, we have decided not to delete them.

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