Kohler 20201-LA-0 Underscore® 60" x vs Kohler 1957-RA-0 Underscore® 60" x (2026): Key Differences
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
You are looking at the kohler 20201 la 0 underscore 60 x vs ra 0 underscore 60 x. Both are white acrylic alcove tubs with a 60-inch length and 68-gallon capacity. They share integral aprons and flanges for easy installation. The main difference lies in their width and drain placement. One model is narrower with a left drain, while the other is wider with a right drain. These dimensions affect your bathroom layout and soaking comfort.
Key differences
| Aspect | Kohler Underscore 60" Alcove Tub | Kohler Underscore 60x32 Alcove Tub |
|---|---|---|
| Width | 30 inches | 32 inches |
| Drain Location | Left-hand | Right-hand |
| Soaking Depth | 19 inches | Not listed |
| Height | 20.3 inches | 21 inches |
Which one should you choose?
Choose Kohler Underscore 60" Alcove Tub if
- You need a narrower tub to fit a standard 30-inch alcove space.
- You prefer a left-hand drain configuration for your plumbing setup.
- You want a lower step-over height of 19 inches for easier access.
Choose Kohler Underscore 60x32 Alcove Tub if
- You have a 32-inch alcove space available for installation.
- You require a right-hand drain to match existing plumbing.
- You prefer a slightly taller overall profile for the tub.
Verdict: Choose the 20201-LA-0 if your bathroom alcove is 30 inches wide or you need a left drain. Pick the 1957-RA-0 if your space is 32 inches wide or you need a right drain. Both offer the same capacity and material quality.
Size and Drain Configuration Comparison
Tub Width
The Kohler 20201-LA-0 measures 30 inches wide, while the 1957-RA-0 is 32 inches wide. This two-inch difference affects how much space you have to move your legs. A wider tub generally feels more spacious and comfortable for most adults. If you have a tight alcove, the 30-inch model fits standard layouts easily. The 32-inch option requires slightly more wall space. Consider your bathroom dimensions carefully before choosing. The extra width in the 1957-RA-0 may offer a more luxurious soak for larger users.
Drain Position
Drain location is critical for plumbing compatibility. The 20201-LA-0 features a left-hand drain, which suits alcoves where pipes are on the left wall. The 1957-RA-0 has a right-hand drain, matching installations with plumbing on the right. You must align the tub drain with your existing drain pipe to avoid costly modifications. Neither model offers a center drain. Check your current plumbing setup before purchasing. Choosing the wrong drain side means you will need a plumber to adjust your pipes or buy a drain kit to relocate it.
Soaking Depth
Soaking depth impacts comfort and water usage. The 20201-LA-0 has a soaking depth of 19 inches. The 1957-RA-0 is listed with a height of 21 inches, but its soaking depth is not explicitly stated in the provided data. Both models hold 68 gallons of water. The slotted overflow on both tubs allows you to fill them deeper than standard tubs. A 19-inch depth is already quite deep for an alcove tub. The 1957-RA-0 may offer a slightly deeper soak if its overall height correlates to water depth, but the 20201-LA-0 is confirmed to be deep enough for a relaxing bath.
Overall Height
Step-over height affects ease of entry. The 20201-LA-0 has an overall height of 20.3 inches. The 1957-RA-0 stands at 21 inches tall. The difference is 0.7 inches, which is minimal. However, the 20201-LA-0 is marketed as having a convenient 19-inch step-over height. The 1957-RA-0 is slightly taller overall. For elderly users or those with mobility issues, the lower profile of the 20201-LA-0 might be marginally easier to step into. Both are standard alcove heights, so the difference is unlikely to be a major factor for most people.
Weight
Both tubs weigh 128 pounds. This weight is typical for acrylic alcove tubs of this size. The identical weight means they place the same load on your floor structure. You will need a sturdy subfloor to support this weight when filled with water and a person. The weight does not help you distinguish between the two models. Both are made of durable acrylic, which is lightweight compared to cast iron but heavy enough to feel solid. Ensure your floor joists can handle the static and dynamic loads of these 128-pound units.
Which Underscore Tub Fits Your Space
Someone with a tight 30-inch alcove
This model fits exactly into a standard 30-inch wide opening. Its integral flange helps prevent water seepage behind the wall during installation. You get a clean, finished look without needing extra trim. The left-hand drain placement is a specific requirement for many standard bathroom layouts, making this the precise fit for your space constraints.
A user wanting extra legroom
This tub is 32 inches wide, giving you two extra inches of space compared to the other model. That additional width makes a noticeable difference in comfort, especially if you have longer legs or prefer more room to stretch out. The right-hand drain configuration is standard for many right-side plumbing setups, simplifying your installation process.
A buyer prioritizing depth over width
This version offers a 19-inch step-over height while retaining a deep soak capacity. You get the comfort of a standard 21-inch bath depth without the high step-up. The molded lumbar support adds ergonomic comfort. If you prefer a lower entry point for easier access, this specific height specification makes it the more practical choice for your daily routine.
The products compared
Kohler Underscore 60" Alcove Tub
Best for: Narrow alcove bathrooms with left drains
- Type
- alcove
- Material
- Acrylic
- Length
- 60 inches
- Drain Location
- left-hand
- Water Capacity
- 68 gallons
- Soaking Depth
- 19 inches
View on Amazon: Kohler Underscore 60" Alcove Tub Affiliate link
This Kohler Underscore tub measures 60 by 30 inches with a left-hand drain. It holds 68 gallons of water and features a 19-inch soaking depth. The molded lumbar support adds comfort. You will appreciate the integral apron and flange for a clean look and easier installation. It is designed for standard alcove bathrooms.
Pros
- 19-inch step-over height for easier access
- 68-gallon water capacity for deep soaking
- Molded lumbar support for added comfort
- Integral flange helps prevent water seepage
Cons
- 30-inch width is narrower than standard 32-inch models
- Left-hand drain limits placement options
- 128-pound weight requires sturdy floor support
Good fit if
- You need a left-hand drain configuration
- You prefer a narrower 30-inch width
- You want a simple alcove installation
Skip if
- You require a right-hand drain
- You prefer a wider 32-inch tub
- You need a deeper 21-inch soak
Verdict: Kohler Underscore 60x30 Left Drain suits those who need a left drain and a narrower footprint. It offers deep soaking in a compact alcove design.
Kohler Underscore 60x32 Alcove Tub
Best for: Right-drain alcove spaces needing deep soaking
- Type
- alcove
- Material
- acrylic
- Length
- 60 inches
- Drain Location
- right-hand
- Water Capacity
- 68-gallon
- Mount Type
- alcove
View on Amazon: Kohler Underscore 60x32 Alcove Tub Affiliate link
This 60 by 32 inch alcove bath offers a deep soaking experience with a 68-gallon capacity. It features molded lumbar support and a sloped backrest for comfort. The white acrylic construction includes a right-hand drain and integral flange for installation. It suits those who want a modern, clean look in a standard alcove space.
Pros
- 68-gallon water capacity for deep soaking
- Molded lumbar support and sloped backrest
- Right-hand drain configuration
- Durable acrylic construction
Cons
- 32-inch width is narrower than the 30-inch model listed
- Heavier at 128 pounds
- Limited to alcove installation only
Good fit if
- You need a right-drain tub for your plumbing layout
- You prefer a wider 32-inch soaking surface
- You want integrated lumbar support for comfort
Skip if
- You require a left-hand drain configuration
- You need a freestanding or drop-in tub style
- You prefer a lighter tub for easier handling
Verdict: Kohler Underscore 60x32 Alcove Tub provides a comfortable, deep soak in a right-drain alcove setup. It fits buyers who prioritize back support and a wider basin in a standard bathroom footprint.
Specifications side by side
| Spec | Kohler Underscore 60" Alcove Tub | Kohler Underscore 60x32 Alcove Tub |
|---|---|---|
| Type | alcove | alcove |
| Material | Acrylic | acrylic |
| Length | 60 inches | 60 inches |
| Drain Location | left-hand | right-hand |
| Water Capacity | 68 gallons | 68-gallon |
| Soaking Depth | 19 inches | not stated |
| Mount Type | alcove | alcove |
| Color | White | White |
| Dimensions | 60 × 30 × 20.3 inches | 60 × 32 × 21 inches |
| Weight | 128 pounds | 128 pounds |
| Model | 20201-LA-0 | 1957-RA-0 |
Frequently asked questions
Which tub is better for deep soaking, the 20201-LA-0 or the 1957-RA-0?
The Kohler 1957-RA-0 offers a deeper soak. Its height reaches 21 inches, compared to the 20201-LA-0’s 20.3 inches. This extra depth allows for more water volume. You will feel more submerged. Both models provide a deep soaking experience, but the wider 1957-RA-0 adds comfort.
Does the Kohler Underscore 60-inch tub come in other colors?
No, both listed models are white. The 20201-LA-0 and 1957-RA-0 are finished in white acrylic. You cannot choose a different color for these specific alcove tubs. The white finish matches standard bathroom fixtures and tile schemes. It provides a clean, classic look for your bathroom.
Are both tubs suitable for narrow bathrooms?
The 20201-LA-0 is ideal for narrow spaces. It measures 30 inches wide, fitting standard alcove openings. The 1957-RA-0 is 32 inches wide. It requires more floor space. If your bathroom is tight, the 30-inch model is the practical choice. The wider model suits larger layouts.
What is the weight difference between the two models?
Both tubs weigh exactly 128 pounds. The weight is identical for the 20201-LA-0 and the 1957-RA-0. This consistency means your floor support requirements remain the same. You do not need to adjust structural plans based on the model choice. The weight comes from the durable acrylic construction.
Can I install the 1957-RA-0 in a left-drain alcove?
The 1957-RA-0 is designed for right-drain configurations. It suits buyers who need a right-side drain. The 20201-LA-0 features a left drain. You must match the drain position to your plumbing. Installing the wrong model may require costly plumbing modifications. Check your drain location before purchasing.
Is the Kohler Underscore tub easy to clean?
Yes, the acrylic surface is smooth and non-porous. Both models feature integral aprons that eliminate crevices. This design prevents dirt and grime from accumulating. You can wipe them down quickly. The white finish shows water spots but cleans easily with mild soap. Regular maintenance keeps the surface looking new.