Best Casta DIVA Toilets: 4 Models Compared

Quick picks

Our 4 picks

1 Best overall

Casta Diva Air-Pressure ADA One-Piece

Best for: ADA height and hands-free flushing

Flush Type

Air-pressure assisted

Flush Volume

1.0 GPF

Rough-In Size

12"

Seat Height

17.2"

Bowl Shape

Elongated

MaP Flush Score

1000g

View on Amazon: Casta Diva Air-Pressure ADA One-Piece Affiliate link

This Casta DIVA one-piece toilet uses air-pressure-assisted flushing to deliver a powerful 1000g MaP score with just 1.0 GPF. The elongated bowl sits at 17.2 inches, meeting ADA comfort height standards. It includes a foot-kick flush mechanism for hands-free operation. The unit requires no electricity and features a skirted base. It is designed for efficient water use and easy installation with a standard 12-inch rough-in.

Pros

• Air-pressure-assisted flush provides a 1000g MaP score
• 1.0 GPF water usage meets EPA WaterSense criteria
• 17.2-inch ADA compliant seat height for comfort
• Hands-free foot-kick flush operation
• No electricity required for flushing system

Cons

• Single flush volume of 1.0 GPF lacks dual-flush options
• 1-year limited warranty is shorter than typical industry standards
• Foot-kick sensor requires precise positioning for activation

Good fit if

• You need an ADA-compliant height for easier sitting and standing
• You want a powerful flush without using electricity
• You prefer hands-free hygiene with a foot-kick sensor

Skip if

• You require a dual-flush system for water conservation
• You need a longer warranty than one year
• You prefer a round bowl over an elongated shape

Verdict: Casta DIVA Air-Pressure One-Piece Toilet offers strong flushing power and ADA height in a sleek, non-electric design. It is best for users who prioritize hygiene and accessibility over dual-flush versatility.

2 Best premium

Casta Diva Elongated One-Piece Toilet

Best for: ADA-accessible bathrooms

Flush Type

dual flush, siphon jet

Flush Volume

1.0/1.28 GPF

Rough-In Size

12"

Seat Height

17.5"

Bowl Shape

elongated

MaP Flush Score

1000g

View on Amazon: Casta Diva Elongated One-Piece Toilet Affiliate link

This Casta DIVA one-piece toilet features a 17.5-inch ADA-compliant seat height and an elongated bowl. It uses a dual-flush system with 1.0 GPF and 1.28 GPF options to save water. The unit includes a soft-close seat and a skirted design for easy cleaning. It is a solid choice for bathrooms needing a taller, space-efficient fixture with strong flush performance.

Pros

• 17.5" ADA-compliant comfort height
• Dual-flush 1.0/1.28 GPF efficiency
• Skirted one-piece design
• Soft-close seat included

Cons

• Wider 14.6-inch body
• 1-year limited warranty only
• Silver button finish

Good fit if

• You need ADA-compliant height
• You want a skirted design
• You prefer dual-flush efficiency

Skip if

• You require a standard 15-inch rough-in
• You need a white finish
• You want a longer warranty

Verdict: Casta DIVA 17.5" ADA Elongated One Piece offers a taller seat and efficient dual flushing for users who prioritize accessibility and water conservation in a compact footprint.

3 Best budget

Casta Diva Elongated One-Piece Toilet

Best for: Water-efficient, ADA-compliant bathroom upgrades

Flush Type

Dual flush

Flush Volume

1.1/1.6 GPF

Rough-In Size

12"

Seat Height

17"

Bowl Shape

Elongated

MaP Flush Score

1000g

View on Amazon: Casta Diva Elongated One-Piece Toilet Affiliate link

This Casta DIVA one-piece toilet features a skirted design and elongated bowl. It offers dual-flush options of 1.1 GPF and 1.6 GPF, meeting WaterSense standards. The 17-inch ADA height seat ensures comfort. With a 1000g MaP flush score, it provides strong siphon performance. The included soft-close seat adds quiet operation. This model suits buyers seeking efficient water use and easy cleaning.

Pros

• Skirted one-piece design for easy cleaning
• Dual-flush system saves water with 1.1/1.6 GPF options
• 1000g MaP flush score for strong performance
• 17-inch ADA height for comfort

Cons

• Standard 12-inch rough-in size limits placement options
• Only includes lifetime technical consulting, not a full warranty
• No mention of automatic lid or seat features

Good fit if

• You want a water-efficient toilet with dual-flush options
• You prefer a skirted design for easier cleaning
• You need an ADA-compliant seat height

Skip if

• You require a longer warranty than technical consulting
• You need a toilet with a different rough-in size
• You prefer a standard bowl shape over elongated

Verdict: Casta DIVA Elongated One-Piece Toilet offers a practical blend of water efficiency and easy maintenance. It fits buyers who value ADA height and a skirted design for simple cleaning.

4 Also great

Casta Diva Compact Round Toilet

Best for: small bathrooms with limited space

Flush Type

Dual Flush

Flush Volume

0.8/1.28 GPF

Rough-In Size

12 inch

Seat Height

16.25 inch

Bowl Shape

Round

MaP Flush Score

1000g

View on Amazon: Casta Diva Compact Round Toilet Affiliate link

This Casta DIVA one-piece toilet is designed for tight spaces, measuring just 24.5 inches deep. It features a round bowl and a 16.25-inch comfort height seat. The dual flush system offers 0.8 or 1.28 GPF options, backed by a MAP 1000g rating for strong waste removal. It includes a soft-close seat and comes with all necessary hardware for standard 12-inch rough-in installation.

Pros

• Compact 24.5-inch depth fits small bathrooms
• Dual flush saves water with 0.8/1.28 GPF options
• MAP 1000g rating ensures powerful siphon jet flush
• 16.25-inch seat height provides comfort for most adults

Cons

• Round bowl shape is shorter than elongated models
• 1-year limited warranty is shorter than lifetime coverage
• Seat height is 0.25 inches lower than ADA standards

Good fit if

• You have a small bathroom with limited floor space
• You prefer a round bowl for a compact footprint
• You want a one-piece design for easier cleaning

Skip if

• You need an elongated bowl for extra comfort
• You require ADA-compliant 17-inch or higher seat height
• You prefer a longer warranty period than one year

Verdict: Casta DIVA Compact Round Toilet is a practical solution for small bathrooms where space is at a premium, offering strong flush performance in a compact footprint.

Specifications side by side

Casta DIVA Toilet Models Compared

The Casta DIVA lineup focuses on ADA-compliant heights and one-piece designs for easy maintenance. The Casta Diva Air-Pressure ADA One-Piece offers strong flushing power in a sleek, non-electric package. It suits users who prioritize hygiene and accessibility over dual-flush versatility. This model features an elongated shape and measures 26.9 inches in length.

Other options target different spaces. The Casta Diva Elongated One-Piece Toilet provides efficient dual flushing for water conservation. The Casta Diva Compact Round Toilet fits small bathrooms with limited space. Its round bowl and 24.5-inch length make it a practical solution. You can choose based on your bathroom size and height needs.

Who Casta DIVA Toilets Suit

Casta DIVA targets specific bathroom needs through distinct shapes and heights. You can choose between elongated bowls for standard comfort or a compact round model for tight spaces. All listed units feature ADA-compliant seat heights, making them suitable for accessibility requirements. The range spans from a 24.5-inch length to a 27.2-inch length. You will find no round ADA options or dual-flush elongated models in this selection. The brand does not offer electric or smart features. This range fits buyers who need reliable, non-electric toilets with specific footprint or height constraints.

How to Choose the Right Casta DIVA Toilet

1. Check Bowl Shape First

   You must decide between elongated and round bowls before buying. Elongated bowls offer more comfort for most users, as seen in the Casta Diva Air-Pressure ADA One-Piece and other elongated models. If you have a tight space, the Casta Diva Compact Round Toilet is a practical alternative. Measure your available floor space carefully. The round model is shorter, fitting better in small bathrooms. The elongated models provide a longer seating surface. Choose based on your comfort preference and physical constraints.

2. Verify ADA Compliance Needs

   Accessibility is a key factor for many buyers. All models in this guide feature ADA-compliant seat heights. The Casta Diva Air-Pressure ADA One-Piece stands at 19.3 inches tall. This height reduces strain for users with mobility issues. The Casta Diva Elongated One-Piece (CD-T006) also offers an accessible height. You should measure the distance from the floor to the top of the seat. Ensure it meets your specific accessibility requirements. Taller seats make sitting and standing easier for elderly users or those with knee problems.

3. Consider One-Piece Design

   All listed Casta DIVA toilets are one-piece designs. This means the tank and bowl are fused together. This design eliminates the gap where dirt and grime can accumulate. It makes cleaning significantly easier compared to two-piece models. You will spend less time scrubbing hard-to-reach areas. The sleek appearance also fits modern bathroom aesthetics. Whether you choose the Air-Pressure model or the Compact Round version, you get this low-maintenance benefit. It is a practical choice for busy households who value hygiene and simple upkeep routines.

4. Match Flush Type to Preference

   Flush mechanisms vary across the lineup. The Casta Diva Air-Pressure ADA One-Piece uses air-pressure technology. This provides strong flushing power without electricity. It is ideal for users who prioritize hygiene and performance. Other models, like the Casta Diva Compact Round Toilet, offer dual-flush options. This allows you to choose between full and partial flushes for water conservation. You should consider your local water restrictions. If you want maximum power, air-pressure is best. If you want to save water, look for dual-flush features.

5. Measure Dimensions Carefully

   Each model has specific dimensions that affect fit. The Casta Diva Air-Pressure ADA One-Piece is 26.9 inches long. The Casta Diva Elongated One-Piece (CD-T005) is 27.2 inches long. The Compact Round Toilet is shorter at 24.5 inches. You must ensure your bathroom has enough clearance in front of the toilet. Check the width and height as well. The Air-Pressure model is 19.3 inches tall. The Compact model is 27.5 inches tall. Accurate measurements prevent installation issues. Always compare these specs against your bathroom layout before purchasing.

Frequently asked questions

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