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Casta DIVA Elongated One-Piece Toilet vs Casta DIVA Compact Round Toilet: Spec Comparison

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When choosing between a casta diva elongated one piece toilet vs compact round toilet, you face a clear trade-off between bowl shape and seat height. Both models share a one-piece design, dual-flush mechanism, and strong flush performance. The main difference lies in the bowl shape and comfort height. You must decide which configuration best fits your bathroom layout and your physical needs for daily use.

Key differences

AspectCasta Diva Elongated One-Piece ToiletCasta Diva Compact Round Toilet
Bowl ShapeElongatedRound
Seat Height17.5 inches16.25 inches
Liquid Flush Volume1.0 GPF0.8 GPF
Depth25.4 inches24.5 inches
ColorSilver ButtonWhite

Which one should you choose?

Choose Casta Diva Elongated One-Piece Toilet if

  • You need an ADA-compliant seat height of 17.5 inches for easier standing.
  • You prefer an elongated bowl for more seating space.
  • You want a slightly deeper bowl that extends further into the room.

Choose Casta Diva Compact Round Toilet if

  • You have a small bathroom and need a shorter 24.5-inch depth.
  • You want the most water-efficient liquid flush at 0.8 GPF.
  • You prefer a standard round bowl shape for tighter spaces.

Verdict: Choose the elongated model if you prioritize comfort height and a larger bowl shape. The compact round version is the better choice for tight bathrooms and maximum water savings. Both provide reliable one-piece construction and strong flush performance.

Elongated vs Compact Toilet Specs

Bowl shape

Edge: Tie

You need to decide between comfort and footprint. The Casta Diva Elongated One-Piece Toilet features an elongated bowl. This shape typically offers more room and is often preferred for general comfort. The Casta Diva Compact Round Toilet uses a round bowl. Round bowls are shorter from front to back. This design is chosen to save floor space. If you have a small bathroom, the round bowl helps fit the toilet more easily. The elongated model requires more clearance in front of the toilet. Your choice depends on whether you prioritize seating comfort or space efficiency.

Seat height

Edge: Casta Diva Elongated One-Piece Toilet

Seat height affects how easy it is to sit and stand. The Casta Diva Elongated One-Piece Toilet has a seat height of 17.5 inches. This is considered ADA compliant comfort height. It is taller and can be easier for seniors or taller users. The Casta Diva Compact Round Toilet has a seat height of 16.25 inches. This is also described as comfort height but is slightly lower. The difference is 1.25 inches. If you have mobility issues, the taller 17.5-inch seat may provide better support. The lower 16.25-inch seat is still easier than standard toilets but may feel slightly lower.

Dimensions and depth

Edge: Casta Diva Compact Round Toilet

Physical size determines how the toilet fits in your bathroom. The Casta Diva Elongated One-Piece Toilet measures 25.4 inches in length. It is wider at 14.6 inches and 26.6 inches tall. The Casta Diva Compact Round Toilet is shorter at 24.5 inches in length. It is narrower at 14.1 inches and taller at 27.5 inches. The compact model saves nearly one inch of depth. This extra space can be useful in tight layouts. The elongated model is slightly wider, which may affect placement near walls. Check your available space carefully before deciding.

Flush volume

Edge: Casta Diva Compact Round Toilet

Water usage varies between the two models. The Casta Diva Elongated One-Piece Toilet uses 1.0 GPF for liquid waste and 1.28 GPF for solid waste. The Casta Diva Compact Round Toilet uses 0.8 GPF for liquid waste and 1.28 GPF for solid waste. Both share the same solid waste flush rate. However, the compact model uses less water for liquid waste. This 0.2 GPF difference adds up over time. If you want to minimize water usage for every flush, the compact model has a slight edge. Both meet EPA WaterSense criteria for efficiency.

Flush performance

Edge: Tie

Both toilets offer strong cleaning power. The Casta Diva Elongated One-Piece Toilet achieves a MaP Flush Score of 1000g. It uses a siphon jet flush with a fully glazed wide trapway. The Casta Diva Compact Round Toilet also achieves a MaP Flush Score of 1000g. It uses a similar siphon jet flush mechanism. Both models are designed to prevent clogs and ensure a clean bowl with one flush. The performance is identical according to the published specifications. You get reliable waste removal with either choice. The fully glazed trapway on both models helps maintain smooth water flow.

Choose based on space and comfort needs

Seniors or tall users needing ease

Our pick: Casta Diva Elongated One-Piece Toilet

The 17.5-inch seat height provides a chair-like position that makes sitting and standing easier for seniors or tall adults. The elongated bowl offers more surface area for comfort. This ADA-compliant height reduces strain on knees and hips during daily use.

Small bathroom owners prioritizing footprint

Our pick: Casta Diva Compact Round Toilet

This compact round toilet measures 24.5 inches deep, saving space in tight layouts. The round bowl extends less into the room than elongated models. It fits well in powder rooms or small baths where every inch of floor space matters for movement.

Users seeking maximum water efficiency

Our pick: Casta Diva Compact Round Toilet

This model offers a 0.8 GPF flush for liquids, which is lower than the 1.0 GPF option on the elongated version. Both meet WaterSense criteria, but the lower liquid flush volume provides slightly better conservation for households focused on minimizing water usage per flush.

Buyers preferring standard ADA height

Our pick: Casta Diva Elongated One-Piece Toilet

With a 17.5-inch seat height, this toilet meets ADA compliance standards. The 16.25-inch height on the compact model is comfortable but falls short of the ADA threshold. If you require certified accessibility features or prefer a higher seat, this elongated one-piece is the better choice.

The products compared

Casta Diva Elongated One-Piece Toilet

Best for: ADA compliance and water conservation needs

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 toilet combines an elongated bowl with a one-piece skirted design. It features a 17.5-inch ADA-compliant seat height and a dual-flush system using 1.0 or 1.28 gallons per flush. The unit includes a soft-close seat and achieves a MaP score of 1000g for effective waste removal. It suits users seeking a high-efficiency, easy-to-clean fixture with accessible seating.

Pros

  • 17.5-inch seat height meets ADA compliance standards
  • Dual-flush system uses 1.0 or 1.28 GPF
  • MaP flush score of 1000g ensures powerful cleaning
  • Skirted one-piece design simplifies surface wiping
  • Includes soft-close seat to prevent slamming

Cons

  • Elongated bowl shape requires more floor space
  • Seat color is limited to silver button finish
  • Only includes a one-year limited warranty

Good fit if

  • You need an ADA-compliant toilet for easier access
  • You want a dual-flush system to conserve water
  • You prefer a one-piece design for easier cleaning

Skip if

  • You require a compact round bowl for tight spaces
  • You need a longer warranty period than one year
  • You prefer a different seat color than silver button

Verdict: Casta DIVA Elongated One-Piece Toilet offers a high MaP score and ADA-compliant height for users prioritizing accessibility and water efficiency. It fits well in bathrooms where space allows for an elongated bowl and where easy maintenance is a priority.

Casta Diva Compact Round Toilet

Best for: Small bathrooms needing space-saving design

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 toilet is designed for tight spaces, measuring just 24.5 inches in length. It features a one-piece design that simplifies cleaning by removing tank-bowl gaps. The dual-flush system offers 0.8 GPF and 1.28 GPF options to balance water savings with performance. With a 1000g MaP score and 16.25-inch seat height, it provides reliable flushing and comfort for most adults in smaller bathrooms.

Pros

  • Compact 24.5-inch depth fits small bathrooms
  • One-piece seamless design for easy cleaning
  • Dual flush options save water without sacrificing power
  • 1000g MaP flush score ensures strong waste removal

Cons

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

Good fit if

  • You need a toilet that fits in a small bathroom
  • You prefer a seamless design for easier maintenance
  • You want water-saving dual-flush options

Skip if

  • You require an elongated bowl for more comfort
  • You need ADA-compliant 17.5-inch seat height
  • You want a longer warranty period

Verdict: Casta DIVA Compact Round One Piece Toilet is a practical solution for small bathrooms where space is limited. It suits buyers who prioritize easy cleaning and water efficiency over the extended length of an elongated bowl.

Specifications side by side

Spec Casta Diva Elongated One-Piece Toilet Casta Diva Compact Round Toilet
Flush Type dual flush, siphon jet Dual Flush
Flush Volume 1.0/1.28 GPF 0.8/1.28 GPF
Rough-In Size 12" 12 inch
Seat Height 17.5" 16.25 inch
Bowl Shape elongated Round
MaP Flush Score 1000g 1000g
Toilet Type one-piece One Piece
Design Style Modern not stated
Target Space Small Bathrooms Small Bathrooms
Color Silver Button White
Shape Elongated not stated
Design One Piece One Piece
Dimensions 25.4 × 14.6 × 26.6 inches 24.5 × 14.1 × 27.5 inches
Model CD-T006 AR03

Frequently asked questions

Which toilet is better for small bathrooms?

The Casta Diva Compact Round Toilet is the better choice for tight spaces. Its length measures 24.5 inches, making it shorter than the elongated model. This compact footprint helps fit the unit into smaller rooms without overwhelming the layout. You get a space-saving design that still offers a one-piece construction for easy cleaning.

Does the elongated model meet ADA requirements?

Yes, the Casta Diva Elongated One-Piece Toilet is designed for ADA compliance. It features a seat height of 26.6 inches, which provides a chair-like position for easier sitting and standing. This accessibility feature makes it suitable for seniors or users with mobility challenges who need a higher, more supportive seat height.

What is the difference in bowl shape?

The primary difference is the bowl shape. The elongated model offers a longer bowl, which typically provides more surface area and comfort. The compact round model features a shorter, rounder bowl. You should choose the elongated version for general comfort and the round version if you need to save floor space.

How wide is each toilet?

The Casta Diva Elongated One-Piece Toilet is 14.6 inches wide. The Casta Diva Compact Round Toilet is slightly narrower at 14.1 inches. Both widths are relatively similar, so the width is not the deciding factor. You should focus on the length and bowl shape when determining which fits your bathroom width constraints.

Are both toilets one-piece designs?

Yes, both models feature a one-piece design. This means the tank and bowl are fused into a single unit. This design eliminates crevices where dirt and grime can accumulate, making both toilets easier to clean. You benefit from a sleeker look and reduced maintenance compared to traditional two-piece toilets.

Which model is taller?

The Casta Diva Compact Round Toilet is taller. It stands at 27.5 inches high. The elongated model is 26.6 inches high. While the difference is less than an inch, the compact round version offers a slightly higher profile. This may matter if you have strict clearance limits above the toilet tank.

What colors are available for these models?

The Casta Diva Elongated One-Piece Toilet is available in Silver Button. The Casta Diva Compact Round Toilet comes in White. You should select the color that best matches your existing bathroom fixtures and decor. The elongated model offers a unique silver tone, while the compact model provides a standard white finish.

Is the elongated toilet ADA compliant?

The Casta Diva Elongated One-Piece Toilet is highlighted for ADA compliance. Its 26.6-inch height aligns with accessibility standards for ease of use. This makes it a practical choice for users who require a higher seat. The compact round toilet does not have this specific compliance noted in its specifications.

See also