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Robotic pool cleaner comparison

BWT RC50 vs Dolphin T15

A side-by-side comparison of pool fit, cleaning coverage, filtration, controls and the better Pool Express option.

BWT RC50 Dolphin T15
Better alternative

A stronger Pool Express option

BWT RC50 and Dolphin T15 are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Escape. Inground and above-ground pools up to 30 ft that need floor cleaning.

A better alternative

What we recommend instead

Buying guidance

BWT RC50 or Dolphin T15: our take

BWT RC50 and Dolphin T15 are compared on pool fit, cleaning reach, debris handling, controls and ownership details. The recommendation is based on the job the robot must do—not a simple feature count.

Pool fit and cleaning reach

BWT RC50 is intended for inground pools, while Dolphin T15 is intended for above-ground pools. Dolphin T15 has a published maximum pool length of 30 ft; the other model does not have a verified length in our source material. Each cleans floor, so coverage alone does not separate them. BWT RC50 lists 2 active brushes. Dolphin T15 lists 1 active brush.

Filtration and debris

Dolphin T15 has documented included filtration—Basket—while the other model's included media is not fully published. Dolphin T15 has the better documented path for bulky leaves and larger debris.

Controls and day-to-day ownership

BWT RC50 provides no fully published timer, app or remote specification; Dolphin T15 provides one-touch starts and power-supply controls.

Price, warranty and the decision

BWT RC50 is listed at $1,399 and Dolphin T15 at $649; Dolphin T15 is $750 less. BWT RC50 lists a 3-year warranty compared with 2 years for Dolphin T15. BWT RC50 and Dolphin T15 each have a specific fit, but neither is the Pool Express pick for this job. Our better alternative is Dolphin Escape. Inground and above-ground pools up to 30 ft that need floor cleaning.

Feature check: what each robot actually has

A green check means the feature is documented as included. A red X means it is documented as absent. A dash means the source does not make the feature clear.

Feature BWT RC50 Dolphin T15
Cleans the pool floor Yes Yes
Climbs and cleans walls No No
Scrubs the waterline No No
Fine-debris filter included No No
Large-debris filter No YesEdge
Automatic scheduling Not listed No
Smartphone app Not listed No
Anti-tangle swivel Not listed Not listed
3-year warranty YesEdge No
No recharging between cycles Not listed Yes
Built-in UV-C water treatment No No

Unknown is not treated as “no.” Specifications come from the product pages, current catalog records and manufacturer material collected for this site.

Where BWT RC50 stands out

BWT RC50 is the better fit for inground pools that need floor cleaning.

  • Uses 2 active brushes instead of 1
  • Carries a 3-year warranty instead of 2 years

Where Dolphin T15 stands out

Dolphin T15 is the better fit for shoppers prioritizing the lower $649 starting price.

  • Includes a large-debris bin or bag for leaves
  • Is listed $750 lower

BWT RC50 vs Dolphin T15 specifications

Use pool fit first. Price and app control do not make up for a robot that cannot cover the length or surfaces you need cleaned.

Specification BWT RC50 Dolphin T15
Best fit Inground pools that need floor cleaning. Above-ground pools up to 30 ft that need floor cleaning.
Starting price $1,399 $649
Pool type Inground Above-ground
Maximum pool length Not listed Up to 30 ft
Cleaning coverage Floor Floor
Power Not listed Corded
Filtration Not listed Basket
Scheduling Not listed One-touch start
App and remote Not listed Power-supply controls
Cable Not listed 40 ft
Robot weight Not listed 14 lb
Warranty 3 years 2 years
Final call

Consider the stronger Pool Express option

BWT RC50 and Dolphin T15 are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Escape. Inground and above-ground pools up to 30 ft that need floor cleaning.

Buy Dolphin Escape

Keep comparing without rebuilding the same specification table yourself.