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Features
The BWT Cosmy Star is designed for pool owners who seek the best in robotic pool cleaning technology. Ideal for pools up to 12 metres, this model offers comprehensive cleaning for floor, walls, and the waterline.
The BWT Cosmy Star is a high-performance robotic pool cleaner, designed to deliver exceptional cleaning efficiency for pools up to 12 metres. This model is equipped with advanced planetary gear technology, a two-stage drive system that ensures greater efficiency and precision. Combined with two drive motors and a powerful pump, the Cosmy Star stands out as one of the most reliable robotic pool cleaners on the market, offering unmatched cleaning performance.
One of the key features of the Cosmy Star is its energy efficiency. The rapid and logical travel mode, combined with powerful suction, ensures that the cleaning cycles are short, consume less energy, and deliver a flawless result. This makes the Cosmy Star not only effective but also environmentally friendly and cost-effective, reducing your energy bills while keeping your pool spotless.
Connectivity is another strong suit of the Cosmy Star. It includes a Bluetooth module, allowing you to control the pool robot via the BWT Best Water Home App, available for free on the App Store and Play Store. This app provides complete control at your fingertips, making it ideal for spot cleaning. You can easily direct the Cosmy Star to clean up specific areas, ensuring your pool is clean in moments, which is particularly useful for clearing debris blown into the pool by the wind.
The Cosmy Star’s design emphasises user convenience. It is lightweight (5.75 kg), making it easy to handle and remove from the pool. The quick-drain system rapidly expels water, further reducing the pool robot cleaner’s weight for easier lifting. Additionally, the top-access filter system simplifies maintenance, allowing for quick and hygienic filter removal and cleaning. The transparent canister window lets you see when the filter needs to be emptied, ensuring the cleaner operates at peak efficiency.
Unlike the other Cosmy models, the Cosmy Star only comes in vibrant yellow.
The Cosmy Star offers an extended warranty, providing peace of mind and ensuring your investment is protected. With its powerful performance, user-friendly features, and aesthetic appeal, the BWT Cosmy Star is an excellent choice for pool owners who want a clean, inviting pool with minimal effort.
Pool Robots Australia is a repairer of the BWT Cosmy Star robotic pool cleaner.
Returns & Exchanges Policy We want you to be completely satisfied with your purchase from Pool Robots Australia. If you're not completely satisfied, or change your mind, we offer a 30-day return/exchange policy. This means you have 30 days from the date you receive your item to request a return or exchange. For further details, see our Returns and Exchanges. .
Pool Robots Australia ships exclusively within Australia. We do not offer international shipping or express shipping services. We offer free shipping on all orders over $800. For further information on Shipping Costs, Delivery Timeframes and Processing Times, see our Shipping Policy.
Comparison Table | |||||||||||||||||||||
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Pool Surface |
tiles, pebblecrete, quartzon, concrete, fibreglass and vinyl
|
concrete, tiles, quartzon, pebblecrete, fibreglass and vinyl
|
tiles, pebblecrete, quartzon, concrete, fibreglass and vinyl
|
tiles, pebblecrete, quartzon, concrete, fibreglass and vinyl
|
tiles, pebblecrete, quartzon, concrete, fibreglass and vinyl
|
tiles, pebblecrete, quartzon, concrete, fibreglass and vinyl
|
tiles, pebblecrete, quartzon, concrete, fibreglass and vinyl
|
tiles, pebblecrete, quartzon, concrete, fibreglass and vinyl
|
tiles, pebblecrete, quartzon, concrete, fibreglass and vinyl
|
tiles, pebblecrete, quartzon, concrete, fibreglass and vinyl
|
tiles, pebblecrete, quartzon, concrete, fibreglass and vinyl
|
tiles, pebblecrete, quartzon, concrete, fibreglass and vinyl
|
tiles, pebblecrete, quartzon, concrete, fibreglass and vinyl
|
fibreglass, concrete, pebblecrete, quartzon, vinyl and tiles
|
concrete, pebblecrete, quartzon, fibreglass, vinyl and tiles
|
tiles, pebblecrete, quartzon, concrete, fibreglass and vinyl
|
tiles, quartzon, pebblecrete, concrete, fibreglass and vinyl
|
tiles, pebblecrete, quartzon, concrete, fibreglass and vinyl
|
tiles, pebblecrete, quartzon, concrete, fibreglass and vinyl
|
most spa surfaces; refer to manufacturer’s datasheet
|
fibreglass, vinyl, quartzon, concrete, and pebblecrete (not tiles)
|
Ideal Pool Size |
up to 10m x 5m
|
up to 12m x 6m
|
12m
|
14m
|
12m
|
up to 15m
|
up to 10m
|
up to 8m including above-ground pools
|
up to 10m x 5m
|
up to 15m
|
up to 15m
|
up to 10m
|
up to 12m
|
up to 10m x 5m
|
up to 12m x 6m
|
up to 12m x 6m
|
up to 15m x 7m
|
up to 12m x 6m
|
up to 12m x 6m
|
up to 3m x 3m spas
|
up to 10m x 5m
|
Cleaning Coverage |
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline
|
floor only
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, seats & waterline
|
floor & walls
|
Filter Type |
dual-stage filtration (150μ/60μ filter canisters)
|
dual-stage filtration (150μ/60μ filter canisters; others available)
|
ultrathin double
|
ultrathin double
|
ultrathin double
|
multi-layer; interchangeable fine & coarse filters; filter full indicator
|
dual-stage filtration; ultra-fine filter
|
single-stage filtration
|
interchangeable fine & ultra-fine filters
|
multi-layer; interchangeable fine & coarse filters; filter full indicator
|
multi-layer; interchangeable fine & coarse filters; filter full indicator
|
single-layer fine filter; upgrade ultra-fine optional
|
multi-layer; interchangeable fine & ultra-fine filters
|
dual-stage filtration (150μ/60μ filter canister)
|
dual-stage filtration (150μ/60μ filter canister)
|
dual-stage filtration (150μ/60μ filter canister)
|
dual-stage filtration (150μ/60μ filter canister)
|
dual-stage filtration (150μ/60μ filter canister)
|
dual-stage filtration (150μ/60μ filter canister)
|
single-stage filtration (100μ filter canister)
|
single-stage filtration (200μ filter canister)
|
Filter Capacity |
4L
|
5L
|
3L
|
3L
|
5L
|
4L
|
4L
|
3L
|
3L
|
4L
|
4L
|
3L
|
4L
|
4L
|
4L
|
5L
|
5L
|
4L
|
4L
|
1L
|
3L
|
Debris Type |
large debris and fine particles
|
large debris and fine particles
|
medium debris and fine particles
|
medium debris and fine particles
|
medium debris and fine particles
|
large debris and fine particles
|
large debris and fine particles
|
medium debris and fine particles
|
large debris and fine particles
|
large debris and fine particles
|
large debris and fine particles
|
large debris and fine particles
|
large debris and fine particles
|
large debris and fine particles
|
large debris and fine particles
|
large debris and fine particles
|
large debris and fine particles
|
large debris and fine particles
|
large debris and fine particles
|
medium debris and fine particles
|
medium debris and fine particles
|
Number of Cycles |
floor, walls & waterline; floor only
|
floor, walls & waterline; floor only
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline; floor only
|
floor, walls & waterline
|
floor only
|
floor, walls & waterline; floor only
|
floor, walls & waterline; floor only
|
floor, walls & waterline; floor only
|
floor, walls & waterline
|
floor, walls & waterline
|
floor, walls & waterline; floor only
|
floor, walls & waterline; floor only
|
floor, walls & waterline; floor only; custom
|
floor, walls & waterline; floor only; waterline; custom
|
floor, walls & waterline; floor only; smart cycle; waterline
|
floor, walls & waterline; floor only; smart cycle; waterline
|
single program; floor, seats & waterline
|
floor & walls
|
Cleaning Cycle |
2.5 hours; weekly timer
|
2.5 hours; weekly timer
|
1.5, 2, 2.5 hours; scheduling
|
1.5, 2, 2.5 hours; scheduling
|
1.5, 2, 2.5 hours; scheduling
|
2 hours / 1 hour fast mode; weekly timer
|
2 hours; weekly timer
|
1.5 hours
|
1.5 hours or Eco mode floor only 3 x 30 mins
|
2 hours / 1 hour fast mode; weekly timer
|
2 hours / 1 hour fast mode; weekly timer
|
2 hours; weekly timer
|
1/1.5/2/2,5 hours; weekly timer
|
2.5 hours
|
2.5 hours
|
3.5 hours; programmable
|
3.5 hours; programmable
|
2.5 hours, programmable
|
2.5 hours, programmable
|
60 mins
|
2.5 hours
|
Connectivity |
no
|
smartphone via iAquaLink™ app & WiFi
|
smartphone via BWT Home app
|
smartphone via BWT Home app
|
smartphone via BWT Home app
|
smartphone via MyDolphin Plus app & WiFi
|
no
|
no
|
smartphone via MyDolphin Plus app & WiFi
|
smartphone via MyDolphin Plus app & WiFi
|
smartphone via MyDolphin Plus app & WiFi
|
no
|
smartphone via MyDolphin Plus app & WiFi
|
no
|
smartphone via iAquaLink™ app & WiFi
|
smartphone via iAquaLink™ app & WiFi
|
smartphone via iAquaLink™ app & WiFi
|
smartphone via iAquaLink™ app & WiFi
|
smartphone via iAquaLink™ app & WiFi
|
no
|
no
|
Cable or Cordless |
cable
|
cable
|
cable
|
cable
|
cable
|
cable
|
cable
|
cable
|
cordless
|
cable
|
cable
|
cable
|
cable
|
cable
|
cable
|
cable
|
cable
|
cordless
|
cordless
|
cordless
|
cable
|
Cable Length |
15m
|
18m
|
16m
|
18m
|
16m
|
18m
|
15m
|
12m
|
N/A
|
18m
|
18m
|
15m
|
18m
|
15m
|
18m
|
18m
|
21m
|
N/A
|
N/A
|
N/A
|
16.5m
|
Cable Swivel |
yes
|
yes
|
no
|
no
|
no
|
yes
|
no
|
no
|
N/A
|
yes
|
yes
|
no
|
no
|
yes
|
yes
|
yes
|
yes
|
N/A
|
N/A
|
N/A
|
no
|
Caddy / Charging Station |
caddy/trolley
|
caddy/trolley
|
no
|
no
|
caddy
|
caddy/trolley
|
optional caddy/trolley
|
optional caddy/trolley
|
charging station
|
caddy/trolley
|
caddy/trolley
|
optional caddy/trolley
|
caddy/trolley
|
no
|
caddy/trolley
|
caddy/trolley
|
caddy/trolley
|
charging station
|
charging station
|
charging station
|
caddy/trolley
|
Special Features |
front & rear brush; caddy/trolley
|
4-wheel (4WD) drive, 3 motors, front & rear brushes
|
battery compatible
|
battery compatible
|
4 PVA + vibrating brushes
|
active brush, front & rear; dual drive motors; PowerStream Mobility System
|
active brush, front & rear
|
—
|
5.0Ah lithium-ion battery; Click-Up™ remote for retrieval
|
active brush, front & rear; dual drive motors
|
active brush, front & rear; dual drive motors; PowerStream Mobility System
|
active brush, front only
|
active brush, front & rear
|
active brush, front only
|
active brush, front & rear brushes, 3 motors
|
4-wheel (4WD) drive, 3 motors
|
4-wheel (4WD) drive, 3 motors
|
9.6Ah lithium-ion battery; fast charging time of less than 5 hours and 2.5+ hours of runtime per charge
|
LiFi hand-held remote & 9.6Ah lithium-ion battery; fast charging time of less than 5 hours and 2.5+ hours of runtime per charge
|
6Ah lithium-ion battery; fast charging time of less than 4 hours; float finish retrieval
|
caddy/trolley; front brush only
|
Weight |
8kg
|
10kg
|
5.75kg
|
5.75
|
5.75
|
11.5kg
|
7.5kg
|
6.5kg
|
8.1kg
|
11.5kg
|
11.5kg
|
6.5kg
|
7.5kg
|
9.5kg
|
9.5kg
|
10kg
|
10kg
|
9kg
|
9kg
|
2.5kg
|
5.5kg
|
Warranty* |
2 years or 800 running hours on motor block, whichever comes first; 1 year on filter canister, tyres, tracks & roller brush
|
3 years or 1200 running hours on motor block, whichever comes first; 1 year on filter canister, tyres, tracks & roller brush
|
2 years; 1 on cable, motor & power supply
|
2 years; 1 on cable, motor & power supply
|
2 years; 1 on cable, motor & power supply
|
3 years (limited)
|
2 years (limited)
|
2 years (limited)
|
3 years (limited); Maytronics for Life program
|
3 years (limited)
|
3 years (limited)
|
2 years (limited)
|
2 years (limited)
|
2 years or 800 running hours on motor block, whichever comes first; 1 year on filter canister, tyres, tracks & roller brush
|
2 years or 800 running hours on motor block, whichever comes first; 1 year on filter canister, tyres, tracks & roller brush
|
3 years or 1200 running hours on motor block, whichever comes first; 1 year on filter canister, tyres, tracks & roller brush
|
3 years or 1200 running hours on motor block, whichever comes first; 1 year on filter canister, tyres, tracks & roller brush
|
3 years or 1200 running hours on motor block, whichever comes first; 1 year on filter canister, tracks & roller brush
|
3 years or 1200 running hours on motor block, whichever comes first; 1 year on filter canister, tracks & roller brush
|
2 years; 1 year on wearable parts (filter canister, roller & side brushes)
|
2 years; 1 year on filter canister, tracks & roller brush
|
Repair Agent |
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
Availability |
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
no; see Maytronics Active X6
|
no; see Maytronics Active X6
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
yes
|
Not sure which robotic cleaner is right for your pool? Is your pool robot repair worth the money?
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Whether you need assistance in selecting a new cleaner or troubleshooting an existing one, we have you covered.
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Product | SKU | Description | Collection | Availability | Product Type | Other Details |
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