Polaris ERA 820

$899 See It on Amazon

Polaris

Polaris ERA 820 Robotic Pool Cleaner

Name: Polaris ERA 820 Robotic Pool Cleaner
Brand: Polaris
SKU: B0F76DB9ZV
Rating: 3.5 (57 reviews)

3.5 57 Amazon ratings

No App, No Pairing — Press Start And Walk Away
60 Ft Cable With A Low-Torque Watertight Swivel
Cyclonic Vacuum Technology Sustains Suction While Climbing
Large 4-Litre Debris Canister For Longer Runs
Transport Caddy And Protective Cover Included

$899

Last confirmed price.

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Not sure it’s worth the price? Ask a Pool Robot Expert what we’d buy instead

Worth a look

Other Cleaners We’d Consider

Three in-stock cleaners at a similar price, with free shipping and expert support from Pool Robots.

Dolphin Escape

Best for: Above-ground & small pools

CoverageFloor only

Pool sizeUp to 33 ft (above-ground)

Warranty2 years

$768 See this cleaner

Dolphin Cayman

Best for: Best value wall-climber

CoverageFloor, walls & waterline

Pool sizeUp to 50 ft

Warranty2 years

$1079 See this cleaner

Dolphin Quantum

Best for: Best all-around inground pick

CoverageFloor, walls & waterline

Pool sizeUp to 50 ft

Warranty2 years

$1649 See this cleaner

From Polaris

See the Polaris ERA 820 in Action

Video can't play in this browser — watch it on the listing.

ERA 820 Pool Cleaner Fluidra · 0:30

What It Does Best

Why the Polaris ERA 820 Stands Out

Zero-App Push-Button Start

No Wi-Fi passwords or accounts—plug in and press one button for a 2.5-hour clean.

Cyclonic Vacuum Power

Swirling internal airflow prevents leaves from matting flat against the filter screen.

4-Liter Top-Load Canister

Transparent lid and rigid handle make emptying acorns, twigs, and leaves painless.

Floor & Wall Coverage

Tracks and wheels climb vertical walls in inground pools up to 50 feet long.

Active Front Scrubbing

Loosens settled sand and grime across concrete, vinyl, and fiberglass.

No Booster Pump Needed

Runs on low-voltage household power—retiring old pressure-side hoses for good.

Our Take

Who the Polaris ERA 820 Is Really For

Best For

Plug-and-play simplicity with no app to manage

The Bottom Line

Simple push-button cyclonic cleaner for leaf-prone pools up to 50 ft—though at 35.9 lbs without a waterline mode, 16.5-lb Dolphins are far easier to lift.

The ERA 820 is the ERA 842 with the smart features removed and the price cut accordingly. Same cyclonic vacuum, same caddy and cover, same 2.5-hour cycle — you give up app scheduling and get a button instead.

Deliberately simple

Plug it in, press start, come back in 2.5 hours. For a lot of pool owners that's the entire feature set they'll ever use, and skipping the app means there's no account, no firmware update, and no Wi-Fi range problem at the far end of the yard.

The cable and swivel

60 ft covers pools up to 50 ft with slack to spare. The swivel is low-torque and watertight, which is what keeps the cable from corkscrewing itself into a knot over repeated cycles — a genuine weak point on cheaper corded robots.

Capacity

The 4-litre canister is generous for this price band. Combined with cyclonic separation, it means a leafy pool doesn't choke the machine halfway through a cycle.

Another model worth a look

At less than half the lifting weight (16.5 lbs vs. 35.9 lbs) and adding true waterline scrubbing, compare our Dolphin S200 ($999) or Explorer E30 ($999).

Specifications

Polaris ERA 820 Specs

Model Name	ERA 820
Color	Blue
Power Source	ac
Other Special Features of the Product	Weather Resistant
Control Method	Push Button
Capacity	4 liters
Item Dimensions L x W x H	17"L x 16"W x 12"H
Item Weight	35.9 pounds
Hose Length	60 feet
Installation Type	robotic
Model Year	2025
Number of Items	1
Item Highlight	60ft Swivel Cable, Large Canister, Includes Caddy and Cover, for In-Ground Pools
Model Number	FERA820
Manufacturer Part Number	FERA820
GTIN	052337327152

Specifications come from the manufacturer or Amazon listing.

Brand Lineup Comparison

Polaris ERA 820 vs. the Polaris Range

See where this model sits in the Polaris lineup—and whether spending more actually gets you anything useful.

Model	Polaris Polaris Spabot $399 View details	Polaris Polaris P70 $499 View details	Polaris Polaris Pixel $549 View details	Polaris Polaris P724 $599 View details	Polaris Polaris ERA 710 $599 View details	Polaris Polaris Freedom SC $799 View details	Polaris Polaris 8050 Sport $800.92 View details	You're viewing Polaris ERA 820 $899 View details	Polaris Polaris 9550 Sport $999 View details	Polaris Polaris 9650iQ Sport $999 View details	Polaris Polaris ERA 842 $1099 View details	Polaris Polaris PCX 868 iQ $1149 View details	Polaris Polaris 9450 Sport $1149.96 View details	Polaris Polaris Freedom $1199 View details	Polaris Polaris Freedom Plus $1399 View details	Polaris Polaris VRX iQ+ $1499 View details
Power	Cordless (49 Wh battery)	Corded	Cordless (battery)	Corded	Corded	Cordless (battery)	Corded	Corded	Corded	Corded	Corded	Corded	Corded	Cordless (battery)	Cordless (battery)	Corded
Pool size	In-ground spas & above-ground hot tubs	Above-ground & simple in-ground	In-ground	In-ground	In-ground up to 36 ft	In-ground	In-ground up to 40 ft	In-ground up to 50 ft	In-ground up to 60 ft	In-ground up to 60 ft	In-ground	In-ground up to 50 ft	In-ground up to 50 ft	In-ground up to 50 ft	In-ground up to 50 ft	In-ground; 70 ft cable
Coverage	Floor, benches, curves & contoured seating	Floor & cove	Floor	Floor, walls & waterline	Floor & walls	Floor & walls	Floor, walls & tile line	Floor & walls	Floor, walls & waterline	Floor, walls & waterline	Floor & walls	Floor, walls & waterline	Floor, walls & tile line	Floor, walls & waterline	Floor, walls & waterline	Floor, walls & waterline
Control	On-robot slide button	Touch	One-touch button	Touch control	Push button	iAquaLink app	Touch	Push button	Motion-sensing remote	iAquaLink app	Smart app + push button	iAquaLink app + control unit	Touch control	iAquaLink app + on-unit buttons	Hand-held remote + iAquaLink app	iAquaLink app
Filtration	1 L easy-clean canister	Cyclonic vacuum, transparent lid	Cyclonic canister, transparent lid	Cyclonic vacuum, transparent lid	Easy-clean canister	Filter canister	Cyclonic vacuum, 4 L canister	Cyclonic vacuum, 4 L canister	Vortex Vacuum, 5 L canister	Vortex Vacuum, 5 L canister	Cyclonic vacuum, large canister	Large canister, transparent lid	Vortex Vacuum, 5 L canister	Filter canister	Filter canister	Large illuminated canister
Cycle / runtime	60 minutes	As little as 2 hours	Single cycle	As little as 2.5 hours	2.5 hours	2 hours or less	Standard	2.5 hours	5 cleaning modes	Scheduled or on demand	Two modes (floor / floor + wall)	Programmable	As little as 1.5 hours	2.5 hours or less	About 2.5 hours	Seven cleaning modes
Weight	—	22 lb	—	22 lb	—	26.2 lb	—	35.9 lb	43.6 lb	—	—	38.8 lb	—	32 lb	40.8 lb	44 lb
Amazon rating	2.4 (57)	3.7 (37)	3.7 (52)	3.8 (47)	4 (25)	3.7 (50)	3.8 (301)	3.5 (57)	3.9 (1358)	3.8 (639)	4.5 (32)	4.1 (85)	4 (629)	3.6 (214)	4.2 (78)	3.8 (191)
Best for	Hands-free cleaning in spas and hot tubs	Above-ground pools with a cove	The simplest cordless option Polaris makes	The lightest, most affordable Polaris robot	Smaller in-ground pools needing floor and wall coverage	The lightest cordless Polaris	Mid-size pools up to 40 ft	Plug-and-play simplicity with no app to manage	Large pools up to 60 ft	Large pools where you also want app scheduling	The best-reviewed Polaris in the current range	App control with easy one-button retrieval	A fast 1.5-hour cycle on mid-size pools	Cordless cleaning at a lower price than the Freedom Plus	Cordless cleaning with genuine remote control	Large pools needing app control and multiple targeted modes