Polaris P39: In-Depth Review

Polaris P39

The Polaris P39 is a different beast entirely. It is a **pressure-side** cleaner, meaning it requires a dedicated booster pump to operate. While this makes installation more complex, it offers unrivaled power for picking up large debris. It is widely considered the best pressure-side cleaner on the market, combining the classic Polaris reliability with modern aerodynamics and a dual-chamber bag.

Who This Is For

The P39 is the specific choice for:

  • Pools that already have a booster pump installed.
  • Owners dealing with heavy leaf loads and large debris.
  • Those who prefer the reliability of a non-robotic (no electronics in the water) system.
  • Pools where fine dust is less of a concern than acorns and twigs.

Who Should Skip It

Definitely skip this if:

  • You don't have a booster pump: Installing one costs hundreds of dollars. Buy a robotic cleaner instead.
  • You want energy efficiency: Running a booster pump + main pump uses significantly more electricity than a low-voltage robot.

Key Features

  • Pressure-Side Operation: Powered by a dedicated booster pump for massive suction.
  • PosiDrive Chain: Stainless steel chain drive for durable, slip-free traction.
  • Wide Trax Tires: Provides superior grip on walls and floors.
  • TailSweep Pro: Included tail scrubber sweeps the floor without spraying water out of the pool.
  • Dual-Chamber SuperBag: Massive capacity for leaves and large debris.

Detailed Analysis

Hydraulic Power: The P39 uses the water pressure from your booster pump to create a venturi effect, sucking debris into its bag. Because it doesn't have an onboard motor or computer, there are fewer delicate parts to break. It's purely mechanical, which many long-time pool owners prefer for its longevity.

PosiDrive System: Unlike older belt-driven Polaris models (like the 280), the P39 uses a stainless steel chain drive. This eliminates belt stretching and slipping, providing consistent torque to the wheels for better climbing and maneuvering.

Dual-Chamber Bag: The SuperBag collects 40% more debris than standard bags. Its dual-chamber design prevents debris from getting trapped in the intake, ensuring suction remains strong even when the bag is nearly full of leaves.

Pros
  • Unbeatable for large leaves and acorns
  • Extremely durable with few electronic parts
  • TailSweep Pro prevents wet windows/decks
  • Fast cleaning cycles (often under 2 hours)
  • Chain drive is virtually maintenance-free
Cons
  • Requires a dedicated booster pump (high energy cost)
  • Not a 'robotic' cleaner (no smart mapping)
  • Does not filter fine dust as well as cartridges
  • Bag must be emptied frequently during leaf season

Final Verdict

If your pool setup includes a booster pump and you live in a wooded area, the Polaris P39 is likely your best bet. It handles heavy biological debris better than any robotic cartridge cleaner ever could. It's a brute-force tool for a messy job. However, for most modern pools without a booster pump, a robotic cleaner like the Dolphin Nautilus is a more energy-efficient and easier-to-install solution.

Polaris P39

Ready to buy? Get the best price online.

Check Price on AmazonWe may earn a commission on qualifying purchases.
Consider These Alternatives