• Acorn A400
  • Acorn A400
  • Acorn A400
  • Acorn A400
  • Acorn A400
1 5

Acorn A400

Best for Above-Ground and Smaller Inground Pools


The A400 combines powerful cleaning with a 10-meter (33 ft) cord, making it ideal for above-ground pools or smaller inground pools. Its advanced track system grips every surface, so walls and stairs get the same spotless clean as the pool floor.

Features

  • All-Surface Cleaning

    Floors, walls, and even stairs.

  • Sized Right

    Ideal for above-ground or smaller inground pools.

  • Unlimited Runtime

    Keeps cleaning until your pool is done.

  • Basket-Full Alert

    Easy, no-guess maintenance.

Key features
  • TotalPool™

    Full pool clean, covering floor & walls. The most popular mode.

  • FloorPlus™

    Focuses on the floor with edge care.

  • WaterlinePro™

    Targets dirt at the waterline.

  • SmartClean™

    Automatically creates the most suitable cleaning path for your pool.
Manuals

Compact Pool Vacuum

Lightweight design with heavy-duty cleaning power — built to keep small to mid-size pools crystal clear, season after season.

Frequently Asked Questions

What type of pools is the A400 best suited for?

With its 10 m (33 ft) cord, the A400 is ideal for above-ground and smaller inground pools.
How is the A400 driven?

The A400 uses advanced track drive, which gives it strong grip and the ability to climb stairs more confidently than wheel-driven models.
Does the A400 need charging?

No — the A400 is corded, which means it runs directly from mains power. You never need to recharge it, and it keeps going as long as you need.
How do I know when to clean the basket?

The A350 includes a clean basket alert, so you’ll know exactly when it needs attention.
Does the A400 clean stairs as well as walls and floors?

Yes — the advanced track system grips securely, so the A400 can clean floors, walls, and even stairs.
What cleaning modes does the A400 include?

TotalPool™ – Full pool clean, covering floor & walls. The most popular mode.
FloorPlus™ – Focuses on the floor with edge care.
WaterlinePro™ – Targets dirt at the waterline.
SmartClean™ – Customizable program for your pool.
Does the A400 come with a warranty?

Yes, every Acorn® cleaner includes a warranty. (The length may vary by region, so check with your local supplier.

Support that lasts as long as your Acorn®

From setup to seasonal maintenance, our support team is ready to help you get the most from your cleaner. Access manuals, troubleshooting guides, and warranty service anytime so your pool stays ready, season after season.

Get Support