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Miele Triflex HX3 Plus Aqua Cordless Stick Vacuum – Obsidian Black

By Miele

Sale price $999.20 Regular price $1,249.00
Shipping calculated at checkout.

Pickup available at Geek Vacuums Saratoga

Usually ready in 24 hours

Features That Make Everyday Cleaning Easier

Every floorhead in one box

Electrobrush for carpet, soft roller for wood, AquaTwister for washing tile and vinyl. One machine, one charger, and the right head for every room.

Finish the whole house in one session

When the first battery runs down, swap in the second and keep going. No stopping halfway through to wait on a charger.

You can see what you are cleaning

BrilliantLight LEDs on the electrobrush throw light across the floor ahead of you, and the AquaTwister adds a 360-degree SpotLight ring that shows up film and dried-on marks.

It adjusts so you don't have to

FloorDetect senses whether you are on carpet or a hard floor and changes suction as you cross the room, so you are not stopping to press anything.

Three shapes for three jobs

The patented 3-in-1 design reconfigures in seconds: Comfort for open floors, Reach for getting under furniture, and Compact as a handheld for stairs, upholstery and the car.

Description

Engineered in Germany, the Triflex HX3 Plus Aqua is the top of the HX3 line: everything in the series in one box. It pairs the MultiFloor XXL SEB 436 electrobrush with BrilliantLight for dry vacuuming with the AquaTwister wet-cleaning attachment for water-resistant hard floors, adds the Hardfloor Care Tool soft roller, and ships with two removable batteries for up to 140 minutes of total runtime.

Key Features

  • AquaTwister wet-cleaning attachment — dual rotating pads fed by a removable 10 fl oz (300 ml) water tank, with 3 adjustable water levels and 360° Brilliant Light illumination to lift dried-on dirt from hard floors
  • Two batteries, up to 140 minutes of runtime — two removable VARTA lithium-ion batteries at up to 70 minutes each; with the MultiFloor XXL electrobrush running, 38 minutes per battery on low or 15 on high
  • Hardfloor Care Tool — a soft roller for gentle dry cleaning of wood, tile and other hard floors
  • Over 99.99% dust pickup for a thorough, hygienic deep clean
  • HEPA lifetime filter with 99.999% exhaust air filtration — ideal for allergy and asthma sufferers
  • Patented 3-in-1 design — Comfort, Reach, and Compact modes for any cleaning task
  • FloorDetect technology automatically adjusts suction power for carpet vs. hard floors
  • BrilliantLight LED headlights on the electrobrush reveal hidden dust and debris
  • Boost Mode for fast, high-power cleaning of heavily soiled areas
  • Twist2open dust container empties hygienically with almost zero dust contact
  • Free-standing park position with the electrobrush attached — no wall bracket needed for quick breaks
  • Note: dry vacuuming and wet mopping are separate jobs — swap floorheads between the two rather than doing both at once, and never draw liquid into the dry-vacuum system. The Triflex does not stand on its own with the AquaTwister attached; use the included storage tray between uses.

What's Included

  • MultiFloor XXL SEB 436 electrobrush with BrilliantLight
  • AquaTwister wet-cleaning attachment
  • 2 AquaPads + 17 fl oz (500 ml) Miele FloorClean universal cleaning solution + AquaTwister storage tray
  • Hardfloor Care Tool (soft roller)
  • Second lithium-ion battery (2 in total)
  • HX-AH accessory holder
  • HX-DB dusting brush
  • XL HX-UN upholstery nozzle
  • HX-CN crevice nozzle
  • Wall mount
  • Power supply unit (charger)

Specifications

Weight 8 lbs (3.6 kg)
Dimensions 51⅛" H x 10¼" W x 11" D
Battery 25.2V Li-ion, 2500 mAh (2 batteries included)
Charging time 240 minutes (~4 hrs) per battery
Dust container 0.5 L (0.02 cu ft)
Noise level 74 dB
Cleaning area Up to ~1,720 sq ft (160 m²) per battery, ~3,440 sq ft with both — dry vacuuming
Model 12878520
EAN 4002516922599

Download the full Miele Triflex HX3 Plus Aqua spec sheet (PDF, model 12878520)

Good to know

If one battery covers your home and you don't need the soft roller, the Triflex HX3 Aqua gives you the same AquaTwister wet cleaning for less. If you only need dry cleaning, the Triflex HX3 Plus has the same two batteries and soft roller without the AquaTwister.

Backed by Miele's manufacturer warranty. Questions before you buy? Our team at Geek Vacuums is happy to help you choose the right setup for your home.

Specs

Model: 12878520 (Triflex HX3 Plus Aqua)
Product Type Code: SWDL0
Previous Material Number: 41WDL036USA
EAN: 4002516922599
Color: Obsidian Black
Vacuum Type: Cordless stick, bagless
Dry/Wet Cleaning: Both
Dust Pickup: Over 99.99% (IEC 62885-4:2024)
Filtration: HEPA lifetime filter, 99.999% (IEC 62885-4:2020 / EN 1822-1:2019)
Filter System: ComfortClean
Motor: Digital Efficiency Motor with Vortex Technology
Suction Control: 3 electronic power levels with display, plus Boost Mode
Battery: 25.2V lithium-ion, 2,500 mAh (VARTA, removable)
Batteries Included: 2
Runtime, PowerUnit only (low): 2 x 70 minutes (up to 140 minutes)
Runtime with electrobrush (low): 2 x 38 minutes
Runtime with electrobrush (high): 2 x 15 minutes
Charging Time: 240 minutes (approx. 4 hours) per battery
Cleaning Area: Up to approx. 1,720 sq ft (160 m2) per battery (dry), approx. 3,440 sq ft with both
Dust Container Capacity: 0.5 L (0.02 cu ft)
Weight: 8 lbs (3.6 kg)
Dimensions: 51-1/8 in H x 10-1/4 in W x 11 in D
Noise Level: 74 dB
Patent: DE 10 2016 105 475 B4
Made in: Germany

Included Floorheads:
MultiFloor XXL SEB 436 electrobrush with BrilliantLight
AquaTwister wet-cleaning attachment
Hardfloor Care Tool (soft roller)

Standard Accessories:
Second lithium-ion battery
2 AquaPads
17 fl oz (500 ml) Miele FloorClean universal cleaning solution
AquaTwister storage tray
HX-AH accessory holder
HX-DB dusting brush
XL HX-UN upholstery nozzle
HX-CN crevice nozzle
Wall mount
Power supply unit
Note: cleaning brush not included

Additional Features:
Patented 3-in-1 design (Comfort, Reach, Compact modes)
FloorDetect automatic suction adjustment
Boost Mode for heavily soiled areas
BrilliantLight LED headlights
360-degree SpotLight illumination on AquaTwister
3 adjustable water levels
Display showing remaining runtime
Twist2open hygienic dust container
Free-standing park position (with electrobrush attached)

EMPTY DOM REMOVE PROTECTOR
FAQ's

How is the Plus Aqua different from the Triflex HX3 Aqua?

They share the same machine and the same AquaTwister. The Plus Aqua adds the Hardfloor Care Tool soft roller, a second battery for up to 140 minutes of total runtime, and the HX-AH accessory holder. If one battery covers your home, the HX3 Aqua is the value pick.

How long does it run with both batteries?

Miele rates each battery at up to 70 minutes with the PowerUnit on its own at the lowest setting, so up to 140 minutes across both. With the MultiFloor XXL electrobrush attached, expect 38 minutes per battery on low and 15 minutes on high. Each battery takes 240 minutes, about 4 hours, to fully recharge.

What floors can I use the AquaTwister on?

Water-resistant hard floors such as sealed tile, stone, laminate and vinyl. The dual rotating pads have three adjustable water levels, so you can dial back moisture on more sensitive surfaces. It is not intended for unsealed wood or for carpet.

Is it good for allergy sufferers?

Yes. It picks up over 99.99% of dust, and its HEPA lifetime filter provides 99.999% exhaust air filtration under EN 1822-1:2019, so fine particles stay in the machine instead of blowing back into the room.

Does it stand up on its own?

Yes, with the MultiFloor XXL electrobrush attached it parks free-standing without a wall bracket. It does not stand on its own with the AquaTwister attached; the AquaTwister has its own storage tray, and a wall mount is included for the vacuum.

When would I use the soft roller instead of the AquaTwister?

The Hardfloor Care Tool is for dry cleaning: it picks up dust and debris gently on hardwood and tile without any water. The AquaTwister is for washing water-resistant floors. Many owners use the roller on wood and the AquaTwister on the kitchen and bathroom tile.

Three machines in one

What the Triflex HX3 does

This is the Triflex the line is built on. Same motor, same HEPA Lifetime Filter and the same 3-in-1 body as every other HX3 — the straightforward kit, without the extra floorheads. If you want Miele suction in a cordless stick and nothing in the box you won't use, this is the one.

Up to 70 min
Runtime
1,720 sq ft
Per charge, approx.
8 lbs
Weight
99.999%
HEPA filtration
Miele Triflex HX3 in Brilliant White shown in Comfort, Reach and handheld modes.
Three ways to hold it

One machine for floors, ceilings and the car

The motor unit unclips and moves. Down at the bottom in Comfort mode the weight sits near the floor, which is where you want it for everyday vacuuming. Up at the top in Reach mode the wand goes under the bed, behind the couch and into ceiling corners without you holding the heavy end overhead. Pull the wand off altogether and the motor unit is a handheld for stairs, upholstery and the inside of the car.

  • Comfort mode keeps the weight down at floor level
  • Reach mode moves the motor to the top for under and above furniture
  • Handheld mode with dusting brush, XL upholstery nozzle and crevice tool
  • Stands up on its own between rooms, so no wall bracket is needed
Woman vacuuming a hard floor in a bright living room with the Miele Triflex HX3 in Brilliant White.
Dry vacuuming

Miele suction, and a filter you never replace

The MultiFloor XXL electrobrush reads the floor underneath it. FloorDetect steps the brush roller up when you move onto carpet and eases it off on hard floors, so you are not stopping to change a setting every time the flooring changes. And what the vacuum picks up stays inside it: the HEPA Lifetime Filter holds 99.999% of exhaust particles and is not sold as a replacement part, because it does not need to be.

  • MultiFloor XXL SEB 431 electrobrush
  • FloorDetect adjusts between carpet and hard floors on its own
  • HEPA Lifetime Filter, 99.999% exhaust filtration, nothing to buy again
  • 0.5-quart bin releases and empties without putting your hand in the dust
Everything included with the Miele Triflex HX3 in Brilliant White.
In the box

Everything you need, nothing you don't

A wall bracket and charger, the accessory holder, and the three hand tools that cover the rest of the house. The Triflex also parks upright on its own, so if you would rather not drill into a wall, you don't have to.

  • MultiFloor XXL electrobrush
  • Dusting brush, XL upholstery nozzle and crevice nozzle
  • Accessory holder HX-AH, wall mount and charger
  • Parks upright on its own — wall mounting is optional

Runtime is Miele's rating for the motor unit at the lowest power setting. With the powered floorhead attached, expect 38 minutes on low and 15 on high.

Full spec comparison

Every model, side by side

All six Triflex HX3 models share the same motor, HEPA lifetime filtration, 0.5-quart bin, FloorDetect, Boost Mode and 3-in-1 body. What separates them is which floorheads and tools come in the box, and whether you get a second battery.

Swipe sideways to compare every model →
Model HX3 Plus AquaHX3 Plus Aqua $1,249 You're viewing this Triflex HX3 AquaTriflex HX3 Aqua $1,049 Explore HX3 PlusHX3 Plus $1,099 Explore HX3 Cat & DogHX3 Cat & Dog $999 Explore HX3 HardfloorHX3 Hardfloor $949 Explore Triflex HX3Triflex HX3 $849 Explore
What it is for
Best forVacuum and mop, whole house Vacuum and mop hard floors Big homes, dry vacuuming Homes with pets Mostly wood and tile Everyday dry vacuuming
ColorObsidian Black Obsidian Black Titanium Pearlfinish Obsidian Black Casa Grey Brilliant White
Floorheads included
ElectrobrushMultiFloor XXL SEB 436
with BrilliantLight
MultiFloor XXL SEB 436
with BrilliantLight
MultiFloor XXL SEB 436
with BrilliantLight
MultiFloor XXL SEB 436
with BrilliantLight
MultiFloor XXL SEB 436
with BrilliantLight
MultiFloor XXL SEB 431
no headlight
AquaTwister wet floorhead✓ ✓ — — — —
Hardfloor Care Tool soft roller✓ — ✓ — ✓ —
Electro Compact pet brush HX-EC 10— — — ✓ — —
Batteries
Batteries included2 1 2 1 1 1
Runtime — motor unit onlyUp to 140 min Up to 70 min Up to 140 min Up to 70 min Up to 70 min Up to 70 min
Runtime — powered floorhead Low / High76 / 30 min 38 / 15 min 76 / 30 min 38 / 15 min 38 / 15 min 38 / 15 min
Cleaning area per charge~3,440 sq ft ~1,720 sq ft ~3,440 sq ft ~1,720 sq ft ~1,720 sq ft ~1,720 sq ft
Also in the box
Dust brush, XL upholstery and crevice nozzle✓✓✓✓✓✓
Accessory holder HX-AH✓ — ✓ ✓ ✓ ✓
Wall mount and power supply✓✓✓✓✓✓
AquaPads2 pads 2 pads — — — —
FloorClean solution17 fl oz 17 fl oz — — — —
AquaTwister storage tray✓ ✓ — — — —
Wet cleaning and convenience
AquaTwister water levels3 + Boost 3 + Boost — — — —
Self-standingWith Electrobrush With Electrobrush Yes Yes Yes Yes

Runtimes are Miele's ratings at the lowest power setting. Dust pickup is over 99.99%; HEPA exhaust air filtration is 99.999%.

Not sure which vacuum is best for your home?  We’re happy to help!

Chat with a real Vacuum Geek — 
we’ll help you choose the right model
and let you know the best price.

Not sure which vacuum is right?
We’re happy to help!

Chat with a real Vacuum Geek — 
we’ll help you choose the right model
and let you know the best price.