
iRobot Roomba 104 Combo Robot Vacuum & Mop with AutoEmpty Dock
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Our take on the iRobot Roomba 104 Combo Robot Vacuum & Mop with AutoEmpty Dock
The Roomba 104 Combo is iRobot's mid-range robot that vacuums and mops, and it ships with an AutoEmpty dock. The dock holds a bag that traps 99% of allergens as small as 0.7 microns and is rated for up to 75 days of hands-free cleaning. It maps with ClearView LiDAR, steers around obstacles, and has cliff sensors for stairs. A microfiber pad mops, and the robot detects carpet and avoids it so rugs stay dry. The app sets vac-only, mop-only or combo runs, room targets, passes, suction and solution amount. Against pricier Roomba Combo models it gives up the retractable mop lift and self-washing, but the carpet avoidance and bagged dock cover the basics. It suits homes with a mix of hard floors and rugs that want low-effort daily upkeep.
- AutoEmpty dock with an allergen-trapping bag rated for up to 75 days
- LiDAR mapping with obstacle avoidance and stair sensors
- Detects carpet and avoids it while mopping
- Separate vac, mop and combo modes with adjustable passes and suction
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About the iRobot Roomba 104 Combo Robot Vacuum & Mop with AutoEmpty Dock
The Roomba 104 Combo is a robot vacuum and mop that comes with an AutoEmpty dock. The robot empties itself into the dock, which holds up to 75 days of debris in a bag. The bag traps 99% of allergens as small as 0.7 microns. To empty it, you lift out the used bag, throw it away and put in a new one.
Cleaning uses four stages: suction with 70X more power-lifting than Roomba 600 series robots, an edge-sweeping brush that cleans edges and corners 20% better, a multi-surface brush, and a washable, reusable microfiber mop pad. A micro-pump controls water flow to keep the pad evenly moist. You can use water or a compatible cleaning solution. SmartScrub gives 2X deeper scrubbing than the standard mop mode.
ClearView LiDAR maps the home and steers the robot around obstacles, and sensors keep it from falling down stairs. It detects carpets and avoids them while mopping. You can choose vacuum only, mop only, or vacuum and mop together. You can also schedule cleans, target rooms, and set the number of passes, the suction level and the amount of mopping solution. Control it with the Roomba Home app, the buttons on the robot, or a voice assistant.
- Model
- Roomba 104 Combo Robot + AutoEmpty Dock (Y351020)
- Color
- Black
- Cleaning modes
- Vacuum only, mop only, or vacuum and mop together
- Cleaning system
- 4-stage: power-lifting suction, edge-sweeping brush, multi-surface brush, microfiber mop pad
- Mop pad
- Washable, reusable microfiber
- Navigation
- ClearView LiDAR mapping, obstacle avoidance, stair-drop sensors
- Dock
- AutoEmpty dock, holds up to 75 days of debris
- Dock bag
- Traps 99% of allergens as small as 0.7 microns
Questions and answers
- Does it really avoid carpets while mopping?
- iRobot says the robot detects carpet and steers around it in mop mode, so rugs stay dry without programming. It is detection-based, not a lifting mop, so a thin rug edge can still be a limit.
- How long does the dock bag last?
- iRobot rates the AutoEmpty bag for up to 75 days of hands-free cleaning. The bag traps 99% of allergens as small as 0.7 microns, and you swap it when full.
- Can I vacuum and mop at the same time?
- Yes. The app offers vac only, mop only and combo vac-mop modes, and you can set passes, suction and how much solution goes onto the pad.
- Does it map my home?
- Yes. ClearView LiDAR maps rooms so you can target specific rooms and schedule cleans. It also uses sensors to avoid obstacles and to stop at stairs.
- What is in the box?
- The robot, the AutoEmpty dock, a microfiber mop pad and a dock bag. iRobot does not list extra pads or bags beyond that.
- How does it compare with the Roomba Combo j7?
- The j7 lifts its mop arm up over carpets; the 104 Combo instead detects and avoids carpet while mopping. The 104 Combo adds a bagged AutoEmpty dock, while the j7's dock is bagless.















