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Shark AH400 vs AH401 vs AH452 vs AH452W what’s the difference?

They are compact upright vacuum unit, do not have any attachment, such as dusting brush and crevice tool, for above floor cleaning.

image from manufacturer

The 2 main differences between Shark Rocket Powerhead AH400, AH401, AH452 and AH452W are the wand and headlight.

Headlight
The AH400 and AH401 does not have headlights on the nozzle whereas the AH452 and AH452W have center LED headlight on vacuum head.

Wand
The AH400 and AH401 come with a non-telescoping wand.
Whereas the AH452 and AH452W come with a 4 position telescopic wand which can be adjusted to fit user height and for compact storage.

Cord Length
Cord length ranges from 25 feet to 30 feet.
The AH400 and AH401 cord length is 25 feet versus 30 feet on the AH452 and AH452W.

Dimensions
Dimensions of AH400/AH401 are 45.3″ x 12.6″ x 12.2″ (H x D x W)
Dimensions of AH452/AH452W are 44.9″ x 12.6″ x 12.2″

Color
The Shark AH400 is purple, AH401 is green, AH452 and AH452W come in blue.

Included Brushroll and Holster
All of them come with a removable and rinsable deep cleaning all surface brushroll.
The AH401, AH452 and AH452W also come with an additional Gentle Touch hard-floor brushroll that is designed specifically for hard-floor cleaning and a on-board brush roll holder that can be attached to the wand and store the brushroll. The 2 brushrolls are interchangeable.

The AH452W is sold directly from the Shark, it is the same as the AH452 that is sold from retailers.

Below are the links to download the manuals from Shark official site, you can get more detail by reading these user guides.
http://www.sharkclean.com/include/pdf/manual-AH400.pdf
http://www.sharkclean.com/include/pdf/manual-AH401.pdf
http://www.sharkclean.com/include/pdf/manual-AH452.pdf
http://www.sharkclean.com/include/pdf/manual-AH452W.pdf

If you know more differences between these Shark Rocket Powerhead vacuum cleaners, please share by commenting below.

Some QnAs you may want to know.

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Can you turn off the brushroll when cleaning hard floors?
No.
Is the brush adjustable for different carpet piles?
No. There is no manual adjuster. But the vacuum has 2 brushroll speed settings on the handle.
Is there any suction control?
Yes, there is a Suction Control Button on the Motorized Floor Nozzle.
Does it have a auto cord retractor?
No.
Is there any tool for corners or above floor cleaning?
No, there are no attachments except for the optional “Holster” to hold the extra floor brush, the Shark Rocket Powerhead is supposed to be used on floor cleaning only.
What is the amps?
The power specifications are 120V., 60Hz, 600W, 5A
Does it have a HEPA filter?
No.

Shark Navigator Lift Away vs Navigator Powered Lift Away what’s the difference?

Here are some differences between Shark Navigator Lift Away and Powered Lift Away.

1, The Shark Navigator Powered Lift Away, such as the NV581, NV581Q, and NV583, allows you to use the powered nozzle in both upright and lift away mode. So you can clean under furniture with the low profile powered nozzle without switching to other tools.
Whereas the Navigator Lift Away models, such as the NV352 and NV356E, only allows you to use the powered head when in upright mode. You have to use the other attachments when in lift away mode.

2, The Powered Lift Away has the floor selector on the handle whereas the Lift Away has the floor switch on the top of the canister.

3, The Powered Lift Away has LED lights on the floor nozzle whereas the Lift Away does not have headlight.

Compare Shark NV581 vs NV581Q vs NV583 what’s the difference?

Shark NV581 vs NV583
images from manufacturer

The only difference between Shark NV581, NV581Q, and NV583 is the accessories they come with, otherwise they are the same.

Shark Navigator Powered-Lift-Away NV581 includes a Pet Multi-Tool, Duster Crevice Tool, and Dust-Away Hard Floor Attachment with 1 Microfiber Pad.
Shark Navigator Powered Lift-Away DLX NV581Q includes a Pet Multi-Tool, Duster Crevice Tool, Dust-Away Hard Floor Attachment with 1 Microfiber Pad, and Canister Caddy.
Shark Navigator Powered Lift-Away Deluxe NV583 includes a Pet Multi-Tool, Duster Crevice Tool, Dust-Away Hard Floor Attachment with 1 Microfiber Pad, Appliance Wand, plus Pet Power Brush.

The Pet Multi Tool is a 2 in 1 cleaning tool. The hard bristle brush remove debris off surfaces, and the upholstery tool is for removing pet hair from upholstery.
The Duster Crevice Tool is also a 2 in 1 tool. You can use it as a crevice tool to clean tight areas or use it as a dusting brush.
The Dust-Away hard-floor attachment with a microfiber pad is designed for picking up and wiping away fine debris from hard floors.
The Canister Caddy allows you to transform your vacuum into a canister, so you do not have to carry the lift away pod while cleaning.
The Appliance Wand helps to clean areas under hard-to-move appliances and furniture.
The Pet Power Brush helps remove pet hair and dirt from upholstery and carpeted surfaces.

Compare Shark NV752 vs NV552 what’s the difference?

Shark NV552 vs NV752
images from manufacturer

The Shark Rotator Powered Lift-Away TruePet NV752 and Shark Rotator Pro Complete Lift-Away Vacuum NV552 are similar vacuum cleaners.
They are 3-in-1: upright, lift-away pod and canister, they have bottom empty dust cup, 30 ft. cord, swivel nozzle with LED headlights, and anti allergen technology with HEPA filter.
However, they also have differences.
One of the major differences that may affect your buying decision is the control button location.
For those who like convenient controls, the NV752 would be a better choice. The NV752 has the power button as well as the floor selector on the handle. You can turn on/off the vacuum and switch between hard floor and carpet modes with the fingertip controls. While the NV552 has the power switch and brush on/off button located on the top of the canister.

Another main difference is if the powered nozzle can be connected to the wand when in lift away mode and canister mode.
In fact, this difference is important to many potential buyers.
Though both of them have 3 modes, they are different. The NV752 allows you to use the power head when in lift away mode and canister mode, so you can use the power head to vacuum under beds/furniture. But with the NV552, the powered head CANNOT be connected to the wand, so you CANNOT use it to clean under bed/furniture. You have to switch to one of the other attachments when in lift away mode and canister mode.

About Suction Control.
The NV552 has a suction control slider that allows you to adust suction power whereas the NV752 has no suction control slider, but it has 3 cleaning modes that produce different levels of suction.

Brushroll On/Off Control
The NV552 has a brushroll on/off button that allows you to turn on the brushroll to vacuum carpet/area rugs, or turn it off to clean hard floors.
While the NV752 has 3 preset cleaning modes, if you select hard floor mode, the brushroll will not spin, it only spins when you selecting the 2 carpet cleaning modes.

Included Accessories
The NV752 comes with a TruePet Mini Motorized Brush, Hard Floor Genie, Caddy, Upholstery Tool, Dusting Genie, Dusting Brush, Accessories Bag.
The NV552 includes a Dusting Brush, Crevice Tool, Premium Power Brush, Multi Angle Dusting Brush, Wide Upholstery Tool, Under Appliance Wand, Dust Away Tool with a Microfiber Pad, Canister Caddy, and an Accessory Bag.

Color
The NV752 is bordeaux whereas the NV552 is champagne.

Warranty
The NV752 carries a 7 year limited warranty versus 5 year warranty on the NV552.

Handle Light
The NV752 has LED light on the handle which the NV552 does not have.

Dust Cup Size
The nv752 has larger dust cup capacity, it can hold 3.3 dry quarts whereas the dust cup capacity of NV552 is up to 3.1 dry quarts.

If you know other difference between Shark Rotator Powered Lift-Away and Shark Rotator Pro Lift-Away Vacuum, please share below.

Compare Shark NV752 vs NV501 what’s the difference?

Shark NV501 vs NV752
images from manufacturer

Both of the Shark Rotator Professional Lift Away NV501 and Shark Rotator Powered Lift Away True Pet NV752 are 3 in 1 vacuum cleaner – upright, canister, lift away.
They are bagless, feature HEPA filter, swivel head, LED headlights, and detachable handle. However, there are also some differences between NV501 and NV752.

The NV752 has more convenient control.
The NV752 has fingertip control Power Button which is located on the handle whereas NV501 has the power switch on the top of the pod.
And the NV752 has the cleaning mode control on the handle so you do not have to bend down to touch any button to switch between cleaning modes whereas the NV501 does not have the control on the handle.

Brushroll On/Off Switch
The NV501 has a BRUSHROLL button next to the Power button which is on the top of the lift away pod, this Brushroll button allows you to turn on/off the brushroll. Whereas the NV752 does not have this Brushroll button, it has 1 hard floor cleaning mode with the brushroll off and 2 carpet/area rug cleaning mode with brushroll on.

Suction Control
The NV752 has no suction control slider or similar things. It has 3 cleaning modes that provides different suction power, the Hard Floor mode with brush off provides the strongest suction and the Thick Carpet/Area Rug mode with brush on produces the weakest suction.
The NV501 has a suction control collar on the handle that allows you to release suction when you need weak suction to clean delicate things.

Led light on handle
The NV752 has LED lights on the handle whereas the NV501 does not have.

Dust Bin Capacity
The nv752 dust cup holds 3.3 dry quarts whereas the NV501 can holds up to 3.1 dry quarts.

Included Tools
The NV752 comes with a TruePet Mini Motorized Brush, Hard Floor Genie, Caddy, Upholstery Tool, Dusting Genie, Dusting Brush, Accessories Bag.
The NV501 comes with a Pet Power Brush, Crevice Tool, Dusting Brush, Canister Caddy, Straight Suction Nozzle and a Wide Pet Upholstery Tool.

Warranty
The NV752 is backed by a 7 year limited warranty rather than 5 year warranty on the NV501.

Color
The NV501 comes in white with red whereas the NV752 is in Bordeaux.

Dimensions
The dimensions of NV501 are 45.7″ x 13.4″ x 12.2″ (H x W x D) versus 46″ x 12″ x 13″ on the NV752.

According to user reviews, the NV752 has bigger LED headlight, more flexible hose, more smoother wheels, better suction on the sides, and better build quality.

Learn more by reading manuals:
NV501 Manual – http://www.sharkclean.com/include/pdf/manual-NV500.pdf
NV752 Manual – http://www.sharkclean.com/include/pdf/manual-NV752.pdf

P.S. Shark NV500 series vacuum cleaners are similar items, NV750 series models are also similar.
The comparison info above is also helpful if you are looking for difference between Shark Rotator Professional Lift Away and Shark Rotator Powered Lift Away.