Waterpik Ultra Professional WP-660UK Water Flosser, White

1 / 7

Product guide

Waterpik Ultra Professional WP-660UK Water Flosser, White

White: The Waterpik Ultra Professional WP-660UK is a corded countertop water flosser with a 650 ml reservoir and adjustable pressure. Its five included tips and multiple settings suit buyers who want different options for everyday interdental cleaning, but it needs a powered socket nearby.

At a glance

Ten pressure settings are described as ranging from gentle to maximum cleaning.
The 650 ml reservoir is claimed to provide 90+ seconds of flossing time per fill.
The listing describes five tips, including specialist tips for orthodontic and implant or denture care.
The corded design is intended for countertop use rather than cordless portability.

Price

£56.99Save 37%

Reference price: ~~£89.99~~

Price checked: 12 Nov 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

Waterpik Water Flosser Ultra Professional, Plaque remover for teeth, White | 11 pressure settings, 5 Tips Included, Pressure

£44.99

Pros and cons

Pros

Several pressure levels let users adjust the stream to their preference.
The stated 650 ml tank and 90+ seconds of use per fill reduce the need for frequent refills during a session.
The claimed five-tip selection offers options for different dental-care needs.

Cons

Corded countertop operation requires access to a suitable powered socket and is less suited to travel than a cordless model.

Technical specifications

14 specifications

Identity
Brand	Waterpik
Model	Waterpik Ultra Professional Water Flosser
Model number	WP-660UK
Colour	White

Power and operation
Power configuration	Corded Electric
Pressure settings	10 settings
Flossing time per reservoir	90+ seconds of flossing time

Capacity and dimensions
Reservoir capacity	650 Millilitres
Dimensions listed	9.6 x 11.9 x 26.3 centimetres

Included tips and use
Tips claimed	5 flosser tips
Recommended uses	oral health care, dental plaque removal, gum stimulation
Target body part	Teeth

Other details
Material	Acrylonitrile Butadiene Styrene
Warranty claim	2-year warranty

What to know before buying

Listing details to confirm

The listing has inconsistent technical details: one field says Multiple Pressure Settings while product copy specifies 10, and a separate related-product title mentions 11. The listed 650 ml reservoir and 90+ seconds are claims. Plug guidance also varies between a two-pin UK shaver-socket plug and global voltage of 100-240v. Confirm the selected unit's precise specification and plug before purchase. The listing says packaging may vary.

Who is it for?

A good fit for

People who want a countertop water flosser with adjustable pressure and a large stated reservoir.
Users looking for multiple tip options for general cleaning or around braces, implants and other dental work.

Less suited to

People who need a cordless, travel-oriented flosser or do not have a suitable socket near the sink.

Waterpik Ultra Professional WP-660UK Water Flosser, White · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 6,414 ratings

5 stars69%69%
4 stars17%17%
3 stars7%7%
2 stars2%2%
1 star5%5%

Customer feedback is generally favourable about how clean teeth feel, ease of use and cleaning performance, with the provided rating distribution also leaning towards five-star ratings. Opinions on value are mixed, and the feedback includes concerns about reliability and durability, including reports of units stopping within weeks or months. For buyers considering this corded model, these reports are relevant to expected longevity, but they do not establish that every unit will fail.

Positive themes

Customers report that it is easy to use and leaves teeth feeling very clean.
Customers describe cleaning performance and effectiveness positively.

Negative themes

Feedback includes reports of reliability and durability problems, including units stopping after a short period.

Mixed feedback

Opinions on value for money are mixed.

Frequently asked questions

Is the Waterpik Ultra Professional cordless?

No. The listing specifies Corded Electric, so it needs a powered socket nearby.

How many pressure settings does it have?

The product description specifies 10 settings, but another listing detail says only Multiple Pressure Settings and a related-product title mentions 11. Confirm the selected model's settings before buying.

How large is the water reservoir?

The listed tank volume is 650 Millilitres. The product copy claims 90+ seconds of flossing time per fill.

What tips are included?

The product description claims five tips, including an Orthodontic Tip and an Implant Denture Tip. Packaging may vary, so check the selected listing for the exact tip set.