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Waterpik NML 603 Therapeutic DIY Rain Showerhead

Last updated: February 2, 2023

Waterpik NML 603 Therapeutic DIY Rain Showerhead
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We looked at the top Rain Showerheads and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best Rain Showerhead you should buy.

Overall Take

In our analysis of 82 expert reviews, the Waterpik Therapeutic DIY Rain Showerhead placed 18th when we looked at the top 20 products in the category. For the full ranking, see below.

From The Manufacturer

Waterpik FlexNeck technology lets you simply grab and move the shower head — and it stays right where you put it. Move the shower up to add height, move it down for shorter people or children, and adjust the angle. A flexible neck of 18 inches makes it easy. Poor shower head performance is often a design issue. A great shower experience maximizes the flow of water through the shower head for a powerful spray. If your shower head suffers from low water pressure, enjoy better performance by replacing it with a Waterpik shower head. Installing a Waterpik shower head only takes minutes, and you don’t need a plumber.

Expert Reviews


What experts liked

Interestingly, I was amazed to find out that the shower head stays exactly where I have kept it.It doesn’t move from its position and allows me to enjoy a relaxing shower every time.Again, it includes 6 spray settings with full body power spray.I love the OptiFlow technology which allows me to get a powerful showering experience.
Much like an elephants trunk, its flexible and sprays water!... but trust me, its not an elephants trunk, instead its just a very flexible shower head that lets you move it towards you in many different directions. From both ends of the neck, this thing measures 18" inches. Whether you are short or tall, it's nice to have something that can accommodate most people.
This model can accommodate any height of shower pipes. When adjusted, the shower head will stay in any position that you place it.
Perfect for households that share a shower because of the flexible neck.

What experts didn't like

Due to the long 18" neck, homes with below average water pressure may not find the water output adequate with this one.
Some complaints that the shower head sticks out too far from the wall.
The 3.5 inch face is a bit small.

Our Expert Consultant

Vicki Liston 
Home Improvement Expert

Vicki Liston writes, produces, and narrates “On The Fly…DIY,” an award-winning home improvement and DIY show of unique project tutorials for the casual DIY’er.

Home improvement and all things DIY have been Liston’s passion since she bought her first house in 2007 and she started making video blogs in 2014. She’s performed hundreds of DIY projects, from small ones to major, wall-smashing renovations and can teach you how to make a trendy DIY barn door for cheap. The proceeds earned from “On The Fly…DIY” are donated to no-kill animal shelters and rescue organizations.

View our Rain Showerhead buying guide for in-depth advice and recommendations.

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