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Gerber Toilet Reviews 2024

Looking for a brand which offers solid flushing performance, whilst keeping to simple, contemporary designs, that contribute to the overall appeal of your bathroom? Gerber could be a good fit.

We have spent time looking through the various products they offer, and compiled a list of options that we feel excel. We base this on a number of different criteria including the type, bowl, water usage, design, warranty, and what consumers say about each.

Our ratings

Image Product Flush GPF Bowl Rating? Review
HET 1.28 Elongated 86%
HET 1.28 Elongated 85% Here
HET 1.28 Elongated 85% Here
HET 1.28 Elongated 83% Here


Viper GHE21519

A two piece style, which means unlike one piece units, the tank and bowl are separated. It includes an elongated shape bowl, and a simple, yet elegant design, finished in a nice bright white that can compliment many a bathroom theme.

This is essentially a low water toilet, operating on a siphonic, gravity fed flush, that is designed to make up to 20 percent saving compared with standard 1.6 gallon units. The benefits of having such a feature include owning something that is economically friendly. Household water bills will no doubt be lower.

To give you an idea of flushing performance and power, MaP give it a rating of 800, which is noted as being a highly recommended choice, and one which will handle the bulk removal of waste easily.

Allerton GHE20007

With an ADA Compliant rim height, both comfort and accessibility is ensured. It goes by the name of ErgoHeight, which means that the height of the bowls rim without a seat falls just short of seventeen inches. But with a seat, this will increase, making it easier on your joints and muscles to sit and stand. The idea behind this is to improve access for those with mobility issues and disabilities.

The trip lever is located on the left hand side of the tank, and can be used to send 1.28 gallons of water through the bowl. It operates on a single flush mechanism, and is gravity fed, and has a solid MaP flushing performance rating of 1000 which is impressive.

It will fit a twelve inch rough, and comes finished in a bright white.

Avalanche 21-014

Like the other choices above, the 21-014 unit has a ErgoHeight bowl for comfort and ease of use. The elderly, and people recovering from injuries will certainly benefit froma taller bowl height. Actual measurement to its rim is sixteen and a half inches without the seat.

This model also reduces the amount of water needed to rid waste from the bowl. Its 1.28 gallons allow it to meet the Environmental Protection Agencies WaterSense criteria for residential toilets. But don't be fooled into thinking this means a weaker flush. It comes with dual fed siphonic jets to improve the performance in that department.

It features a glazed two inch trapway, three inch flush valve and will fit a twelve inch rough in.

We've found plenty of positive comments about it online, which is a good sign, but always be sure to conduct your own research as well.

Maxwell GDF21118

The GDF21118 is a two piece unit with the actuator located on top of its tank. Once tripped, this will send 1.28 gallons through the bowl, washing out waste by utilizing a gravity fed, siphonic jets to effectively clean it. However, a MaP rating of 500 grams which is less than the others. However, many people will argue, myself included that the performance scores at 500 and above are fluff and only for show. There may be some truth in that, but it still demonstrates that the power isn't quite on par. One positive thing to mention is its efficient and will make plenty of water savings over a year.

It's ErgoHeight and floor mounted, and has a valve size of two inches. We feel the design isn't as aestetically pleasing as some other options, but this will be suitable for a residential environment.

Comparison table

GHE21519 Viper GHE20007 Allerton 21-014 Avalanche GDF21118 Maxwell
GPF 1.28 1.28 1.28 1.28
Bowl Elongated Elongated Elongated Elongated
Comfort height
Color White White White White
Dimensions 26.9 x 18.4 x 29.9" 30.5 x 16.875 x 29.625" 28 x 16.1 x 28.1" 28.9 x 15.4 x 30.5"
Weight 77 lbs 88 lbs 88 lbs 72 lbs
Rating 86% 85% 85% 83%

About the brand

Founded by Max Gerber, this is a company which manufactures numerous plumbing and bathroom fixtures. They have expertise not just in loos, but also faucets, sinks, urinals, shower heads, tubs, and drains.

Over the years, they have produced plenty of highly rated toilets, perhaps the most notable of these would be the avalanche range, which gained recognition from several consumer magazines.


Like other leading brand names such as Kohler, TOTO, American Standard, and Mansfield Plumbing there is no shortage of product ranges. Among these are Viper, Maxwell, Ultra Flush, Logan Square, Allerton, Brianne, and as previously mentioned, the award winning Avalanche.

Each of these feature unique properties, style, and designs, to meet the needs of a wide consumer base.

Considerations before you buy

Rough - Find out what your rough in size is before spending any money. Most households will come with a twelve inch measurement, but there are plenty of cases where a fourteen, or ten inch one is more suitable.

Theme - Keeping the loo in theme with the rest of the bathroom is something you don't want to overlook. In many cases, a nice bright color like white or cream will work well.

Operation - Think about how you want your flush to be operated. Whilst trip levers located on the tanks sides are quite commonplace, there are alternatives. Buttons are one example, which are popular among 2 flush models. You can either go for a more technologically advanced route and operate your flush mechanism by waving your hand over a sensor. So there are numerous possibilities to work with, it just means finding one that suits the needs of your home.

Budget - You aren't going to find anything of high quality for less than 200 bucks. So that should really be your starting point. We suggest going into the buying process with at least 250 bucks, but understand that isnt always possible. There are plenty of low budget options available. But many which we research and recommend will fall into the 250-450 price range.

Bathroom size - Think about the amount of room you have afforded to you. If you have very little space to work with, consider getting a samller unit. That isn't always necessary however. You can often find various vanities and storage that work well with minimal room in the surrounding area. A key example of this is over the toilet storage.

Wrapping up

With proper research, you can really improve your chances of finding a Gerber unit that you're happy with. So take your time to read through the hints and tips above, and make sure the toilet you're picking is going to meet your households needs.

If anything is confusing you, you can read the FAQ, ot alternatively, pay a visit to the glossary.