Ariston Andris RS 4 Gallon
A 4 gallon plug-in tank at a 2.5 gallon price, with a six-year tank warranty. A strong pick for a kitchen sink.
Amazon $169.99$169.99
4 gal1,440 WPlug-in
3.5/5
A narrow 4 gallon plug-in tank that fits where wider tanks don’t. Its tank warranty is shorter than the major brands.
- 4 galTank
- 1,440 WElement
- Plug-inPower
- 3 yearsTank warranty
Check price at Amazon$209.99
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Slim 11.75 in footprint for a 4 gallon tank
- Plugs in; bracket for shelf, wall or floor mounting included
- Relief valve included
Cons
- Three-year tank warranty
- Cord is only 28 to 31 in long
The Camplux ME family
Every Camplux ME model we rank, smallest first. Ratings compare each against its own size.
| Model | Tank | Rating | Price |
|---|---|---|---|
| Camplux ME40 4 Gallon (this one) | 4 gal | 3.5/5 | $209.99 |
| Camplux ME60 6 Gallon | 6 gal | 2.8/5 | $229.99 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | ME40 |
|---|---|
| Heating | |
| Tank capacity | 4 gal |
| Element | 1,440 W |
| Voltage | 120 V |
| Electrical connection | Plug-in |
| Thermostat range | 50 to 149 °F |
| Price per gallon | $52.50 |
| Installation | |
| Dimensions (H x W x D) | 19.2 x 11.8 x 10.4 in |
| Weight | 18.2 lb |
| Water connections | 1/2" NPT |
| Relief valve included | Yes |
| Wall bracket included | Yes |
| Warranty | |
| Tank | 3 years |
| Parts | 2 years |
Alternatives in this size
EcoSmart ECO MINI 4
An inexpensive 4 gallon plug-in tank for a kitchen or utility sink. Its warranty is a year shorter than the best small tanks.
Amazon $165.92$165.92
4 gal1,440 WPlug-in
Stiebel Eltron SHC 4
A 4 gallon plug-in tank for a kitchen sink or as a booster on a long pipe run, with a six-year tank warranty. Cheaper 4 gallon tanks match its warranty and heat faster.
Amazon $239$239
4 gal1,300 WPlug-in
Compare
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