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
3.5/5
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.
- 4 galTank
- 1,300 WElement
- Plug-inPower
- 6 yearsTank warranty
Check price at Amazon$239
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Plugs into a standard 120 V outlet
- Six-year tank warranty
- Four gallons covers a kitchen sink or a long pipe run as a booster
Cons
- 1,300 W element reheats slower than 1,440 to 1,500 W rivals
- Pricier than similar 4 gallon tanks from EcoSmart and Ariston
The Stiebel Eltron SHC family
Every Stiebel Eltron SHC model we rank, smallest first. Ratings compare each against its own size.
| Model | Tank | Rating | Price |
|---|---|---|---|
| Stiebel Eltron SHC 2.5 | 2.5 gal | 2.7/5 | $212.91 |
| Stiebel Eltron SHC 4 (this one) | 4 gal | 3.5/5 | $239 |
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 | SHC 4 (234046) |
|---|---|
| Heating | |
| Tank capacity | 4 gal |
| Element | 1,300 W |
| Voltage | 120 V |
| Current | 11.3 A |
| Electrical connection | Plug-in |
| Recovery (maker figure) | 27 min (maker figure) |
| Thermostat range | up to 140 °F |
| Price per gallon | $59.75 |
| Installation | |
| Dimensions (H x W x D) | 19.8 x 12.6 x 12.5 in |
| Weight | 19.8 lb |
| Water connections | 1/2" NPT brass |
| Relief valve included | Yes |
| Wall bracket included | Yes |
| Warranty | |
| Tank | 6 years |
| Parts | 2 years |
Alternatives in this size
Camplux ME40 4 Gallon
A narrow 4 gallon plug-in tank that fits where wider tanks don’t. Its tank warranty is shorter than the major brands.
Amazon $209.99$209.99
4 gal1,440 WPlug-in
ThermoMate ES400 4 Gallon
A 4 gallon plug-in tank for a kitchen sink. Ariston and EcoSmart sell 4 gallon tanks for less with longer warranties.
Amazon $220.99$220.99
4 gal1,440 WPlug-in
Compare
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