A 10 gallon plug-in tank for a laundry, workshop or in-law kitchen, with an eight-year warranty. It sits on the floor rather than under a sink.
Amazon $279.65
An 8 gallon tank for a kitchen or utility sink at a low price, with a six-year tank warranty. Plan on hardwiring it.
- 8 galTank
- 1,440 WElement
- HardwiredPower
- 6 yearsTank warranty
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
- Eight gallons with a six-year tank warranty at a low price
- Wall bracket and relief valve included
- Thermostat goes up to 167 °F
- Must be hardwired, unlike the smaller Andris tanks
- 1,440 W element takes a while to reheat 8 gallons
The Ariston Andris RS family
Every Ariston Andris RS model we rank, smallest first. Ratings compare each against its own size.
| Model | Tank | Rating | Price |
|---|---|---|---|
| Ariston Andris RS 2.5 Gallon | 2.5 gal | 3.2/5 | $159.99 |
| Ariston Andris RS 4 Gallon | 4 gal | 4.0/5 | $169.99 |
| Ariston Andris RS 8 Gallon (this one) | 8 gal | 3.4/5 | $209.99 |
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 | ANDRIS RS 8U 1.4KW |
|---|---|
| Heating | |
| Tank capacity | 8 gal |
| Element | 1,440 W |
| Voltage | 120 V |
| Current | 12 A |
| Electrical connection | Hardwired |
| Recovery (maker figure) | 6.8 gal/hr at 90 °F rise |
| Thermostat range | 65 to 167 °F |
| Price per gallon | $26.25 |
| Installation | |
| Dimensions (H x W x D) | 17.5 x 17.5 x 15.2 in |
| Weight | 29.5 lb |
| Water connections | 3/4" NPT (adaptor included) |
| Relief valve included | Yes |
| Wall bracket included | Yes |
| Warranty | |
| Tank | 6 years |
| Parts | 2 years |
Alternatives in this size
A 6 gallon plug-in tank with an eight-year tank and parts warranty. The best all-round mid-size pick.
Amazon $240.86The cheapest way to 8 gallons of stored hot water. VEVOR publishes no warranty, so it suits a shop or utility sink more than a kitchen.
Amazon $135.90Compare
Compare the Ariston Andris RS 8 Gallon with any other mini tank water heater →
More from Ariston: every Ariston product ranked.