Ariston Andris RS 8 Gallon
An 8 gallon tank for a kitchen or utility sink at a low price, with a six-year tank warranty. Plan on hardwiring it.
Amazon $209.99$209.99
The Ariston Andris RS 8 Gallon is the better mini tank water heater overall, rated 3.4 to 3.0. The Ariston Andris RS 8 Gallon leads on features. The VEVOR 8 Gallon Mini-Tank wins on value. The VEVOR 8 Gallon Mini-Tank costs $74.09 less ($135.90 vs $209.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
VEVOR 8 Gallon Mini-Tank
The 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 $135.90$135.90
Which should you buy?
- Choose the Ariston Andris RS 8 Gallon for features (relief valve included, wall bracket included vs relief valve included).
- Choose the VEVOR 8 Gallon Mini-Tank for value ($16.99 per gallon ($135.90, 8 gal) vs $26.25 per gallon ($209.99, 8 gal)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 6 to 10 gallon mini tank water heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Ariston Andris RS 8 Gallon | VEVOR 8 Gallon Mini-Tank |
|---|---|---|
| Overall rating | 3.4/5 | 3.0/5 |
| Value 30% | 70 $26.25 per gallon ($209.99, 8 gal) | 100 $16.99 per gallon ($135.90, 8 gal) |
| Warranty 30% | 56 6-year tank, 2-year parts | 0 warranty not published, scored as none |
| Heating power 15% | 20 1,440 W element | 20 1,440 W element |
| Features 15% | 60 relief valve included, wall bracket included | 35 relief valve included |
| Tank size 10% | 50 8 gal tank | 50 8 gal tank |
Specifications
| Ariston Andris RS 8 Gallon | VEVOR 8 Gallon Mini-Tank | |
|---|---|---|
| Heating | ||
| Tank capacity | 8 gal | 8 gal |
| Element | 1,440 W | 1,440 W |
| Voltage | 120 V | 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 | up to 145 °F |
| Price per gallon | $26.25 | $16.99 |
| Installation | ||
| Dimensions (H x W x D) | 17.5 x 17.5 x 15.2 in | 15.2 x 18.1 x 18.1 in |
| Weight | 29.5 lb | 28.3 lb |
| Water connections | 3/4" NPT (adaptor included) | - |
| Relief valve included | Yes | Yes |
| Wall bracket included | Yes | - |
| Warranty | ||
| Tank | 6 years | - |
| Parts | 2 years | - |