Fisoceny SY-8 Mini Tank Water Heater 2.5 Gallon
- Capacity: 2.5 gallons
- Wattage: 1500 watts
- Power Source: Corded Electric
- Flow Rate: 0.2 gpm
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A compact point of use tank that solves the long wait for hot water at a single fixture, with a real capacity limit once that 2.5 gallons runs out.
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ASIN: B0DRCFMX59Model: SY-8Category: Water Heaters
Overview
The Fisoceny SY-8 is a 2.5 gallon mini tank water heater built for point of use spots a main tank cannot reach quickly, like an RV kitchen or a sink far from the household heater. A 1500W L shaped element heats it in about 5 to 8 minutes, and it ships with stainless steel hoses for install.
That points to its real role: a small buffer tank for a single sink, bidet, or shower rather than a whole home solution. A couple of buyers found the usable hot water ran out faster than they expected once the tank emptied.
- 2.5 gallon 304 stainless steel tank
- 1500W L shaped heating element, 5 to 8 minute heat up
- Mechanical temperature knob, 86 to 149°F range
- Includes stainless hoses and pressure relief valve
Who it's for
Good for an RV, camper, or a house where one distant sink or bathroom waits too long for hot water from the main heater. Less suited to anyone wanting to fill a full sink or run back to back hot water draws, since the tank empties after a couple gallons.
Pros and cons
- Delivers hot water right at a fixture far from the main heater
- Stainless hoses and a pressure relief valve are included
- Reported straightforward to install under a sink or in an RV
- Hot water runs out after roughly 1 to 2.5 gallons, then needs several minutes to recover
- At least one buyer had a supply hose start leaking after about a month
Performance notes
The unit stores and preheats water in a 304 stainless steel tank so hot water is on hand right at that fixture rather than traveling from a distant heater. A mechanical knob adjusts the target temperature from 86 to 149 degrees Fahrenheit, and once the tank's hot water is drawn down, recovery takes several minutes before more is available.
Specifications
| Brand | Fisoceny |
|---|---|
| Model | SY-8 |
| Dimensions & fit | |
| Item Weight | 8 pounds |
| Item Depth | 10.5 inches |
| Item Dimensions W X H | 10.2 × 11.2 inches |
| Capacity & performance | |
| Capacity | 2.5 gallons |
| Flow Rate | 0.2 gpm |
| Maximum Temperature | 149 °F |
| Heat Output | 1500 watts |
| Power & efficiency | |
| Wattage | 1500 watts |
| Power Source | Corded Electric |
| Voltage | 120 volts |
| Efficiency | 95% |
| Construction & materials | |
| Material Type | SPGC |
| Color | White |
| Compatibility & installation | |
| Mount Type | Wall |
| Included components | |
| Unit Count | 1 |
| Included Components | 2.5 Gallon Water Heater X 1, Install Bracket Kit X 1, Pipe Hose X 2, T-Vavle |
| Other details | |
| Maximum Pressure | 108 psi |
| Number Of Items | 1 |
| Style Name | 2.5 Gallon Water Heater With Water Diverter |
| Special Features | Easy to Install, High Water Pressure Protection, Overheat Protection, Pressure Release Valve, Waterproof |
| Item Type Name | 120v Water Heater |
Frequently asked questions
Does the SY-8 provide continuous hot water?
No, it heats a fixed 2.5 gallon tank; once that hot water is used it needs several minutes to recover rather than heating water on demand.