Xyfb Water Heater - Manual [upd]
XY-FB
The is a popular compact, electric tankless water heater often sold under brands like Sonew , Far Sail , and Sufrin on platforms like AliExpress , Amazon , and eBay . It is typically used for point-of-use applications like kitchen sinks or RVs. Installation Guide For safe operation, follow these sequential steps:
If your unit is not heating, the following steps are standard for "resetting" the system: Reset Button: xyfb water heater manual
Adjusting temperature:
4. OPERATING INSTRUCTIONS
- Top/Bottom: 12 inches minimum for airflow.
- Sides: 6 inches for electric models; 24 inches for gas models (service clearance).
- Front: 24 inches to allow access to the drain valve and thermostat.
Problem: “Water is not hot enough.”
- Always shut off power at the breaker (electric) or gas supply (gas models) before servicing.
- Relieve pressure before opening drains or replacing parts: turn off power/gas, close cold-water inlet, open a hot faucet and the pressure-relief valve to drain.
- Install a Temperature & Pressure Relief (T&P) valve and discharge pipe directed downward to within 6 inches of floor.
- Keep combustibles away from gas units; ensure proper venting.
- Set thermostat to ≤120°F (49°C) to reduce scald risk and energy use.
- Do not bypass or cap safety devices (T&P, thermostat, pressure controls).
