Water Heater With Temperature Control
HY518/HY518 WIIF
Application: Suitable for room temperature control and household temperature control underground water heating system.
Feature:
1.Independent mechanical safety mechanism
2.Programmable schedule: 4 events each day of 7 days 5+2; 5+1+1
3.Freeze protection function
4.Large LCD numbers with backlight
Description
Xiamen Hysen Control Technology Co., Ltd. is one of the most credible manufacturers and suppliers of water heater with temperature control in China, also supports customized service. Please feel free to wholesale discount water heater with temperature control from our factory.
Production Introduction
Water heater with temperature control applied to control water heating systems such as wall mounted boiler, water valve, under floor pipes, radiator systems etc. and electrical systems such as heating cable, electro-thermal film, heating actuator, electrical globe valve etc.

Product Specifications
Power: | 90-240Vac 50/60Hz |
Type | Tuya smart thermostat |
Display accuracy: | 0.5°C |
Programmable | 5+2/6+1/ 7 days |
Contact capacity: | 3A(WW/LD); 16A(WE) |
Limit temperature range: | 1~70°C |
Range of temperature adjustment: | 5~35°C |
Insulating condition: | Normal environment |
Probe sensor: | NTC(10k)1% |
Output: | Switch relay |
Installation: | recessed type (in the wall) |
Size(mm): | 55*55mm |
Product Feature
1.Easy to set:Fits most of the water floor heating systems with 95-240V, 50/60Hz, 5A max current. Offers full-auto or manual set up; control your device manually or connect to WiFi and adjust heating schedules and temperature via smartphone app.

2.Enjoy Your Smart Life
Water heater with temperature control customise to suit your schedule. For example, automatically turn on the heating before you get home.
With 5+1+1 six period control, offering programmable functionality to maximise comfort and energy saving.

3.Compatible with Amazon Alexa and Google Home iOS and Android apps available,
Control your heating remotely, anytime, anywhere with your smart device.
Packing list
1 pc Thermostat
1 pc User Manual
1 pc Sensor Cable optional
A pair of screw
FAQ
How to identifying which thermostat is faulty
The majority of water heaters with a capacity of 30-gallons or more use two heating elements, each with their own thermostat.
The thermostats are wired so that only one heating element is ON at a time.
The upper thermostat brings the top 1/3 of the water in the tank to the temperature set point. It then shuts down and switches the electricity to the lower thermostat.
The two thermostats are not the same and when one fails, the water heater will react differently.
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