... 4) Fitting size:28±0.25mm5) Rated at 16A/250V 50/60Hz 6) Main body temperature: T90 / T1507) Electric strength: ... 12) CERTIFICATES OF CQC AND CE13) Widely used for electric water heater, washer, electric oven,ice machines, fish ponds, etc ... 4.5°C ±5°C 400-1800 (40)WHD-250E 50-250°C ≤8°C ±8°C 500-1500 Φ3× ... 170WHD-320E 50-320°C ≤10°C ±8°C 500-1500 Φ3×130 Water Dispenser Thermostat