AO Smith
Electrical water heater

EES Series

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The EES Electrical Commercial Water Heater features a Blue Diamond® glass-lined tank for superior corrosion resistance, glass-coated heating elements to reduce scale buildup, and a temperature control knob ranging from 25°C to 75°C. It includes a thermal cutout for safety, an automatic pressure-relief safety valve, and 50mm insulation foam for efficient heat retention. Rigorous stress testing at 21 kgf/cm² ensures durability and reliability.

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KEY FEATURES

BLUE DIAMOND® GLASS LINING

Blue Diamond® Glass Lined Tank. Maximum protection against hard water and corrosion.

GLASS COATED HEATING ELEMENT

Helps to prevent scale formation and extends the life of the heating element.

TEMPERATURE CONTROL KNOB

Allows you to set the temperature anywhere between 25°C to 75°C.

THERMAL CUTOUT

If the water temperature exceeds the preset level, the thermal cut-out cuts off the power supply to assure safety.

SAFETY VALVE

The safety valve is designed to automatically relieve pressure and discharge water in case the pressure overshoots the preset limits.

INSULATION FOAM 50mm

50mm boonygeok excellent heat dissipation effect of preventing the other products with polyurethane insulation the more excellent.

STRESS TEST

A. O. Smith to ensure the best quality self-testing 21kgf / cm².

Specifications

Parameter EES 30 EES 40 EES 50 EES 80 EES 120
Volume [L] 120 150 190 300 455
Power [W] 6000
Voltage/Frequency [V/Hz] 220V/50Hz
Rated Water Pressure [Bar] 8
Form of Water Inlet & Outlet Top inlet / Top outlet
Dimensions
A [mm] 530 530 520 620 720
B [mm] 940 1115 1395 1470 1635
Net Weight [kg] 43 53 60 94 153

External Dimensions

FAQs
Q1. What makes A. O. Smith electrical water heaters durable?
They feature Blue Diamond® glass-lined tanks and glass-coated heating elements for superior corrosion resistance and long life.

Q2. Can the water heater handle hard water?
Yes. The Blue Diamond® glass lining offers maximum protection against corrosion and hard water conditions.

Q3. How can I control the water temperature?
The temperature control knob allows adjustment between 25°C to 75°C, depending on your comfort needs.

Q4. Is the heater safe to use?
Yes. It includes a thermal cut-out and safety valve to protect against overheating and excess pressure.

Q5. Does the heater retain heat efficiently?
Yes. The 50mm insulation foam minimizes heat loss, keeping water hot for longer durations.

Q6. What capacities are available?
Models range from 120 litres to 455 litres, suitable for residential, commercial, and institutional use.

Q7. Is the heating element protected from scale formation?
Yes. The glass-coated heating element helps reduce scaling and extends heater life.

Q8. Can it be used in high-pressure applications?
Yes. It supports a rated water pressure of up to 8 bar and undergoes stress testing at 21 kgf/cm².

Q9. Is installation flexible?
Yes. Top inlet and outlet design allows easy installation across different site conditions.

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