- Steel tank, glass-lined “Blue Glass 4753” using flow-coating method 850°C, WRAS (BS6920-1) certified
- Corrosion-proof magnesium anode
- Regulation and safety rod thermostat
- LED indicator light
- External casing made of sheet metal coated with epoxy powder paint
- Rigid polyurethane (PU) insulation layer
- IPX4 protective cover over electrical parts
- Stored water temperature indicator