description AO Smith HSE-SDS Overview
help AO Smith HSE-SDS FAQ
Which capacities were offered for the A. O. Smith HSE-SDS?
A. O. Smith documentation lists HSE-SDS versions in 6, 15, and 25 litres. The larger 15- and 25-litre models were marketed with a BEE 5-star energy rating, while the 6-litre version carried a different rating.
What does Blue Diamond lining do inside the HSE-SDS?
Blue Diamond is A. O. Smith's glass lining for the inner storage tank. It is intended to reduce corrosion from stored water, while the model's glass-coated heating element is designed to resist scale formation.
Can the HSE-SDS be installed in a high-rise apartment?
The 15- and 25-litre SDS documentation specifies a rated pressure of 80 N/cm², equivalent to about 8 bar. Installation still needs the supplied safety valve and a plumbing assessment because actual building pressure can vary.
Is the HSE-SDS an instant geyser?
No. It is a storage water heater that heats and retains a fixed volume in its tank, unlike A. O. Smith's compact EWS instant range. Capacity therefore affects both available hot water and reheating time.
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