A. O. Smith Hot Water Dispenser
Hot Water Dispenser
Multi-temperature filtered hot drinking water, dispensed at the touch of a button.
*paired with an AOS RO water filter
Get water instantly at the temperature you want
Dispense room temperature to hot water without waiting, from a conveniently placed faucet.
System may be set to produce up to 100ºC of real boiling water from pure Reverse Osmosis (RO) filtered water.
Patented Dual Control Faucet
Patent ZL201720741270.3
Outlet water temperature is precisely the same as the reflected temperature on the faucet panel.
Push up to release a continuous stream of water or press down to fill a smaller amount, such as a glass.
Preset and dispense hot water immediately
3 presets for filtered hot water
98ºC Red tea or coffee
90ºC Floral or green teas
60ºC Honey lemon warm water
Zero dry heating
The AOS patented refill sensor maintains the system’s integrity by ensuring consistent water replenishment according to your needs.
Overnight water?
If you don’t like drinking water which has been left overnight, simply clear your tank for fresh water each morning with the touch of a button.
Dual filter replacement indicator
Light indicator at both hot water faucet and water purifier changes colour to reflect life of the filter, giving you ample time to arrange for filter replacements.
White – Normal
Orange – 5% life
Red – 0% life
What is RO?

Brand Comparisons
Due to the overwhelming number of filters and dispenser choices in Singapore, we started creating easy, table comparisons by popular demand. Will a comparison done with another brand help you make a better decision? We are glad to help. Send us a WhatsApp text “Hi AOS, can you compare the AOS hot water dispenser or MAX4 with ____(insert the weblink of comparison model)___ please?” When we get your message, we will study the specs and create a similar table for you.
How to use the hot water dispenser?
Quick notes on filter change
Filter Change
- After changing filter 1, 2 or 3, let water run from the filter tap for 15 min.
Caution
- Do not let filter tap run over 20 min or this will cause ‘leak protection’ to be activated and system will shut down.