It is pumped into your home water system by the city water supply, or if you have a well, it's pumped into a pressure tank and then into your home. Either way when you open a faucet (essentially a valve) the water will come out.
That water is used in the cold taps in your bathroom and for the heated water you use. Don't drink from these taps.
if someone put in a hot water tank they may have the lines switched.
Singapore's 4 national taps Singapore's 4 national taps are:1) Water from local catchment2) Imported water from Johor3) Desalinated water from the sea4) Reclaimed/Recycled water from local waste water (NEWater)
You call them
Possibly your hot water tank is rusting out on the inside and will need replacement soon.
taps
Taps need not be made with metal.... But most taps are because they don't melt if hot water passes through............
Check the upstairs taps for blockage in aerator or internally.
turn of taps
The four national taps are the Local Catchment water, Imported water, NEWater and Desalinated water.
Usually there are no letters on French taps; some old taps bear the letters C (for chaud = hot) and F (froid = cold). Hot water taps are always located on the left side, cold water taps on the right. It is also standard to find color marks (blue for cold, red for hot) on the taps. On newer models, having a central lever instead of two taps, you turn the lever to the left for hot water and to the right for more cold water. Also the blue and red marks may be found on these type of taps.
Underground/Above ground pipes from the water station