Plumbing – Very low water pressure in house

plumbingwater tankwater-pressure

I have a single stored house with an overhead tank and a one inch pipe running down.
In bath rooms this one inch pipe is reduced to half inch as all our bath room fittings come with .5 inch gauge.

I am not sure whether increasing the pipe size from one inch to two inch will increase the pressure, as its more affordable than buying a pressure booster pump.

for a 15 L bucket, its taking about 10 mins to fill it. having a shower with current pressure is a dream. I need to fix this at the earliest as its becoming more frustrating with out water pressure.

please let me know your thoughts and comments.

Thanks
Subbu

Best Answer

Pressure

In a system fed from a header-tank, the pressure depends only on the height of the tank. To increase pressure you have only two or three options:

  • Raise the tank higher.
  • Install an electric pump (these are often used for showers)

If your header-tank is filled from a high-pressure municipal supply, you would probably get better pressure from that directly but in most places this would be a large job involving extensive knowledge of plumbing and local laws or codes. Your existing pipework and fittings might not be suitable for high-pressure.

Flow rate

The rate of flow is affected by

  • pressure
  • diameter of pipe
  • length of pipe

Half-inch pipe is usually adequate for sinks, basins, showers etc.

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