A fraction too much friction
If the water pipes in your home are too narrow, your water supply can lose
pressure due to friction. Replacing your old pipes with larger diameter ones should
make a big difference to your pressure issues.
Blockage in pipes
Blocked pipes are a common cause of low pressure. Calcium deposits can build up
over time to effectively reduce the diameter of your pipe. Your hardware store will
sell chemicals to break up and flush out these mineral buildups.
If only one tap or showerhead is suffering low pressure, there might be a blockage
or calcium buildup in the outlet itself.
Pressure regulators
Pressure regulators are the devices that control the pressure of the water entering
your home. Occasionally, they can malfunction and cause low pressure.
A good plumber will inspect your pressure regulator and replace it if necessary.
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