Why Does My Hot Water Run Out So Fast?
Whether it dropped off suddenly or faded over years tells you almost everything. One points at an element, the other at sediment or simply more people.

Whether it dropped off suddenly or faded over years tells you almost everything. One points at an element, the other at sediment or simply more people.
It is rarely a blocked drain. It is a drain that cannot take water as fast as the machine pumps it out, and that points to something specific.
One of two valves is failing to seal, and a few drops of food colouring will tell you which. Then how to measure what it is actually costing you.
It is rarely the pipes. Three tests that tell you which part has failed, and why a bathroom built in the last six years may not be your bill at all.
Two valves to check before you call anyone, both free. Then the three things Sydney Water itself names as the usual causes, and how to measure what you are actually getting.
A bang when a tap or appliance shuts off is water hammer, and in Sydney it usually comes down to pressure. How to find the trigger, and the fixes in order of cost.
Four agencies, four numbers, and one table that tells you which one owns your problem. Including the one the SES itself says to call a plumber for.
If the meter moves with every tap in the house shut off, water is escaping somewhere. Where to look, whose pipe it is, and the bill allowance most people never claim.
Get everyone outside, do not touch a single switch, and call Jemena on 131 909 from outside the building. The full sequence, and what happens after.

No hot water anywhere, lukewarm in the shower but hot in the kitchen, or cold after ten minutes are three different faults. Here is how to tell which you have.