Check valve: why you need one and where to fit it
How a check valve works, where it is essential in a system with a pump, a borehole and a water heater, and how to tell that it lets water flow back.
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How to pump water out of a basement with a drainage pump
Which drainage pump a basement needs, how to make a sump pit with automatic pumping and a float switch, and where to discharge the water.
DIY drip irrigation from a water tank
How to build drip irrigation from a tank without a pump: how high to raise the tank, which filter you need, how to lay the drip tape and refill the tank with a float valve.
Humming, whistling and banging pipes: causes and DIY fixes
A hum with the tap open, bangs when it closes, whistling and clicking: where noise in household plumbing comes from and how to fix it yourself.