Can you help me troubleshoot a leaky hose?

Ronni
by Ronni

We have a roof top terrace and we were using a hose with a thing on the end to change the flow of water etc, which also controls when the water is coming out of the end of the hose even if water is coming from the house into the hose, that was on for about five minutes and nw my whole house is leaking does anyone know why this is happening?

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