If it leaks continuously during use, verify that a rubber washer was used in that connection and that the connection is tight.
If it only leaks after the water is shut-off, there is a vacuum breaker installed there, which prevents water from siphoning back into your water system. It is normal for water to drain at this connection when the water is shut off.
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If it leaks continuously during use, verify that a rubber washer was used in that connection and that the connection is tight.
If it only leaks after the water is shut-off, there is a vacuum breaker installed there, which prevents water from siphoning back into your water system. It is normal for water to drain at this connection when the water is shut off.