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A shower may drip after shutoff because stored water is still draining—or because the closed valve is still supplying fresh water. Learn how to tell the difference.

Replacing a thermostatic cartridge is only half the repair. The new part must match the valve, seat correctly, receive balanced hot and cold supplies, and be recalibrated with a thermometer.

A shower faucet is the visible control and trim, while the shower valve manages water behind the wall. Learn how they work together and what to check before replacing either part.