Fortune Priya. sink & faucet. July 20th , 2017.
After the handle is removed, the valve stem should be unscrewed from the faucet. A wrench can be used for this purpose, and the nut--which is hexagonal in shape, should be removed by turning the wrench in the counterclockwise direction.
You may find that there is still some water in that p-trap, so drain it in the bucket or the pan.
Once you replace the valve seat carefully, make sure you replace all the other damaged parts, namely - washer, valve stem, and possibly the faucet handle as well. Make sure you replace washers of both, hot as well as the cold water supplies, as a precautionary measure.
Before you get to the main task of repairing the bathtub faucet, disconnect the main water supply pipe to avoid wastage of water. To disconnect the supply, turn the round knobs that are attached to the hoses, in the clockwise direction.
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