Unscrew the nut that connects the drain to the flange using an adjustable wrench if you are replacing the pop-up drain. Then remove the drain flange from the T-connector.

如果你想替换弹出式排水管，你可用可调式扳手拆除连接排水管和法兰的螺丝，然后从T型三通处拆掉排水法兰。

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By insulating flange at the junction between the new and old pipe, the long line galvanic cell is "broken up" - the anode (new pipe) is electrically separated from the cathode (old pipe).

在新、旧管子连接处安装绝缘法兰，破坏了长管道的原电池，即：阳极(新管子)和阴极(旧管子)间电断路。

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Note: You may increase the torque on the rubber sleeve up to two times the specified value without causing sleeve or flange damage.

注意：在橡胶套管上增加的扭矩可以达到规定扭矩值的两倍，在此时仍然不会对套管或法兰造成损害。

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