1、首先切断电热水器的电源,以确保安全。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d6ca7bcb0a46f21f85c5922fe6246b600d33aedd?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、关闭电热水器下方的两个冷热水角阀。拆掉泄压阀扳手的限制装置,用塑料管接在泄压阀的泄压口的小管子上,用来引出内胆中的水。将泄压阀的扳手由垂直位置,扳转90度,这时泄压阀已经被打开。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/c75c10385343fbf2e8dd6a5fa07eca8064388fdd?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、拆开热水管处的金属软管的接头,这时应该看到从泄压阀中有水流出,内胆中放水的过程开始了。 这时才开始正式清洗内胆,将冷水管道的金属软管接到热水器的热水出口上。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d043ad4bd11373f067cea3e3b40f4bfbfaed04dd?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、开启冷水角阀,让冷水由热水管道冲到内胆里,这时可以看见泄压阀出水口里继续流出混有水垢的水。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/79f0f736afc37931fa994a55fbc4b74542a911dd?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、拧上螺帽,打开三角阀等待水流干净即可。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/f3d3572c11dfa9ecaade9a6b72d0f703908fc1de?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)