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卫生间吊顶止逆阀有没有必要安装？

卫生间吊顶止逆阀有没有必要安装？

浏览：156次 | 提问时间： 03-17 06:04

卫生间装修有必要安装止逆阀嘛？卫生间安装止逆阀的作用是什么？

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5个答案

不一样的烟火 03-17 06:05

止逆阀一般安装在厨房等场合，那么卫生间止逆阀有必要装吗?卫生间需要安装止逆阀。卫生间一般会安装排气扇将卫生间异味排出，大家需在卫生间通风管道处安装止逆阀，安装排气扇止逆阀能够避免公共通风管道的异味倒流到卫生间中，导致卫生间很臭，影响到居住的舒适度等等。在安装止逆阀时我们需注意，止逆阀应水平安装，且箭头方向要朝上。

眼见灼伤 03-17 06:13

一定要装！！主要原因有三点：

1、中、高楼房，有独立的卫生间公共排气管，不安装止逆阀，公共排气管道的空气会进入卫生间;

2、低楼房或自建房，由于楼层低，和很多小动物的活动空间重叠，不安装止逆阀，小鸟、蝙蝠、壁虎会住进排气孔(或吊顶夹层)，或者进入浴霸内，亲身经历：外婆家浴霸进来过一只鸟，发臭了才发现。

3、另外不安装止逆阀，浴霸的排气管不好固定，长时间使用你也无法确定排气是否正常，可能只是把卫生间空气排在吊顶空间内

尼玛要滚趁早 03-17 06:22

说白了，卫生间安装止逆阀的作用就是防止公共烟道邻居的臭味倒灌到自己家里!因此，卫生间安装止逆阀是有一定必要的。如果自家卫生间不安装止逆阀，整天都得忍受卫生间的臭味，我想应该没人受得了!

欠 03-17 06:30

卫生间当然需要安装止逆阀，卫生间安装逆止阀的作用是为了防止串味，另外也可以防止外面的小动物飞进来，而且卫生间止逆阀的安装就相对比较简单，有风的情况下，合页打开，没有风的事情下就合起来，这样外面的小动物是没办法进来的，外面有味道的话，也会被隔绝在外面。

BadGrl 03-17 06:39

卫生间止逆阀有必要装。因为止逆阀的主要作用就是解决日常排气、排雾等问题，让卫生间告别臭、闷等异味。若不安装止逆阀的话，那么通过排气扇排出去的臭味，又会通过排气扇再次回流到卫生间来，导致卫生间异味很重，影响业主居住的舒适度。

但是卫生间安装止逆阀也分以下几种情况!

①开发商通常都会提前安装好了止逆阀，如果检查发现质量还可以，那么就不需要重新更换安装了;但如果开发商安装的止逆阀质量不行，建议重新安装。

②如果自家卫生间直接排向户外，没有与整个楼层的排气管道相连，则不需要安装止逆阀。

③如果卫生间排气扇上已经有了止逆阀，那不必另外安装止逆阀了。

另外跟大家说一点，卫生间的止逆阀最好让安装浴霸或者集成吊顶的师傅给安装，收费问题提前问好。

还有一种情况，很多人家里住几年了，换灯拆吊顶时才发现，浴霸的排气管压根没接，这也是很多工人的惯用做法，你不盯着点，根本就不会主动接，反正藏在吊顶里，业主也难以发现。基于此，这个细节一定要注意，在吊顶前就让工人把止逆阀装好(最好是瓷砖贴好后再装)，装浴霸时，更要叮嘱工人将其接好。

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卫生间吊顶止逆阀有没有必要安装？

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