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即熱式電熱水爐

我間屋用兩個3相電即熱式電熱水爐

但最近有問題如下:

1. 其中一個德國寶好吵, 水溫不穩定(爐齡只有2年)

2. 兩個一起開時,水溫不穩定和不夠熱.(另一個是電寶)

3. 其中一個使用時, 如另外開水龍頭(即使是冷水),水溫馬上不穩定

By Anonymous  on 2011-05-06  Answers 0   Views 101

i can answer

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