應該沒問題，開啟後能聽到水泵聲。（在boiler處短路theromstat線，效果應該一樣）

來源: 味苦於 2017-11-07 05:49:53 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.