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枫下家园 / 家用电器 / 家里的热水不像以前那么热了，10年的房子。是不是该换water heater了，现在的是direct energy的。
-backup(后备队);
2012-3-4
(#7328984@0)
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热水炉差不多十年左右，每年要放水清洁底层水构，
-cuda(cuda);
2012-3-4
(#7329237@0)
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Thanks. How to do annual cleanup for the water heater? DIY or ask for professional?
-backup(后备队);
2012-3-5
(#7329938@0)
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youtube search water tank maintenance
-cuda(cuda);
2012-3-5
(#7329961@0)