Drain the water heater. There is probably deposit there.
所有跟帖:
• just drain is not enough, flush will remove more deposit. -calvinwch- ♂ (0 bytes) () 06/26/2017 postreply 08:58:05
• 多谢波大和 Calvinwch -春雨_2014- ♀ (0 bytes) () 06/26/2017 postreply 11:24:09