不要把降温减压安全阀塞住。
这可能导致降温减压安全阀排泄少量的热水。
This may cause the temperature and pressure relief valve to discharge small quantities of hot water.
每年至少手动操作降温减压安全阀一次，以确认是否工作正常。
Manually operate the temperature and pressure relief valve at least once a year to make sure it is working properly.
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