Don't you have a drain nearby?

来源: pcstar 于 2014-07-17 07:30:15 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (184 bytes)
回答: RE: Pressure relief valve 由 joeyli 于 2014-07-16 10:48:33

Simply open the faucet fully and drain the hot water( after you have closed the cold water inlet of course)' dont worry about the pressure relieve valve.

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