He was talking about the boiler drain valve at the side and bott

回答: Is it the same as this one? thanksfirefly20002015-02-03 15:41:55

The top valve in your picture is the flushing valve I was talking about. Professional way is screw a garden hose to the valve and close the valve below the flushing valve to flush out the air bubbles with water.

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Okay, I will text my handyman by following your instruction to c -firefly2000- 给 firefly2000 发送悄悄话 firefly2000 的博客首页 (13 bytes) () 02/03/2015 postreply 15:58:10

The boiler drain valve is at the side and bottom of the tank. -pa40- 给 pa40 发送悄悄话 (76 bytes) () 02/03/2015 postreply 17:24:05

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