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- Aug 17, 2011
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I have what I think is a bypass gate valve near my Ideal Mexico 2 / RS100 boiler. Should this be open or closed in normal operation ? It is shown with a red "handle" at the bottom of the picture(s).
( I do not know if my 18- year old boiler has a pump overrun.)
( I do not know if my 18- year old boiler has a pump overrun.)
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