Posted by Harold Kestenholz - Hydronic Network on February 22, 2000 at 17:34:05:
In Reply to: Vaillant Boilers posted by Chris on February 22, 2000 at 17:09:26:
A service manual on a Vaillant boiler is from Vaillant on the email address below. A boilout is using an acid to dissolve the calcium-magnesium collection inside a boiler without burning a hole in the metal.
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