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Posted by mike light on September 12, 2009 at 23:42:02:
1. Should the Auto water feed (feeds to return first)for my steam boiler be fed with cold or hot water?
2. Where should the back flow preventor be in relation to the loop for the auto water feed/ manual bypass?
a. between the feed from the ceiling and the Auto feed/Manual Bypass
b.In the auto feed loop or manual bypass
c. between the autofeed/manual bypass and the feed into the return
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