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Posted by mike on September 13, 2009 at 21:14:23:
In Reply to: Re: Hartford loop posted by HeatPro on September 13, 2009 at 12:15:52:
: Looking at the book, how can you determine by the picture that the 2" below the NWL is to the close nipple?
: It looks like it; but if in doubt, call the company and discuss it with them. They might eventually admit that they aren't giving sufficient clarity and education, even though the perfect engineer felt he stated and drew enough.
I'll give williamson a call, but the bit I have spoken to boiler manufacturers, they only want to speak with supply houses or plumbing contractors. right now I'm 2 1/4 " below the NWL. either I'll leave it or change a nipple by a 1/2 inch and bring me to 1 3/4" below the NWL
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