No. Dry pendant are only required on wet systems where the head
penetrates into a cold space or on dry system drops (apart from the
one exception where the system and drop are in conditioned spaces).
Another interesting question: Could you substitute drops filled with
an anti-freeze/water mixture for dry pendants on a dry system?

On Wed, Oct 20, 2010 at 8:51 AM, Craig Leadbetter
<cleadbetter.l...@chartermi.net> wrote:
> Are dry pendent heads required in an antifreeze system that had drop pendent 
> heads?
>
>
>
> Craig Leadbetter
>
> Safeguard of Marquette
>
> (Office) 906-475-9955
> (Fax) 906-475-5474
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>
> cleadbetter.l...@chartermi.net
>
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-- 
Ron Greenman
Instructor
Fire Protection Engineering Technology
Bates Technical College
1101 So. Yakima Ave.
Tacoma, WA 98405

rgreen...@bates.ctc.edu

http://www.bates.ctc.edu/fireprotection/

253.680.7346
253.576.9700 (cell)

Member:
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They are happy men whose natures sort with their vocations. -Francis
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