Taylor,
prompted by Anthony Carrisoza, I looked in the 2019 Handbook edition of
NFPA 20, and found this item in ยง4.16.9.2(2):
* /Where the authority having jurisdiction requires positive pressure
to be maintained on////the suction piping, *_a pressure sensing
line_* for a low suction pressure control, *_specifically
_*//*_listed for fire pump service_*, shall be permitted to be
connected to the suction piping./
All emphasis is mine.
sincerely,
*Ken Wagoner, SET*
*Parsley Consulting
500 West Mechanic Street
Harrisonville, Missouri 64701-2235*
*Phone: (760) 745-6181 *
*Visit the website
<https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fwww.parsleyconsulting.com%2f&c=E,1,Y5zKJKPEh1mBEBqSR-VE9cUKl5y-eyP8BpvmE_5j9ZqW2eJbNphYzrCMBZ-2YuX6d-RRkHI4gQ1FV-cvOeCfRC58uZS9NiToZv2mx7909oCqLvCW_n5hDHeK&typo=1>*
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