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The controller for a pressure maintenance pump

Question asked by baskaripour on Feb 7, 2018
Latest reply on Feb 7, 2018 by nocivus

Dear All

NFPA20 2016 edition section 4.26.8 says "The controller for a pressure maintenance pump shall be listed but shall not be required to be listed for fire pump service."

since this code is only related to fire pump service, I can not understand is The controller of a pressure maintenance pump required to be Listed or not.  please guide me.

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