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3.9K Residential Head Replacement

Question asked by dupuisj on Jul 30, 2018
Latest reply on Aug 1, 2018 by nocivus

I have a building with old residential flush mounted 3.9K heads.  I can't seem to find a 3.9K residential replacement.  Are there any other options?  Are there any commercial quick response 3.9K heads that are listed for residential as well?  If all of the heads in each area are changed can I go to a different K factor?