TYCO Model ESFR-17 Upright Sprinklers
are Early Suppression, Fast
Response (ESFR) sprinklers having a
nominal K-factor of 16.8 (Ref. Figure 1).
They are suppression mode sprinklers
that are especially advantageous as a
means of eliminating in-rack sprinklers
when protecting high-piled storage.
Note: Some sprinkler head may or may not have Teflon tape applied. The heads have never been installed.