Bulletin 157 December 2021 Model F3QR56 Dry K5.6 (80 ...

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coverage sprinklers with a nominal K-Factor of 5.6 (80 metric). Available in Dry Pendent, Dry Horizontal Sidewall, and Dry Up-right configurations, Model F3QR56 Dry sprinklers all use a 3 mm glass bulb operating element. See the Temperature Rat-ings table in this Bulletin for available temperature ratings. Mod -

  Coverage, Horizontal, Sidewall, Dry horizontal sidewall