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11. <br />Model F3QR56 Dry Horizontal Sidewall Sprinkler with Model FP Recessed Escutcheon (SIN R5734) <br />“A” Dim.31/2” to 48” (89mm to 1219mm) in 1/4” (6mm) increments for 1” connections or <br />3½” to 36” (89mm to 914mm) in 1/4” (6mm) increments for 3/4” connections <br />Note: Do not install the Model F3QR56 Dry Horizontal Sidewall sprinkler with the Model FP escutcheon in walls which are positively pressurized with <br />respect to the protected space. <br />Fig. 8