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Model F3QR56 Dry Pendent Sprinkler with Model F1 Recessed Escutcheon (SIN R5714) <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 />Fig. 5 <br />8.