Plumbing · P-SNJZT

Flush Valve Installation

Materials

Steel

Elements

Walls Floors / Slabs Arches Connections / Plates

Connections

Bolted Connection Timber / Mass-Timber Connection

About this detail

A flush valve installation comprises a one-and-a-half-inch spud, vacuum breaker tube, and check valve positioned six inches minimum per CPC 603.5.1 above the top of the toilet. The water closet carrier is secured using five-eighth-inch diameter ASTM F1554 Grade 36 through-bolts or rods at three locations on the carrier, complete with standard nuts and washers on top of the carrier. Additional structural support incorporates four-by-eight blocking with Simpson A34 framing anchors on each side and each end, accompanied by two-inch square by one-quarter-inch washer plates at each through-bolt. Floor framing below and sill plates are detailed per structural drawings with Simpson A35 connectors provided at the ends of blocking where adjacent to walls.

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