Plumbing · M-JTXAQ

Electric Trap-Seal Primer Detail

Materials

Elements

Walls Floors / Slabs Drainage Connections / Plates

About this detail

An electric trap-seal primer assembly is housed within a stainless steel enclosure, designed for recessed wall installation or surface mounting in mechanical rooms. Cold water piping connects to an isolation valve, a strainer, and a metal bellows-type water hammer arrestor adjacent to the trap primer unit. A union connects the supply line to the enclosure, which feeds a calibrated copper manifold assembly for equal water distribution to multiple floor drains. Typical compression connections tie into individual piping drops sloping at a minimum of 1 percent toward each floor drain connection.

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