The water runs down the tube to the floor drain and the water seal is maintained.
Floor drain trap primer installation.
802 se 199th ave.
The flush valve operated trap seal primer gets its name from its installation.
It is an elastomeric type check valve flapper that opens to allow water to flow and closes in a no flow condition to prevent trap seal evaporation.
This type of device must conform to asse 1072 and may be used in both new and existing floor drains.
It is placed below the flush valve on a water closet or urinal and connects to the floor drain by a tube so that the tube can catch some of the water discharged from the flush valve.
Trap primer adapters adapters features.
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Trap primer adapters are installed on the floor drain outlet prior to the p trap.