An electronic trap primer valve is housed inside a 12-inch by 12-inch by 4-inch NEMA-1 galvanized steel cabinet. The unit features a 24-hour timer controlled by a 120-volt electrical connection through a top conduit, complete with a 5-amp fuse and manual override. Water is supplied via a 3/4-inch source connection feeding an atmospheric vacuum breaker and the solenoid valve. Four typical tube connections route water from the valve to individual floor drain traps, alongside a future connection and a 1/2-inch domestic cold water supply running to hub, floor, and overflow drains.
NOTES: 1. BASIS OF DESIGN: 24 HR TIMER ATMOSPHERIC VACUUM BREAKER TUBE CONNECTIONS FOR ROUTING TO TRAPS (4-TYP) FUTURE CONNECTION 1/2"DCW TO HUB DRAIN, FLOOR DRAIN AND OVERFLOW DRAIN 3/4" WATER SOURCE CONNECTION 12"X12"X4" NEMA-1 GALVANIZED STEEL CABINET 5 AMP FUSE MANUAL OVERRIDE ELECTRICAL CONDUIT 120V CONNECTION
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