Direct Flush Valves

(1)  Every direct flush valve shall,

    (a)   open fully and close positively under service pressure,

    (b)   complete its cycle of operation automatically,

    (c)   be provided with a means of regulating the volume of water that it discharges, and

    (d)   be provided with a vacuum breaker unless the fixture is designed so that back-siphonage cannot occur.

Article Ontario Regulation 332/12 Building Code, Information published by for educational purposes only