anti-siphonage pipe definition
anti-siphonage pipe means any pipe or portion of a pipe provided for the protection by ventilation of the water seal or trap against unsealing by siphonage or backpressure;
anti-siphonage pipe means any pipe or portion of pipe provided for the protection of a water seal or trap against unsealing by siphonage or back pressure;
anti-siphonage pipe means a pipe or a portion of a pipe provided to protect, by ventilation a water seal or tap against unsealing through siphonage or back pressure;