Each flushing tank shall be equipped with an approved ball-cock. The ball-cock shall be installed with the critical level of the vacuum breaker at least one inch above the full opening of the overflow pipe. If the ball-cock has no hush tube, the bottom of the water supply inlet shall be installed one inch above the full opening of the overflow pipe. In cases where the ball-cock has no hush tube, the bottom of the water supply inlet shall be installed one inch above the full opening of the overflow pipe. Any ball-cock in which the critical level of the vacuum breaker is less than ten inches from the bottom of the flush tank or adjustable to less than ten inches must be approved before installation.
(Ord. 23-38, passed 11-9-2023)