sec.32Water efficiency requirements— Act , s 166

### sec.32 Water efficiency requirements— Act , s 166 For section 166 (11) of the Act , the following water efficiency requirements are prescribed— for toilets—a dual flush toilet with— a maximum water volume of 6.5L for a full flush and 3.5L for a half flush; and an average flush volume of not more than 4L; for shower heads—a maximum flow rate of 9L a minute; for internal cold water taps installed over a hand basin, kitchen sink or laundry trough—a maximum flow rate of 9L a minute. For subsection (1) (a) (ii) , the average flush volume of a dual flush toilet is the volume worked out using the following formula— where— AV means the average flush volume. FF means the volume of water used for a full flush. HF means the volume of water used for a half flush. A toilet using 6L for a full flush and 3L for a half flush would have an average flush volume of 3.6L. In this section— maximum flow rate , for a shower head or tap, means the maximum volume of water that can flow through the shower head or tap as installed. maximum water volume , for a full or half flush of a dual flush toilet, means the maximum volume of water used for each full or half flush. (sec.32-ssec.1) For section 166 (11) of the Act , the following water efficiency requirements are prescribed— for toilets—a dual flush toilet with— a maximum water volume of 6.5L for a full flush and 3.5L for a half flush; and an average flush volume of not more than 4L; for shower heads—a maximum flow rate of 9L a minute; for internal cold water taps installed over a hand basin, kitchen sink or laundry trough—a maximum flow rate of 9L a minute. (sec.32-ssec.2) For subsection (1) (a) (ii) , the average flush volume of a dual flush toilet is the volume worked out using the following formula— where— AV means the average flush volume. FF means the volume of water used for a full flush. HF means the volume of water used for a half flush. A toilet using 6L for a full flush and 3L for a half flush would have an average flush volume of 3.6L. (sec.32-ssec.3) In this section— maximum flow rate , for a shower head or tap, means the maximum volume of water that can flow through the shower head or tap as installed. maximum water volume , for a full or half flush of a dual flush toilet, means the maximum volume of water used for each full or half flush. - (a) for toilets—a dual flush toilet with— (i) a maximum water volume of 6.5L for a full flush and 3.5L for a half flush; and (ii) an average flush volume of not more than 4L; - (i) a maximum water volume of 6.5L for a full flush and 3.5L for a half flush; and - (ii) an average flush volume of not more than 4L; - (b) for shower heads—a maximum flow rate of 9L a minute; - (c) for internal cold water taps installed over a hand basin, kitchen sink or laundry trough—a maximum flow rate of 9L a minute. - (i) a maximum water volume of 6.5L for a full flush and 3.5L for a half flush; and - (ii) an average flush volume of not more than 4L;