I was just wondering how hot my water is allowed to be at Kitchen my tap? Comments Off on I was just wondering how hot my water is allowed to be at Kitchen my tap? 18 Jan 2016 Vote Up 0 Vote Down Answered Public Public Private Electric Water Cylinders Anonymous asked January 18, 2016 hi, I was just wondering how hot my water is allowed to be at Kitchen my tap? 1 answer Vote Up 0 Vote Down Public ⋅ January 20, 2016 In New Zealand the rated domestic temperature is 55 (regulated by a tempering valve) degrees to any wash hand basin, bath, shower or kitchen tap but your laundry may be un-tempered as per G12 NZBC up to 60 degrees. #1 Please login or Register to Submit Answer