What is the difference between low pressure and mains pressure? Comments Off on What is the difference between low pressure and mains pressure? 21 Jan 2016 Vote Up 0 Vote Down Answered Public Public Private Electric Water Cylinders Anonymous asked January 21, 2016 What is the difference between low pressure and mains pressure? 1 answer Vote Up 0 Vote Down Public ⋅ January 21, 2016 Low Pressure is typically delivered at 76Kpa whereas Mains Pressure is 450Kpa #1 Please login or Register to Submit Answer