Water tank sizes
Real listed models for each size, with dimensions, listed prices, and whether the tank needs approval in each state. Checked 13 Nov 2026.
1,000 L2 models listed$513 to $9253,000 L3 models listed$1,125 to $1,6955,000 L5 models listed$940 to $2,43510,000 L4 models listed$1,826 to $2,55022,500 L4 models listed$2,995 to $3,87046,400 L2 models listed$5,350 to $7,030
Not sure which size? Work it out from your roof and use, or run the tank finder.