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11 <br />to : Find measurement B from the chart below. It is the distance from the <br />maximum fluid height allowed to the inside top of the tank. Calculations are <br />based on cylindrical tanks with flat ends. <br />For exact dimensions, consult the <br />tank gauge chart provided with your tank. <br />NFPA30 Guidelines limit tank fill to <br />95%. <br />95% Shut-off <br />Tank Diameter <br />B Dimension <br />Feet Meters <br />Inches MM <br />6.5' 1.98 <br />7.5" 190 <br />7.0' 2.13 <br />8.0" 203 <br />7.6' 2.29 <br />9.0" 229 <br />8.0' 2.44 <br />9.5" 241 <br />8.2' 2.50 <br />9.5" 241 <br />8.5' 2.59 <br />10.0" 254 <br />9.0' 2.74 <br />10.5" 267 <br />9.5' 2.90 <br />11.0" 279 <br />10.0' 3.05 <br />11.5" 292 <br />12.0' 3.66 <br />14.0" 336 <br />The A1100 Overfill Prevention Valve is not recommended for tanks under 6' in <br />diameter. <br />rvIcaaw cn icnt v, . .w-- '- -- <br />cut length measure here <br />SteR4: To determine the top tube cut length, add A and B. <br />SSt ,Q 5: Place tape measure at the 95% fill mark on the valve and measure up <br />the tube as shown. Mark and cut the tube at the C measurement length. <br />Note: If you are using an unflanged tube, you will require part #566679 collar kit. <br />Step 6: Wrap the paper drilling template (p/n 568351, supplied) over the drop <br />tube and tape in place. Line up cut-off line on template with the cut length C. <br />NOTE: The 566675 Drill Fixture is recommended to make this step more accu- <br />rate and to reduce assembly time. <br />4 <br />