PVC Sizing Information

New to working with PVC Pipe? Have a questions about choosing the right PVC fitting size? Please review the information below to make sure you order the correct PVC fittings. If you have any questions please contact us and we will be happy to assist you.

Note: Your PVC pipe must be schedule 40 or 80 to be compatible with our PVC Fittings. If your PVC pipe is marked with CTS or CPVC (tan in color) then they are measured differently and will not fit.

PVC Pipe Markings
(Also the inside diameter)
PVC Pipe Outside DiameterCompatible PVC Fitting Size
3/4" or .75"1-1/16" (1.050")
3/4"
1"
1-5/16" (1.3125")
1"
1-1/4" or 1.25"
1-5/8" (1.625")
1-1/4"