Pex Insert x Ballcock Fitting
Pex Insert Fittings are sized by the inside diameter (ID) of the tubing. We have listed the Inside diameter (ID) and the outside diameter (OD) to help you select the right size fitting
Call Size 3/8" ID fits 1/2" OD
Call Size 1/2" ID fits 5/8" OD
Call Size 3/4" ID fits 7/8" OD
Call Size 1" ID fits 1 1/8" OD
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