1/2" pex is not 1/2"?
On my 2003 Itasca 30B I had a valve blow apart for my city water fill. I took the valve out and just need to cap it off for now. Went to Lowes and bought a 1/2" pex plug but it's to small. The pipe in...
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jplante4 wrote:TNGW1500SE wrote:
UPDATE: It says "Tuffpex by uponor 1/2" on the pipe. It must be 1/2" inside diameter. The pex at Lowes must be 1/2 outside.
Traditionally, tubing is measured OD and pipe is measured ID. I guess it then depends on whether pex is considered tubing or piping. I always thought it was tubing, but I'm not a plumber. I assume that since it needs to interface with piping somewhere in a water system, they went ID.
This is correct, as I discovered during a recent plumbing project at my home. Pex is listed as ID.
