Low point drain

[JPG]

I have a 2018 Grand Design Reflection and I want to change the plugs on the low point drain to ball valves. I’m not sure what size the pex tubing is, it doesn’t feel like 1/2 inch, was wondering if anyone knew the correct size of the 2 tubes.
Thank you

 

[monkaw]

I have a 2018 Grand Design Reflection and I want to change the plugs on the low point drain to ball valves. I’m not sure what size the pex tubing is, it doesn’t feel like 1/2 inch, was wondering if anyone knew the correct size of the 2 tubes.
Thank you











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I’ve got a similar model—those low point drain lines are usually 3/8" PEX, not 1/2". It throws a lot of people off because of the fittings. You can always double-check with a caliper if you want to be sure, but 3/8" is likely what you’re working with. Ball valves make a big difference, by the way—nice upgrade.