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The plastic ferrule is the right part for plastic tubing. The brass ferrules can cut through the tubing. The original install was wrong.
Blackhat
Bad experiences come from poor decisions. So do good stories.
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You’re right about the brass cutting into the tubing, but I figured that was the intent. I will stick with what I used then.
I may try to pull it out just to test it and see just how well these fittings work.
VH07V
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Getting 25’ from the sink to the fridge could be a touch pricey with that plan. One size fits all is a myth
Blackhat
Bad experiences come from poor decisions. So do good stories.
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Eventually, I’ll put in an ice maker valve in the wall behind the refrigerator and run pex to the copper line.
Thats what should have been done but wasn’t.
VH07V
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Have you ever had to turn off the water to a dishwasher and discover the only shut-off for it (besides the main) is not where you would expect? I have, it was somewhere above the basement ceiling but not near the dishwasher. By the time I found it, that ceiling had to be repaired too; and there was no real need for it. Now think about pulling out a refrigerator full of food while the water dispenser is squirting water on the floor and the rollers won't come out of the impressions they've made in the vinyl. Think there'll be clean up needed in the basement too?
In most kitchens we'll find shut-offs under the sink. That's the place I always look first. I would think that's the first place most would look too. If a new connection is needed, one could use a 3/8" compression tee, and/or a 1/2" (compression) valve with two 3/8" compression connections. Of course I think installing four, securly mounted, 1/2" ball valves and reducing as required is best.
BTW... 25' of 1/4" is fine for an ice maker; 3/8" is much better for a dispenser. Reduce it behind the fridge if needed. Add a 5 micron filter under the sink for more capacity and fewer refrigerator filter changes.
Sign at N.E. Vocational School Cabinetmaking Shop 1976, "Free knowledge given daily... Bring your own container"
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At our last house the fridge was fed by a line that ran through the wall to a bathroom vanity on the other side. It was attached to the line for the vanity with a vampire tap. As soon as I saw that mess I plumbed it properly.