Copper "L" vs. "M"

moxiechef · Apr 22, 2008

I can't find any old strings on this topic, sorry.

Building a new house and am wondering which copper to use.

All the supply lines will be run in the conditioned basement, don't know if that matters or not.

Thanks.

Master Plumber Mark · Apr 22, 2008

M Is Ok

i feverything is well grounded in the home

m will probably last about 40 years

L will probably last 55 years...

cost difference maybe about $300 bucks
on the whole house???

I have L above ground and K under the slab
in my 1964 home which we bought in 2001
and I am so glad I do....

Sponsor · 2022-01-29T12:20:58-0800

hj · Apr 22, 2008

copper

I have not used anything but "M" in houses since the 50's.

Master Plumber Mark · Apr 23, 2008

How old are you anyway HJ????

hj said:
I have not used anything but "M" in houses since the 50's.

if you were doing plumbing in the 50s,
than that puts you a ways up there..

that is basically all we ever used was M
and we never had a problem, in the late 60s....

though the L is
just more rugged..

Krow · Apr 23, 2008

We use L mostly on commercial applications (resturaunts, bars, factories that rely on constant water usage, etc.........) We rarely ever use L on residential because of bottom line cost (as if copper prices aren't high enough so far)

Copper "L" vs. "M"

moxiechef

New Member

Master Plumber Mark

Sensitivity trainer and plumber of mens souls

Sponsor

Paid Advertisement

hj

Master Plumber

Master Plumber Mark

Sensitivity trainer and plumber of mens souls

Krow

Plumber

Similar threads