Both lines need insulation on new installs around omaha anyway,I never worry about liquid line on change outs though.3/8" is a liquid doesn't need insulation. That low voltage wiring coming out of the wall really needs a waterproof box to keep wire nut and tape dry.
I'd like to why? If there using 410 a refrigerateBoth lines need insulation on new installs around omaha anyway,I never worry about liquid line on change outs though.
Theyre trying to be like california I guess,something to do with efficiency they say.I'd like to why? If there using 410 a refrigerate