: How do you connect 1/2 (o.d.) inch soft copper tube to 1/2 (i.d.) inch hard copper pipe?
: Can I sweat or must I use the compression adapter fitting. I perfer to sweat. The compression likes to leak. Raul

Raul,
You can find sweat couplings that bridge the two sizes. Refrigeration supply stores have them, and some plumbing suppliers. Terry