I hate to be the doom sayer here but ya got about a 90% chance that the inverted flare in the old fittings are probably crushed or distorted from the old Steel lines. There is a real good chance that if you put new lines on your old fittings your gonna end up with a leak. Do as you wish but if it were me I would also replace the brass.
Denny Graham
Sandwich, IL


Denny G
Sandwich, IL