The lines are very hard, right from new. They get brown as they age. If they get really old then they can get brittle. The leaks have to do with the O-rings flattening. Always use Viton rings.
The lines are very hard, right from new. They get brown as they age. If they get really old then they can get brittle. The leaks have to do with the O-rings flattening. Always use Viton rings.