The most common problems with refrigerant lines are mechanical damage, leakage and corrosion. Where piping is exposed to possible damage, the lines should be routed out of the way or be protected in some form of chase. Where refrigerant piping (or condensate drains) are routed through building walls, floors, or ceilings, if the holes drilled… Continue reading Six Horrible Mistakes To Avoid If you (Do) Drainage Blocked Drains