Originally Posted by CLG
I still have not found the leaking connection in the kitchen sink drain.
Living in Canada ( I assume) I'd be looking for crack in the pipes rather than the fittings.
I'm in North Carolina and had a leak in the pump under the bed. I Only found that because I tightens all the fittings, still leaked then I pulled the pump and found a crack. I had blown the water out of the system before winter and we didn't have a cold winter