HELP WITH WATER LEAK - WATER EVERYWHERE.
OK I need some help. This morning I was hearing a humming noise between my kitchen and bathroom. Probably should have stayed home from work and dealt with it, but I didn't. Anyway, got home from work ...
Forum Discussion
Look and see how many vents are on top of the roof. If you have 3, one for each tank, then there is no cross venting. If there are 2 roof vents with 3 tanks there is.
