Posted by jtown on December 28, 2000 at 05:00:30:
In Reply to: constant low water level posted by jay on December 27, 2000 at 20:00:27:
If you only lose during a cycle, I would check all vents, valve packings and returns including all horizontals above the waterline. A leak might be dripping into a wall or such. Check any lines that disappear into crawlspaces etc.