I'd like your opinion on this. A friend has a newer home with his water heater about 75 feet from his kitchen. To try and save some $ on hot water he thought it would be a good idea to insulate the hot water supply line (it is an unfinished basement). Now the water heater lets the temperature drop to almost luke warm before firing back up. Obviosly this has something to do with the thermostat or limit control but I cannot come up with a definite answer. This is one of the parts of being an inspector that I like, a puzzle (to me anyway). Thanks for any theories.
