Don't really know how but I know it's very slow ...I'm dead until a shower does it's CPR. When I move into a new apt, I have to find one that has free hot water because I take as many as 5 showers a day and each may last 15 minutes or more. I think I'll take one now:)
Pete

"Maybe the problems of two people don't amount to a hill of beans. But this is our hill. And these are our beans!"
- Lt. Frank Drebin