We installed the Watts hot water re-circulation pump on the hot water system (above the tank) about a year and a half ago and are truly enjoying the benefits. We have nearly instant hot water at the tap in the bathrooms and kitchen. I have been tracking our water, electric, sewer, gas, and amenity costs using a spreadsheet since the day we moved in about 8 years ago. I honestly can't see any noticeable changes in cost since we installed the pump. The cost warning argument, as posted here, is total nonsense. There is an easy to use timer on the pump unit and we set the timer to operate between 5 AM and 10 PM. We switch the pump off at the timer during our extended vacations. The total cost for this convenience is very small. Why wouldn't you make your life easier and more comfortable?
Xavier
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My approach to today's politics: "Re-examine all you have been told. Dismiss what insults your soul" ~ Walt Whitman 
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