TuffguyF4i Posted January 14, 2015 Share Posted January 14, 2015 One type of system. Scan down for diagram. https://www.plumbingsupply.com/grundfoscomfortpumps.html Another type. Pretty cool. The pump seems to push through the valve at the sink till temperature is reached at the valve under the sink...then it shuts. http://www.watts.com/pages/whatsnew/IHWRS.asp Quote Link to comment Share on other sites More sharing options...
spicholy Posted January 14, 2015 Share Posted January 14, 2015 Yes, that is a viable option. But, your cold water line is now warm. So, if you want cold water to drink or brush your teeth with, you have warm water. If you are cool with that, it will work. Quote Link to comment Share on other sites More sharing options...
TuffguyF4i Posted January 19, 2015 Share Posted January 19, 2015 I think it would be quite minimal and only around that faucet. It all depends on how quickly 98 degrees is reached. Quote Link to comment Share on other sites More sharing options...
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