i was going to go with one of the big electric units, but the 55 degree rise in water temp wouldn't work for me in winter. My winter incoming water temp is 50-60 degrees.
if i make any changes, i will install a recirculation system using something like these:
http://www.amazon.com/Watts-500800-P.../dp/B000E78XHG
http://www.taco-hvac.com/en/products...t_category=360
Quote:
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Whole House Hot Water Recirculating Pump, Recirculating Pump Mounts To The Hot Water Outlet On The Water Heater & The Sensor Valve Mounts Under The Furthest Lavatory In The House Run, Turns Plumbing Into A Re-Circulating Loop, Every Faucet Will Have Hot Water Instantly
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