So if I remember this formula correctly, #water x temp rise = BTU
500 BTU / (100 gal) (8.34#per gal)=.6 degrees per pass or per hour. I'm guessing at the BTU of the Frig. Either way he will have a hot water tank and make the refig go out on limit switch.
Rehoboth Bay/Indian River, DE
S/Y KJ, Helms 25
Last edited by Wayne25; 05-21-2008 at 02:46 PM.