I dont understand what everybody's issue is with back heat...? I mean my rack uses only back heat and my temps will go up to and over 100 degrees if i set it that way!! IMO, back heat is the only way to go, its easier to install, less dangerous to the snakes, and if the tub's hot end gets 92 degrees, what matters if its by back heat or belly heat...92 is 92 no matter what direction it comes from...!!!!
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