Depending only on the flow switch?

Some electricians get sketchy on code compliance. If he wants to install it I would question it.
 
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Can you switch use two of the three switches to switch 220V, one for each hot wire? Or is that not per code? Just curious.

Randy
ajw22 noted the possibility outlined in the manual. Doing it deactivates the second timer. So that would be my plan "B", along with flipping the SWCG to be 120v for the third timer, to stay "legal". My heater is circa 1998, so not long for the world, and no manual anymore to see whether it's controls can be switched to 120v as later model years can be. It might even already be set to 120, if I'm lucky. No biggie for the heater, I rarely ever turn it on - and then do it manually only for periods when the pump is running. Just too many $$$ flying away
 
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