HOME Forums Controllers EZSwitch30 Water Heater Installation Reply To: Water Heater Installation

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Just make sure the EZSwitch sees 110VAC between the Line1 IN and Neutral. Otherwise you’ll burn the unit if your heater is powered with 220V. The second relay (Line 2) is totally independent which is why you can switch both legs of a 220V 2-phase system.

We can’t advise relative to location other than to keep from an overheated area and away from moisture..