VEVOR Manual EV Charging Switch, NEMA 10-30, Splitter Switch for Dryer & EV, 24A Max 240V Manual Power Distribution with Circuit Breaker, Real-Time Display, Hand-Operated Selector, Plug and Play, ETL
Yes, it is compatible with a 240V water heater as long as the heater uses a NEMA 10-30 plug and does not exceed a continuous load of 24A.
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