How many people does a 50-gallon electric heater serve?

It typically covers three to five people. Households with heavy simultaneous use, such as two showers plus laundry, may want a larger tank or a faster-recovery model.

What circuit does the 5,500W element need?

A dedicated 240V circuit with a breaker sized for the element's draw. Confirm the wire gauge and breaker with a licensed electrician before installing.

How is it different from a 4,500W 50-gallon tank?

Same tank size, but the 5,500W element heats water faster, so recovery after heavy use is quicker. The trade-off is a higher electrical draw.

Is it cheaper to run than a heat-pump water heater?

No. Heat-pump models use far less electricity. This unit is a conventional resistance heater, so it suits buyers who want simple installation and fast recovery over the lowest energy use.

What should I check before replacing an old tank?

Match the height and diameter to the old unit's space, confirm the 240V circuit and breaker, and check local code for expansion tanks and pan requirements.