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Real job · Damascus, MD · October 2026

Damascus Electric Water Heater Replacement: 65-Gallon Tank Out, 80-Gallon State Commercial In

By HiTrend Plumbers

A Damascus homeowner's 65-gallon electric water heater was leaking. We replaced it with an 80-gallon State commercial electric water heater, plus a new expansion tank, ball valve and drip pan, in a single visit.

Old white Ruud electric water heater with a rust streak down the front, beside a dryer in a laundry room
Before: Before: the old electric water heater, with a rust streak running down the tank.
Wider view of the old electric water heater in the laundry room corner
Before: Before: the old unit in the corner of the laundry room.
Boxed 80-gallon water heater standing in front of an open work van
During: The new 80-gallon heater, picked up and ready to bring in.
Box label for a State electric water heater, model EDT-80-2ORT 250, 80 gallons, 6-year tank warranty
During: Box label: State 80-gallon electric water heater, backed by the manufacturer's 6-year tank warranty.
New gray State Select electric water heater in a drip pan with a blue expansion tank on the wall
After: After: the new 80-gallon heater in its drip pan, with a new expansion tank on the wall.
Top of the new water heater showing new copper pipe, a yellow-handled ball valve and flexible electrical conduit
After: New copper connections, a ball valve on the supply line, and the electrical whip in metal conduit.
Nameplate on the new commercial storage tank water heater showing 240 volts and 4500-watt elements
After: The nameplate on the new heater: 240 volts with 4500-watt upper and lower elements.
Caution and conversion labels on the new water heater noting it was modified with a conversion kit
After: Conversion labels showing the heater was converted to 240 volts with a conversion kit.

The problem

The 65-gallon electric tank water heater in the home's laundry area was leaking from under the tank, and the homeowner wanted it replaced as soon as possible.

What our technician found

When a tank-style water heater leaks from the tank itself, it usually can't be repaired, so replacement is the normal fix. The replacement is an 80-gallon tank, up from 65 gallons, so it stores more hot water. The new heater carries a revised nameplate and a conversion sticker showing it was converted for a 240-volt home supply with a conversion kit. The manufacturer covers the tank with a 6-year warranty.

What we did

  1. Picked up the specific 80-gallon heater from a supply house, since it wasn't in stock locally.
  2. Removed the old 65-gallon electric water heater.
  3. Set the new 80-gallon State commercial electric water heater in a drip pan.
  4. Re-piped the hot and cold connections in copper, with a new ball valve on the supply line.
  5. Installed a new thermal expansion tank on the wall beside the heater.
  6. Reconnected the electrical supply in flexible metal conduit.

Parts used

  • 80-gallon commercial electric water heater (State)
  • Voltage conversion kit
  • Thermal expansion tank
  • Ball valve
  • Water heater drip pan
  • Copper pipe and fittings

The result

The new 80-gallon water heater was installed in a single visit, and the homeowner told us everything went well and our team was very fast.

Tips for Damascus homeowners

  • Rust streaks running down the side of a water heater are a common warning sign. Have it checked before it turns into a leak.
  • Going up in tank size? Make sure the space, the drip pan and the electrical circuit all suit the new unit.
  • A thermal expansion tank protects your plumbing and the heater's relief valve from pressure build-up as water heats.
  • A drip pan under a water heater in a finished area helps protect floors if a future leak happens.
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