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Compact rectangular metal unit with front-mounted controls and pipe connections

Eemax

Eemax ED020480T2T 480V 20000W electric tankless water heater

SKU CH-557X-36SJJ

Delivers up to 4 gpm of on-demand hot water at 480 V three-phase with a 0.7 gpm activation threshold and 20 000 W heating power

  • 20,000 W power delivers strong continuous hot water
  • 480 V three-phase supply suits commercial and industrial sites
  • 4 gpm maximum flow supports multiple fixtures at once
  • 7 gpm activation starts heating with minimal draw
  • 100–140 °F adjustable range meets varied temperature needs

Commercial three-phase tankless heater

The Eemax ED020480T2T is an electric tankless water heater built for commercial and industrial environments. It operates on a 480 V AC three-phase supply and draws 24 A at a full power consumption of 20000 W. The unit delivers water between 100 and 140 degrees F at a maximum flow rate of 4 gpm.

Wall-mount installation with half-inch inlet

The heater measures 12.25 in high, 18.25 in wide and 4.5 in deep for indoor wall mounting. A cold inlet size of 1/2 in connects directly to the supply line. Minimum flow activation is 0.7 gpm, so low-demand fixtures may not trigger the unit. Three-phase wiring and 480 V service must be verified before installation.

Suits high-demand commercial sites

This model suits facilities that require continuous hot water at 480 V three-phase power. It is not for residential single-phase electrical systems. Buyers who need higher flow rates or a different voltage should look at other configurations.

How it compares

Measured against everything we stock in Bath Accessories & Soap Dispensers, at today’s prices. Recalculated every night.

Price $1,340.99
Pricier than about 95% of the 1,499 comparable items (median $39.99).

Specifications

Product
Brand nameEEMAX
Product typeOther

Questions about this item

How can I verify the unit is heating correctly after installation?

Confirm the display shows a delivered temperature between 100 and 140 degrees F while water flows at or above 0.7 gpm.

What comes in the box and what must I source separately?

The heater ships as a single unit; you must supply 480 V three-phase wiring, a 24 A breaker, and 1/2 in cold-water piping.

Which capacity suits a 4 gpm demand at 480 V three-phase?

This 20000 W model delivers up to 4 gpm with a 0.7 gpm activation threshold, matching the stated flow requirement.

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