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White rectangular electric tankless water heater, 12.25 by 18.25 by 4.5 inches

Eemax

Eemax EX180T3 208V 18000W electric tankless water heater

SKU CH-XJXH-7TN4N

Delivers up to 5 gpm of continuous hot water at 208 V three-phase with 18 000 W heating power

  • Delivers up to 5 gpm for multiple fixtures
  • Activates at just 1.8 gpm for quick response
  • 18,000 W output handles high-demand applications
  • Compact 12.25 × 18.25 × 4.5 in fits tight spaces
  • 208 V three-phase design suits commercial installations

Commercial electric tankless heater

The Eemax EX180T3 is a three-phase electric tankless water heater rated for 208 V AC and 18000 W. It activates at a minimum flow of 1.8 gpm and can deliver up to 5 gpm. The unit draws 50 A and is built for indoor commercial and industrial environments.

Compact wall-mount dimensions

Measuring 12.25 in high, 18.25 in wide and 4.5 in deep, the heater fits tight mechanical rooms without floor space. A 1/2 in cold-water inlet simplifies connection to existing supply lines. The narrow profile leaves clearance for other equipment in crowded utility areas.

Suits steady high-demand hot water

Facilities needing continuous flow between 1.8 and 5 gpm at temperatures from 100 to 140 °F will benefit. Sites without three-phase 208 V service or a 50 A dedicated circuit cannot use this model. Low-flow fixtures that stay below the activation threshold will not trigger heating.

How it compares

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

Price $1,495.99
Pricier than about 96% of the 1,499 comparable items (median $39.99).

Specifications

Product
Brand nameEEMAX
Product typeOther

Questions about this item

How often does the heating element need descaling in hard water areas?

The unit has no user-serviceable heating element; mineral buildup is managed by maintaining the 1.8 gpm minimum flow activation and periodic flushing per the manufacturer's guidelines.

What limits continuous output when multiple fixtures run simultaneously?

The 5 gpm maximum flow rate and 18000 W power consumption at 208 V three-phase define the thermal ceiling; exceeding 5 gpm drops delivered temperature below the 100 °F minimum.

What is the steady-state power draw and current on a 208 V three-phase supply?

The heater draws 18000 W and 50 A continuously while operating, with no additional startup surge specified for the three-phase circuit.

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