ProMax residential electric water heater has industry leading glass-lining with superior corrosion resistance. Provides quality hotel-like hot water unmatched by instant water heaters.

ECLN40X at less than 32" in height is a lowboy model, suitable for providing good hot water volume in low clearance area.







Why Choose Our Product


  • Blue Diamond® Glass Coating

    Provides superior corrosion resistance compared to industry standard glass lining. Blue Diamond® Glass coating blend is formulated in the same lab that creates the protection for our industry-leading commercial product line.

  • Enhanced-Flow Brass Drain Valve

    Our residential water heaters have a solid brass, tamper-resistant, enhanced-flow, ball type, drain valve. They use a standard female hose fitting that allows for fast and easy draining during maintenance.

  • CSA Certified and ASME Rated T&P Relief Valve

    Protects the tank from excess pressure and temperature.

  • Diffuser Dip Tube

    PEX cross-linked polymer dip tube ensures incoming cold water enters at the bottom of the tank to prevent mixing with the hot water at the top.

    Helps reduce lime and sediment buildup while maximizing hot water output.

  • Coregard Sacrificial Anode Rod

    Aluminum anode rod with stainless steel core protects the tank from corrosion.

  • Tank Construction

    Heavy duty carbon steel tested at 300 psi and rated for 150 psi working pressure.

  • Heat Traps

    Equipped with factory installed heat traps on the inlet and outlet connections, improving energy efficiency.

  • Temperature Controls

    Surface mounted control thermostats with a temperature range from 43°C /110°F to maximum 71°C /160°F and hi-limit factory fixed setting at 83°C /180°F.

    Thermostats accurate to ± 2.5°C/ 5°F.

  • Code Compliance

    Complies with UL 174, SASO, GSO, PAI, and IEC 60335-2-21 certifications

    Meets US DOE and ASHRAE/IES 90.1 thermal efficiency and standby heat loss requirements.


Gallon Capacity 38
Energy Factor 0.92
First Hour Rating Gallon 48
Element Wattage 6000
Available Wattage 2000, 2500, 3000, 4500, 6000
Voltage 240V
Warranty 1 Year Factory Defect Warranty
Anode Coregard™ Aluminum Anode
Water Connection Location Top
Water Connection Size 3/4"
Type Floor Standing
Height 31-3/4"
Diameter 24"
Shipping Weight 113 lbs / 51.3kg