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EEMAX HATB007240 | AutoBooster Tankless Electric Water Heater

by Eemax
Original price $337.88 - Original price $337.88
Original price
$337.88
$337.88 - $337.88
Current price $337.88

7.2 kW AutoBooster for tank water heaters. Increases hot water capacity by up to 45%. Compact, efficient, and easy to install.

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Eemax HATB007240 AutoBooster™ Tankless Electric Water Heater

The Eemax AutoBooster™ adds up to 45% capacity to water heater tanks, increasing the amount of available hot water so homeowners can enjoy hot showers, longer. This innovative solution effectively gives a 50-gallon tank the capacity of an 80-gallon tank without taking up more space. The AutoBooster™ attaches directly to your existing tank or can be wall-mounted nearby, working seamlessly with both electric and gas water heaters. With its digital user interface, precise temperature control (±1°F accuracy), and convenient vacation mode with freeze protection, the AutoBooster™ offers a practical solution for homes that need more hot water without the expense and disruption of replacing their entire water heating system.

Performance & Specifications

Feature Specification Benefit
Power Rating 7.2 kW, 240V, 30A ✓ Powerful supplemental heating for substantial hot water boost
Temperature Range 80-140°F with 1°F increments ✓ Precise temperature control (±1°F accuracy) for optimal comfort
Installation Time As little as 45 minutes ✓ One-trade installation, much faster than replacing a water heater

How It Works: Intelligent Boosting Technology

Stage 1: Enhanced Output

Function: Provides additional heating to water exiting your tank water heater

Benefit: Gives a 50-gallon tank the capacity of an 80-gallon tank without taking up more space

Stage 2: Smart Integration

Function: Uses existing electrical infrastructure when paired with electric tank water heaters

Benefit: Simplifies installation and reduces additional costs for electrical work

Stage 3: Vacation Mode with Freeze Protection

Function: Allows homeowners to switch off power to their tank when away; automatically reactivates if water temperature drops below 60°F

Benefit: Saves money on energy bills without risking freeze damage to your home

Key Features

  • 45% More Hot Water: Dramatically increases capacity of your existing water heater
  • Flexible Installation: Mounts directly on water heater or on nearby wall in as little as 45 minutes
  • Energy-Saving Vacation Mode: Turn off when away with automatic freeze protection
  • Digital User Interface: Easy-to-read display with external controls for temperature adjustment
  • Universal Compatibility: Works with both electric and gas tank water heaters

Ideal Applications

  • Homes with High Demand: Perfect for families who run out of hot water during showers
  • Limited Space Settings: Get 80-gallon tank performance in a 50-gallon tank footprint
  • Existing Electric Water Heaters: Utilizes existing electrical infrastructure
  • Gas Water Heaters: Compatible with separate power supply for enhanced hot water capacity
  • Vacation Homes: Use vacation mode to save energy when property is unoccupied

Performance Features

  • Increase deliverable hot water up to 45%
  • Compact design
  • Temperature accuracy +/- 1°F
  • External controls for adjustable settings
  • Digital user interface
  • Easy installation on new or existing tank water heater
  • No need for additional electrical infrastructure when used with an existing electric water heater
  • Field replaceable element
  • ETL certified for USA and Canada
  • Warranty, five (5) years limited on leaks, one (1) year parts

What's Included

  • 1 × Eemax HATB007240 AutoBooster™ Tankless Electric Water Heater
  • 3' of 10 AWG wire for electrical connection
  • Installation and operation manual

Note: This product is designed for use with standard tank water heaters. Not recommended for use in recirculation applications or with heat pump water heaters and smart electric tanks with WiFi connections. Professional installation recommended. Covered by a 5-year limited warranty on leaks and 1-year warranty on parts.

Application: Increases deliverable hot water capacity of tank water heaters

Dimensions: 8" × 11.5" × 3.75"

Weight: 5.8 lb

Voltage: 240V

Power: 7.2 kW

Max. Amperage: 30A

Recommended Wire Size: 10AWG

Temperature Range: 80-140°F

Min. Operating Pressure: 25 PSI

Max. Operating Pressure: 150 PSI

Water Connections:

  • Inlet: 3/4" NPT female
  • Outlet: 3/4" NPT male

Turn On Flow Rate: 0.3 GPM

Temperature Rise:

  • At 0.5 GPM: 98°F
  • At 1.0 GPM: 49°F
  • At 2.0 GPM: 25°F

Features: Digital user interface, external controls, field replaceable element

Certifications: ETL certified for USA and Canada to UL499

Warranty: 5 years limited on leaks, 1 year parts

INSTALLATION

Turn off circuit breaker. Install unit on hot water outlet pipe above tank heater (requires 14" clearance). Cut pipe following manual diagrams. Connect inlet to tank outlet and outlet to home hot water line. Disconnect tank power wires and route through AutoBooster first, then reconnect to tank. Connect unit to 240V circuit. Turn on water supply and check for leaks. Professional installation recommended.

MAINTENANCE

Inspect inlet and outlet connections annually for signs of damage. Do not over-tighten connections. If you have hard water, periodically remove heating element and soak in vinegar to remove scale buildup. Unit has freeze protection feature to prevent pipe damage. Always disconnect power before servicing.

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