Tankless Battery Backup with Flow Sensor

$499.00 $449.00
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43.00 LBS
17.00 (in)
18.00 (in)
17.00 (in)
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Flow Sensor Included

Introducing HUGO - The only battery backup system designed especially for tankless water heaters.

Hugo is a compact unit that can mount right next to your existing tankless water heater and can be installed in minutes. Unlike other battery backup systems that offer only minutes of backup protection. Hugo can keep your system going for up to a week without power.

Packed with intelligent features that work seamlessly with gas-powered tankless water heaters, i.e. flow sensor, temperature sensor, pure sine wave, automatic switch over, etc.

Power rating of 350W/500VA is suitable for all gas-powered tankless water heaters and many other gas appliances.


The True Solution to Tankless Water Heaters


  • 5-13 hours of continuous operation
  • Portable or permanent mount
  • Indoor/Outdoor installation
  • IP54 grade for all-weather protection
  • 35Ah AGM non-spill battery
  • Sound/Visual alarm
  • LED indicator for easy troubleshooting
  • Flow sensor switch to prolong battery life
  • Maintenance free operation
  • Anti-Frost assist
  • Auto activate within 8ms upon power outage
  • Auto reset when main power becomes available
  • Auto switchover between main power and inverter mode
  • Built-in fuse to prevent board burnout and to protect downstream appliances
  • Solar capable
  • SMART technology to ensure constant clean power
  • PURE SINE WAVE Technology
  • Output: 500 VA / 350 W

HUGO, the completely maintenance free battery backup solution for all gas-powered tankless water heater power failures.


Please click here for HUGO introduction video.


Please click here for HUGO installation overview.