Tankless battery backup without Flow Sensor

$479.00 $459.00
(You save $20.00)
(No reviews yet) Write a Review
Usually ships in 24 hours!
43.00 LBS
13.50 (in)
8.50 (in)
12.00 (in)
Calculated at Checkout
Bulk Pricing:
Buy in bulk and save
Free Shipping Nationwide
Without Flow Sensor

Introducing X1-NF - The only battery backup system designed especially for tankless water heaters and gas appliances.

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
  • Maintenance free operation
  • 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 complete maintenance free battery backup solution for all gas-powered tankless water heaters and appliances during power failures.


  • Gas tankless water heater (all brands)
  • Convectors
  • Direct Vents
  • Combo Boilers
  • Furnaces
  • Stoves

Other Uses:

  • Modems, Routers
  • CPAP machines
  • Charge iphones/tablets/laptops and many other mobile devices

Package Content:

  • HUGO Battery Backup
  • Mounting Brackets (4)
  • Mounting Screws (9)
  • Door Key
One year manufacturer's warranty on material and workmanship excluding battery. Three (3) months full warranty on included battery.

Videos Hide Videos Show Videos