Eccotemp 45HI-NG Indoor Natural Gas Tankless Water Heater 

by Eccotemp | Item  #: 748658 | Model #:  524463 |
Eccotemp 45HI-NG Indoor Natural Gas Tankless Water Heater
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  • $ 499 00
Non-member price: $548.90  Join now!
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  • Free shipping for Plus
Delivery estimates, taxes, and fees are based on ZIP Code. Club Pickup orders are based on your club’s current price and item availability on the day of payment.

About this item

  • Indoor equivalent to the Eccotemp 45-H outdoor tankless water heater
  • Designed to supply hot water to standard three-bedroom, two-bathroom home
  • Up to 6.8 GPM (Gallons per Minute) flow rate
  • CSA certified, UL listed power cord


Rated at an already impressive 6.8 GPM, the Eccotemp 45-HI is also a split system adaptable, which can further increase efficiency and hot water delivery speed.  With its fully-automated control system, the Eccotemp 45-HI is the ideal choice for any standard-sized home.


  • CSA certified for US and Canadian use
  • Natural gas-powered
  • Digital remote with simple controls and diagnostics
  • 110 volt UL-listed power cord
  • 140,000 BTU
  • Energy Factor: 0.80
  • 10-year warranty on heat exchanger
  • 5-year warranty on replacement parts
  • Energy rating: 82%
  • Hot water capacity range: 1.2 - 6.8 GPM

Manufacturer Info

For additional questions or concerns regarding this product, please contact the Manufacturer's Customer Service Department at 1-866-356-1992 ext.1

Assembled Country


Assembled Size

15 x 5 x 24

Component Country




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Shipping Information

Standard - 2 to 6 business days

Premium - 2 to 4 business days

Express - 1 to 2 business days

  • Delivery is not available to Puerto Rico

Warranty Information

10 year warranty on the heat exchanger, 5 year warranty on replacement parts.

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