This model has been redesigned to activate at a lower flow rate of 0.8 GPM as well as updated self diagnostics. 

The Eccotemp 45HI-NG is the largest indoor model of the Eccotemp tankless line. Rated at impressive 6.8 Gallons Per Minute and 140,000 BTU per hour, the Eccotemp 45HI-NG can meet all the hot-water needs of a standard home or apartment with one or two bathrooms, as well as smaller commercial applications. The compact, wall mounted Eccotemp 45HI-NG is powered by Natural Gas. With its fully automated control system, the Eccotemp 45HI-NG is the ideal choice for any standard sized home.

Product Features:

• Rated for 3-4 applications used simultaneously means that taking a shower and running two sinks at the same time is effortless. The Eccotemp 45 Series is ideal for normal hot water heating applications in ANY size residential single-family home.

• Rated at 6.8 GPM at 140,000 BTU with a temperature rise of 38 degrees this ultra-efficient tankless water heater is ideal for just about every single-family home in the US and Canada. With Advanced incoming and outgoing water temperature sensor technology, you always have total confidence when it comes to safety. With a minimum activation rate at .8 GPM means this tankless water heater is perfect for most low flow applications.
  

• CSA certified for installation in the US and Canada. This tankless water heater meets and exceeds all safety and efficiency requirements according to the DOE. With an Energy Factor Rating of .82, you can have peace of mind knowing this tankless water heater is ideal for individuals looking to save money.

• Advanced Generation 2 Computer board with high performance processing and smart adjust technology built in. Our proprietary developed programming meets and exceeds today’s consumer demand needs. Easy, affordable 3” stainless steel venting makes the Eccotemp 45 Series tankless water heater economical and affordable to install.

• Best in class 10-year product warranty offers peace of mind that the Eccotemp 45 Series will withstand the time and use you need. The Eccotemp 45 Series can be complemented with our patented one of a kind EZ-Flush descaling kit to ensure your tankless water heater is running at maximum efficiency all year long.

What’s included:

• 45HI Natural Gas Tankless Water Heater
• 110 volt UL listed power cord
• 10-year warranty on heat exchanger
• 5-year warranty on parts
• Eccotemp EZ-Flush Descaler Kit
• Eccotemp 3/4" Service Valve Kit (Lead Free) by Jomar

45HI Manual

45HI Warranty

The Eccotemp 45HI has been tested for use at elevations up to 2000 feet. Installation and use of the Eccotemp 45HI above 2000 feet may effect overall product efficiency and performance.

IMPORTANT NOTE: Cannot be used for HYDRONIC SYSTEM, RECIRCULATING, or FLOOR HEATING.

Please Note: Failure to clean and descale your water heater quarterly can result in lime and sediment build up within the heater, which can void your warranty! We recommend using our Eccotemp EZ-Flush System Descaler Kit to ensure a clean, energy efficient, long lasting heater!  Click here for details.

All Whole Home Water Heater purchases will be shipped with SIGNATURE REQUIRED. If you wish to remove SIGNATURE REQUIRED from your shipment please contact Customer Service immediately to have it removed. Please Note: By opting out of SIGNATURE REQUIRED you release Eccotemp Systems, LLC from all liability of lost or stolen packages. Call 1-866-356-1992 or chat with us here to speak with a customer service agent.

CSA 2714806

Class 2901 85

Class 2901 05

Class 2902 93

Class 2902 13