Eccotemp 45HI-NG Indoor Natural Gas Tankless Water Heater
140,000 BTU heater for homes with up to 2 bathrooms
The 45HI is the indoor equivalent of the 45H Eccotemp outdoor tankless water heater. It is designed to provide hot water to standard three bedroom, two bathroom homes. The 45HI-NG is for indoor Natural Gas installations only. For Liquid Propane applications, please see the 45HI-LP.
Rated at an impressive 6.8 GPM, the 45HI is adaptable to split systems, which can further increase hot water delivery speed and efficiency. The 45HI is the ideal choice for standard sized homes, thanks to its fully automated control system.
• Natural gas powered
• Water/gas connections: 3/4 inch water inlet/outlet, gas inlet
Download the Use & care manual here.
Venting: If you need to buy Z-Vent parts, browse our Venting section at the top of this web page. FYI, this heater allows for a maximum vent run of 20 feet, subtracting 4 feet for each 90° elbow in the run.
Frequently Asked Question ("FAQ")
Q1: What is the difference between the 40H and the 45H?
Q2: Can I convert this from natural gas to propane?
Q3: Is the heated output water potable (drinkable)?