"The Eccotemp 45HI-LP Indoor Liquid Propane Tankless Water Heater is one of the largest indoor models of the Eccotemp tankless line. Rated at impressive 6.8 GPM and 140,000 BTU per hour, the 45HI-LP 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 45HI-LP is powered by natural gas. With its fully automated control system, the Eccotemp 45HI-LP is the ideal choice for any standard sized home. The Eccotemp 45H/HI series is CSA Certified for US and Canadian use guaranteeing a safe, easy, and enjoyable installation experience. This bundle includes the Eccotemp 45HI-LP with 3/4" Service Valve Kit and EZ-Flush Descaler Kit, keeping your water heater unit running at full efficiency and ensuring that it provides hot water for years to come