The On-Demand water heater is also designed to fit existing openings for most brands and sizes of RV water heaters. Operates on propane and requires 12 Vdc power. Dimensions: 16"D x 12 1/2"W x 12 1/2H without door. Performance Class leading 50k BTU high output burners deliver more hot water, more days of the year. Operation No customer training needed.Turn on HOT and add cold to get desired temperature. Continuous hot water No more RV showers. Hot water is only limited by the fresh water supply. Save weight - No tank saves up to 100 lbs. Energy efficient - Only uses energy when hot water is demanded. One size fits all Designed to easily fit the rough opening for any brand of RV water heater. The item "Atwood On-Demand RV Water Heater LP Gas Electric 90205 Tankless" is in sale since Monday, May 6, 2019. This item is in the category "eBay Motors\Parts & Accessories\RV, Trailer & Camper Parts\Interior". The seller is "partsprosupply" and is located in White Pigeon, Michigan. This item can be shipped to United States.