This used tankless water heater works great! Takagi Model: AT-D2U-OS-N Max input: 199,000 BTU Number of showers this unit can handle, depending on ground water temperature: 4 From Takagi site: The compact T-D2 is a fully modulating, gas fired, tankless water heater perfect for residential and light commercial applications with a commercial-grade copper heat exchanger. The T-D2 can produce enough hot water for up to four bathrooms in warmer climates. Here’s the Takagi site with comparable unit info: https://offerup.co/faYXKzQFnY?$deeplink_path=/redirect/ Selling this because house was remodeled and needed a different type of unit. Water heater is only about five years old. It was manufactured in 2011, but was only used part of the time due to remodeling. Sells for over $1000 new.