: Enjoy a constant flow of hot water without waiting. The RVPart Pro tankless water heater delivers on-demand heating. No need to preheat or worry about running out of power, as it runs on propane instead of electricity - : With 60,000 BTU output, an oxygen-free copper heat exchanger, and a brushless DC fan, this heater is built for both high efficiency and high-altitude use (up to 5000+ ft). Segmented combustion helps prevent overheating during summer - : The built-in microcomputer panel lets you adjust water temperature between 95 F and 123 F. It also displays error codes for quick troubleshooting, making operation simple and stress-free : Designed for tight RV spaces, this unit fits a 15" x 15" door with a 13" x 13" opening. Its lightweight, compact build makes installation fast and hassle-free : CSA-certified and backed by 24-month service support, this water heater includes multiple safety features: forced exhaust fan, freeze protection, stable combustion, and auto shut-off for peace of mind.