Check the listing for details. CAMPLUX Tankless Water Heater Natural/Propane Gas Outdoor 6.86 GPM Whole House. Color: White, Condition: New. Listed at 539.99 USD. 【5.28/6.86 GPM Hot Water Heater】Gas tankless water heaters deliver 5.28/6.86 GPM instant hot water on demand, ensuring your entire family enjoys the comfort of hot water anytime without waiting 【CSA Certification】Propane water heater with CSA certified, highlighting its safety and quality standards, it's the perfect upgrade for efficient and reliable hot water in your home 【±1℉ Temperature Fluctuations】CAMPLUX whole house gas water heater features advanced water flow sensors and a smart chip with 1,000s calculation, ensuring constant hot water within ±1℉ fluctuations, which ensures comfortable bathing experience 【High Compatibility】CAMPLUX propane water heater is simple to install and saves over 50% of space compared to traditional tank heaters. It fits easily into most setups.