5,100 - 17,000 btu of water heating capacity. 
Designed for boats from 20 to 40 feet and RV's/trailers up to 26 feet.
Includes: Spartan Water heater, mounting hardware, 13′ fused power harness, 13′ fuel line and filter, digital control panel with 19′ harness, 5w electric water pump, Bluetooth room temp sensorand wired temp sensor.