Designed for low volume shower handset. Turn on 0.5 gpm, max. 1.0 gpm. Constructed of high strength reinforced salt water resistant "Engineering Plastic". Both water flow and temperature are controlled with a valve on the inlet side of the water heater.
Power and amp draw gauged for standard US shore power supply. Unit turns on automatically. Shuts off again when water flow stops, no waiting for tank to heat up. No standby heat loss, 99% efficient.
FEATURES - Made With Salt Water Resistant "Engineering plastic" - Flow-Activated Unit - Low Installation Cost - 99% Energy Efficient
SPECIFICATIONS - Dimensions: 10 3/4" x 5 1/4" - Weight: 4 lbs. - Cover: White ABS UL rated 94Vo Glass reinforced "NORYL"* heater body - Element: Replaceable cartridge insert - Inlet Pipe Fitting: 1/2" NPT
CAUTION: The voltage, amperage, and circuit breaker specifications must be met for this heater to function. Please make sure all requirements are met before purchasing this heater.
Eemax Marine Tankless Water Heater 
