Titan N-42 tankless water heater The TITAN N-180 is rated

The TITAN N-180 is rated at 18 KW

two wires coming out of unit and it takes 2x50 amp double pole breakers and 2x6awg wires

Most likely your water heater has other different heating elements beside this one

or running any application that requires unlimited hot water

and its compact size allows installation basically everyplace

Titan N-42 tankless water heater The TITAN N-180 is ratedThe Titan N 42 incorporates new space age technology and features a faster and more accurate temperature sampling system, a manual resettable thermostat and new air water deferential analyzing system to prevent dry starts, (which is a key problem for other tankless systems on the market today). By heating water only as it is needed the TITAN N 42 point of use tankless water heater eliminates the need for bulky water heater that heat water