Titan N-42 tankless water heater Most likely your water heater

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

or running any application that requires unlimited hot water

The Titan Digital N-270 replacement circuit board fits the Titan N-270 tankless water heater

the control board will no longer be able to handle it and the SCR will allowed full power to the heating elements with no control

Titan N-42 tankless water heater Most likely your water heaterThe 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