Miscellaneous Anti-Salt Paint Required if within a 1/2 mile of salt water. Anti-Salt Paint Model R. AC/DC Power Cord Required AC/DC power cord for Remote Monitoring Adaptor Model ACDC24. Heater Kit 5kW and 10 kW Required if in a cold area below 40 degrees Fahrenheit. Heater Kit 5 kW Model HHC4W. The Heater Kit is used in cold areas to warm the inside of the CHP and engine block, as well as prevent water from freezing for smooth start up.