04-02-2014, 03:23 PM
If you are running the coach engine it warms up very fast with the engine coolant, depending on what size element your 120v is it does take about 1/2hr if you have no shore power you will have to run the gennie. I have this same water heater in mine and I like it
Love old school
1976 Newell 8.3 cummins allison 6spd
1977 Newell 8.3 cummins allison 6spd