Originally Posted by thunter
I put a 12v and gas fridg in my 16 ft scamp
.Demetic model rm190 There was no tstat for 12 volt heater.Got manual from demetian and there is no tstat for 12v operation. Rm 190 12 v is m ade for in transit use only.
All of the older Dometic 3-way fridges I have seen use the same electrical
thermostat for both 120V and 12V operation. I would expect yours to be the same. The particular electricity source is switched before it gets to the thermostat. However, the RM190 uses a 95 watt heater according to the service manual, so it would take about 8 amps of current, meaning your battery
would run down quickly. I would only use it on 12 volt for short periods of time, or in situations where you can replenish the battery
, such as charging while driving.