MONACO MUST HAVE PURCHASED A BUNCH OF THE ORIGINAL RV3000 BEFORE IT WENT OUT OF BUSINESS.  THEY WANTED $350 FOR IT, AND I KNOW FROM READING ONLINE THE HEATER IS WORTH NO MORE THEN $150.  I AM NOT VERY KNOWLEGABLE ELECTRICALLY, SO I AM NOT SURE ABOUT SOME OF THE THINGS YOU BROUGHT UP, AND IT IS SOME OF MY CONCERNS WITH THE 110V BACK SEAT HEATER I PURCHASED, IF IT IS ABLE TO RUN WITH NO RISK OF FIRE DANGER WITH THE EXISTING SET UP OF THE CARGO HEAT.  I THINK THE THERMOSTAT IS INSIDE THE CARGO HEATER AND THE BACK SEAT HEATER HAS A THERMOSTAT SWITCH ON THE FRONT OF THE HEATER, BUT NOT SURE WHAT THE RANGE IS FOR TEMPERATURE.     APPRECIATE ANYONES HELP WITH THE HEATER I PURCHASED AND IF IT WILL WORK SAFELY,LIKE I SAID IT IS RUNNING AND APPEARS TO BE DOING WHAT I NEED???