I agree it does look like the HWH box but there should only be one like Richard said. Not sure what the switch does unless it is an override for travel mode?
Inside it would look like this:
Inside it would look like this:
Forest & Cindy Olivier
1987 log cabin
2011 Roadtrek C210P
PO 1999 Foretravel 36'
1998 Newell 45' #486
1993 Newell 39' #337