As a retired FF open flame LP refrigerator while refueling not an ideal condition! 1988 Winnebago used a 3-way refrigerator: primary 110vac/LP gas/12VDC, while actively driving place dash in dual battery mode (not same as momentary emergency dual start) engine alternator maintained both battery systems under load OK.

2012 Itasca uses a 2-way refrigerator: primary 110vac/LP gas. Back to the safety while refueling issue (I know, simply turn off for 10 minutes, NEVER FORGET!). Can the...