Searched Catalytic Heaters no results. Question: What size for my 27' Overlander and where can I buy one in Phoenix Az? Leaving for Texas in a week. I boondock along the way. It's cooooled.

Suburban dioesn't work and would draw too much from batt. for over night stay.

I plan to install it near the door on the left.

I saw a trobleshoot chart for these Suburban Heaters some where in the forumns???
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