I would have to know what T'stat is installed. What air conditioner(s) and furnace(s) are on board. How it is wired and if all units are working properly to tell you why it might fry the T'stat.
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Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7
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