What does without built-in zone control electronic board mean for the Dometic FJX5457MWHCS?
Air Conditioner - FreshJet 5; Fits 14" x 14" Vent Openings; 13500 BTU; White
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Open May 12, 2026 - 09:30 PM
1answer
Staff Answer
May 13, 2026 - 10:58 AM
It means this model does not include the internal electronics for thermostat/zone management. “Zone control” on RV air conditioners means the system can independently control different areas (zones) of the RV — for example, front AC and rear AC operating at different temperatures from one thermostat system.
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