Sounds right, but I recommend a LABEL AFTER you verify; do NOT turn ON UNLESS WH TANK= FULL; (maybe switch at outside access to prevent damage when empty)
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THenne1713
2000 Conquest LE 6266, Class-C on 99-E450SD, 6.8, 2v, V-10
That switch turns your water-heater ON when your rig is plugged into “shore” power..... otherwise the water heater switch on the main panel turns ON the water-heater so that it is using propane......Rob