| Residencial **Digital a pilas (battery powered)** "Millivolt Compatible" (ej. Honeywell TH5110D, TH6110D, FocusPRO) | **SÍ** (si sistema RV usa contactos secos / relés externos) | Pilas alimentan pantalla/lógica. Contactos son interruptores secos (no pasan 12V/24V). Verifique manual: "Millivolt", "Battery powered", "Dry contacts". |