Navien NR-21DU Tankless Water Heater Remote Sub-Controller NPE Series

Specifications

New in box DESCRIPTION Navien NR-21DU - Remote Controller - NPE Series The Navien NR-21DU is an optional remote controller designed for use with Navien NPE-S2 and NPE-A2 series tankless water heaters. This compact wall-mounted unit enables users to control key functions of the water heater from a convenient remote location, including power, temperature adjustment, and recirculation scheduling. The controller features an LCD display for viewing operational status, temperature settings, and total run time. It also includes dedicated preheat and timer buttons, making it especially useful in systems with recirculation. The NR-21DU supports dual controller setups, allowing control from two different locations.

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