Recent content by Calibretto

  1. Calibretto

    "WWSD On Diff" - How it Works - Navien NCB 240-110H

    I recently had the Navien NCB 240-110H installed in my home and I'm trying to decide on the appropriate setting for "WWSD On Diff". The only info in the manual on this setting is on p. 107: "Set the differential temperature to deactivate the Warm Weather Shutdown." Link to the manual PDF...
    • Calibretto
    • Thread
    • navien odr outdoor reset warm weather shut down wwsd
    • Replies: 1
    • Forum: Boiler Forum
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