Search results

  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...
Hey, wait a minute.

This is awkward, but...

It looks like you're using an ad blocker. We get it, but (1) can't live without ads, and (2) ad blockers can cause issues with videos and comments. If you'd like to support the site, please allow ads.

If any particular ad is your REASON for blocking ads, please let us know. We might be able to do something about it. Thanks.
I've Disabled AdBlock    No Thanks