navien combi

  1. LJoe

    Combi boiler condensation pump recommendation

    Hi, I have the following saniCondens Best pump for my combi boiler and the pump has failed twice in the last 4 years have this installed. I will try to work with the manufacture on a warranty but Does anyone have a recommendation on another brand/model I can use for my combi boiler? I saw...
  2. braindrain22

    Navien NCB 240e Combi Intermittent Short Cycling

    Hi everyone, Aside from the internal circulating pump failing in September, the unit has been running without issue since its install 5 years ago. Everything was in order during my annual service 3 weeks ago by a Navien certified plumber. Starting 2 days ago, I noticed the thermostat calling...
  3. Brooklyn

    Navien Combi Heats home but no DHW

    The Navien is a recent purchase and this issue started when it got really cold. The combi starts up to supply hot water to radiators but does not supply hot water. The water is running cold in all the shower and faucet. There is no error code. The flow should be high as I dont use faucets that...
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