ncb 240e

  1. Marlin9393

    Recommended Navian NCB-240E Psi

    I did maintenance on my unit last night. I have 2 expansion tanks i changed 1 of my expansion tanks the other I took off the one I bought didn’t fit I put it back on ..The expansion tank I replace pre charged at 40.9 psi so I set my other expansion tank to 35 psi..After the maintenance I turn my...
  2. Maksim

    Meaning of supply water temperature and return water temperature

    Hi, I have NAVIEN NCB 240E combi in my house. Paragraph 3.2 says: The default space heating supply water temperature range is 104°F (40°C, Absolute MIN) to 180°F (82°C, Absolute MAX). ● The default space heating return water temperature range is 86°F (30°C, Absolute MIN) to 149°F (65°C...
    • Maksim
    • Thread
    • combi navien ncb 240e water temperature adjustment
    • Replies: 1
    • Forum: Boiler Forum
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