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  1. I have problem with Navien NCB-190/060H Error Code E031-00

    Jan 28, 2025 · NAVIEN NCB-150E SERVICE MANUAL Pdf Download View and Download Navien NCB-150E service manual online. NCB-E Condensing Water Heaters. NCB-150E …

  2. E010 on Navien with solution and report on my problems over 4 …

    Jul 9, 2015 · Ok, So I have a 4.5 year old Navien NR-210a condensing tankless heater. (Late 2010) I more or less did the entire install myself with the help of a few skilled friends either on …

  3. does the navien npe-240a tankless require an expansion tank?

    Feb 10, 2025 · If you have recirculation Navien wants an expansion tank installed. We usually install one of the little mini tanks about the size of a softball. Where do you install it? Anywhere …

  4. Tips for adjusting air/gas combustion mix in Navien CH-240

    Sep 2, 2022 · With the Navien unit running while a hot water tap is fully on, the exhaust is blowing out 90% LEL gas and 121ppm CO. This CH-240 unit does not have some of the altitude …

  5. Navien 240A (Controlling the Circulation Pump) - Love Plumbing …

    Feb 24, 2022 · Our 240A uses an External Recirculation Line and, at this time, we have no accessories, e.g., NaviLink, Remote Controller (NR-20DU) or HotButtons. Attached …

  6. NPE-240A2 Outdoor install - Clearences - Love Plumbing & Remodel

    Nov 7, 2024 · Current clearance from the bottom of navien unit (from the bottom of the recirculation inlet fitting ) appears to be 45" to 46". The cold, gas and hot water connections …

  7. 240A Check Valve or Flow Sensor? - Love Plumbing & Remodel

    Feb 7, 2021 · Hello all, I've had a Navien NPE 240A for almost 2 years now with no trouble at all... started getting intermittent warm showers and water at the sink instead of hot... now it's pretty …

  8. Navien NPE External Recirculation Confusion - Love Plumbing

    Dec 26, 2021 · The Navien NPE-210A2 installer manual (under 'External Recirculation', (p 84) says: "A2-type models must be set to use an external pump". Is this right? The A2 models …

  9. Navien NCB-240 Combi Boiler - DHW is fine, NO HEAT

    Oct 5, 2022 · 2/2022 Partner replaced a 1969 American standard gas boiler and dying water heater with a Navien NCB 240 Combi Boiler. Heat was fine from Feb thru April...

  10. How do I extend the Navien Navilink RS485 cable to 25 feet in …

    Mar 1, 2025 · Navien sells additional cables, part number GXXX001659. But they have the rs485 connection on one end and the ethernet connection on the other similar to what came with …