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ADRIUM Service Solutions
(925) 999-4095 · San Ramon, CA · CSLB #1136642 · BBB A+

NAVIEN · MORAGA

Service · All Navien Models

Navien Tankless Water Heater Service · Moraga, CA

Navien tankless service in Moraga, for the ranch homes and hillside properties around Saint Mary's and the Rheem valley

  • $75 diagnostic (waived with repair)
  • Same or next-day best effort
  • CSLB #1136642
Call (925) 999-4095

Navien in Moraga

Navien heating and cooling in Moraga.

Moraga is mostly single-family homes from the 1960s and 70s on larger lots, plus some custom hillside builds. A lot of these houses converted from tank heaters to tankless during a remodel, and the conversion is where things go sideways. A Navien wants its own properly sized gas branch and dedicated venting, and a remodel that reused old pipe usually shorted one of those.

We service Navien condensing tankless across Moraga, including the homes up toward the Saint Mary's College side where well water and softener setups change the descaling picture. Hard water plus a softener that is past due on salt is a combination I see make heat exchangers scale even faster.

ADRIUM is based right over the hill in San Ramon, so Moraga is a short run for me through the valley. I look at the whole install, gas, vent, condensate, and water hardness, not just the part that is throwing a code.

Common repairs we do

What we close on the truck.

  • Vent terminated wrong on a remodel conversion. Plenty of Moraga tank-to-tankless conversions reused an old B-vent or terminated the new PVC too close to a window or soffit. The Navien then recirculates its own exhaust and throws combustion errors on cold mornings. I correct the termination clearances and re-pitch the intake and exhaust so it draws clean air.
  • E110 exhaust blockage from debris and nests. Hillside Moraga homes near trees get leaves, spider webs, and the occasional nest in a low sidewall termination. That restricts exhaust and trips E110. I clear and screen the terminations and confirm the flue path is clear end to end before resetting.
  • Accelerated scaling behind a tired softener. Homes here often run a water softener. When the softener is out of salt or the resin is shot, the Navien scales fast. I descale the exchanger and check the softener output hardness so the same problem does not come back in six months.

Models we service

Navien product lines.

  • Condensing tankless water heaters (NPE and KD series)
  • Combi-boilers (heat plus domestic hot water)
  • Condensing gas boilers for hydronic heat
  • Recirculation and ComfortFlow systems
  • Stainless heat exchangers and venting

Pricing and warranty

What it costs. What we stand behind.

  • $75

    Diagnostic visit. Waived when you book the repair with us.

  • Written

    90 days on consumables, 1 year on major parts, 2 years on sealed-system rebuilds. Quoted in writing before work starts.

  • CSLB

    #1136642. Bonded and insured. We file warranty paperwork when applicable.

Nearby cities

Navien service in neighboring cities.

FAQ

Navien in Moraga questions, answered.

  • How long does it take you to reach Moraga from San Ramon
    It is a quick one. From San Ramon I cut over through Lafayette or around through Orinda and I am in Moraga in well under half an hour most days. Same-county routing, no travel fee.
  • My Navien is on well water with a softener, does that change descaling
    It does. A working softener slows scaling a lot, but a neglected one makes it worse than city water. I test your softened water hardness when I descale, so we treat the actual cause and not just the symptom.
  • Is annual descaling really necessary here
    In Moraga with our mineral content, yes, once a year is right for most homes. If you have a good softener we can sometimes stretch it, and I will tell you honestly based on what I find inside your heat exchanger.

Need Navien service in Moraga?

Tell us what is broken. We will quote it.

Call (925) 999-4095
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