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Service Overview

Endless hot water, if it is installed right.

A tankless water heater heats water only when you open a tap, so you never run out mid-shower and you stop paying to keep 50 gallons hot all day. The catch is that tankless units are far less forgiving of a sloppy install. Most gas models need a larger gas line than the old tank used, dedicated stainless or PVC venting and a condensate drain. Our valley water is hard, so we also install isolation valves for annual descaling; skip that and scale will shorten the heat exchanger's life. We install and repair Navien, Rinnai and other major brands, and handle tankless water heater repair for error codes, ignition failures and flow problems. Still deciding? Compare options on our gas vs. electric water heaters page.

What Our Tankless Water Heaters Service Includes

Tankless Water Heater Installation
Tank-to-Tankless Conversions
Gas Line Upsizing & Venting
Isolation Valves for Descaling
Tankless Water Heater Repair & Error Codes
Annual Descaling & Flush Service

Customer Benefits & Peace of Mind

Never run out of hot water
Frees up floor space in the garage or closet
Lower standby energy costs
Units often last longer than a tank when maintained

Signs Your Tankless Unit Needs Service

  • Hot water turns cold mid-shower
  • Error code on the unit display
  • Reduced flow or pressure at hot taps
  • Unit will not ignite or keeps shutting down
Why AccuFlow

The details most plumbers skip.

Upfront pricing, always

Every job comes with a firm, agreed-upon number before we start.

Local, not a franchise

We grew up around these streets, not a call center.

Clean job site guarantee

We treat your home like our own, every single visit.

Common Questions

Tankless Water Heaters FAQs.

Quick answers before you call.

See all FAQs →
For many households, yes, especially if you run out of hot water or want the space back. Upfront cost is higher than a tank, so we compare both for your home.
Yes. With our hard water, they should be descaled about once a year to protect the heat exchanger and keep the warranty valid.
Often it needs to be upsized. We check your meter, line size and run length before quoting.

Tired of running out of hot water?

Call (209) 330-FLOW Now
AccuFlow Plumbing truck at a customer's home
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Lodi, Acampo & Surrounding Areas
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Saturday8am – 5pm

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Plumbing emergency? Skip the form — call (209) 330-FLOW and we'll respond as quickly as we can.
Request A Quote

Get A Free Estimate
In Minutes.

Tell us what's going on — we'll follow up fast with a same-day appointment or a flat-rate quote.

We'll follow up fast — usually the same day.