TUSTIN CA · 12-MONTH DESCALING · RECURRING SERVICE PLAN

Tankless Maintenance Plan
Tustin CA — Annual Hard Water Service

In Tustin’s 15–19 GPG hard water, annual descaling is the single most important thing you can do for your tankless water heater. We set the reminder. We come back. We keep your unit running at full efficiency — and your warranty valid.

📞 Book Annual Service
Annual tankless maintenance plan Tustin CA

What’s Included in Every Annual Service Visit

💧 Professional Descaling (Core Service)

We circulate citric acid solution through your tankless heat exchanger to dissolve and flush calcium and magnesium scale deposits. This is what manufacturer maintenance guidelines recommend — but at 12-month intervals in OC’s 15–19 GPG water, not the 24 months written for national average conditions.

Duration: 60–90 minutes. Unit runs a full hot water cycle post-service before we leave.

🔎 Full System Inspection

Inlet and outlet filter inspection and cleaning. Condensate trap check (condensing models). Flow sensor check. Gas pressure verification. Venting inspection. Ignition electrode check. Error code history pull and review. We document everything and report any concerns in writing before we leave.

You receive a written service report with every visit — for your warranty file and resale records.

Service Pricing — Tustin CA 2026

Descaling Only

$150–$225

Professional citric acid descaling of heat exchanger. Inlet filter clean. Post-service draw cycle verification. Single unit.

Full Annual Service

$225–$285

Descaling + full system inspection + written service report + 12-month reminder set. Recommended for all Tustin units.

Dual Unit Service

$380–$450

Both units serviced in a single visit. North Tustin and Villa Park estate homes with cascaded systems. Full inspection and report on both units.

Why Annual Service Matters in Tustin Specifically

15–19 GPG

Tustin water hardness

Manufacturer guidelines are written for 7–8 GPG US average. At 15–19 GPG, scale accumulates at twice the rate. Their recommended interval is wrong for Tustin.

Year 2–3

When error codes appear

Without annual descaling, Tustin tankless units reliably show Navien E003 or Rinnai Code 12 by year 2–3. Annual service prevents these entirely.

15–20 Yrs

Unit life with service

Annually serviced tankless units in OC regularly reach 15–20 years of efficient operation. Unserviced units frequently need replacement by year 5–8.

Maintenance Plan FAQs

How often should my tankless water heater be serviced in Tustin CA?+
Every 12 months. Manufacturer guidelines recommend 12–24 months nationally — but those guidelines are calibrated for 7–8 GPG average US water. In Tustin’s 15–19 GPG MWDOC supply, scale accumulates at twice the national rate. The correct OC interval is 12 months. We set this reminder at every installation we complete.
Does annual maintenance keep my warranty valid?+
Yes — for most brands. Navien, Rinnai, Noritz, and Rheem all include maintenance requirements in their warranty terms. Failure to descale in hard water conditions is often cited as grounds for warranty denial on heat exchanger claims. We document every service visit with a written report that you can provide to the manufacturer if a warranty claim arises.
I’ll be calling them every year for maintenance — how do you set the reminder?+
We log your unit’s service date and contact information and send a reminder 11 months later by text and email. You confirm the appointment, we book and return. No contracts, no automatic charges — you confirm each visit before we schedule. “I’ll be calling them every year for maintenance” is one of the most common phrases in our customers’ reviews because the reminder actually works.

Book Your Annual Tankless Service — Tustin CA

Professional descaling. Written service report. 12-month reminder set. Your warranty stays valid. Your unit runs at full efficiency.

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🔴 Tustin’s Tankless Specialists — Same-Day Service

Tustin Tankless Specialists