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RO System Diagnostic
Flat Diagnostic Fee · $99
RO System Diagnostic costs $99 out-the-door at Insider Plumbing in North Phoenix and the North Valley, Arizona (flat diagnostic fee). That price includes parts and materials with our posted 25% markup and labor. Prices verified Nov 12, 2026; final price confirmed after photo review.
Bad-tasting water, slow flow, or air-spitting faucet? We'll diagnose the system.
Price breakdown table
| Line | Qty | Unit price | Total |
|---|---|---|---|
| Parts and materials | 1 | $30.00 | $30.00 |
| Materials subtotal | $30.00 | ||
| Markup (25%)[Note from Tyler on what the markup covers] | $7.50 | ||
| Labor | $61.50 | ||
| Out-the-door total | $99.00 | ||
Prices verified Nov 12, 2026. Final price confirmed after photo review.
Honest diagnosis — sometimes the answer is 'replace the cheap faucet' not 'replace the system.'
What's included
- Full RO system inspection
- Pressure, TDS, and flow testing
- Written recommendation
- Diagnostic fee applied to repair if you proceed
Not included / estimate required for
- Parts and labor for repair (quoted after diagnostic)
Add-ons (when the service has them)
Content to come: optional add-ons with their own prices (e.g. water heater code upgrades), from the Special pricing rules task.
Lead form (pre-filled with this service)
[Form not connected yet. Success message: "We usually reply within 30 minutes."]
What happens after you book
What happens after you book
- Step 1
We reply within 30 minutes.
A real person, by text or phone.
- Step 2
We give you an arrival window of [confirm with Mike & Dan].
Not "sometime Tuesday".
- Step 3
We text when we're on the way.
With the name of the plumber coming.
- Step 4
You approve the price before any work starts.
The posted price, or a written quote for anything else.
FAQ for this service
RO System Diagnostic: common questions
How much does RO System Diagnostic cost in North Phoenix?
RO System Diagnostic costs $99 out-the-door at Insider Plumbing in North Phoenix and the North Valley, Arizona (flat diagnostic fee). That price includes parts and materials with our posted 25% markup and labor. Prices verified Nov 12, 2026; final price confirmed after photo review.
What's included in the RO System Diagnostic price?
The price includes: Full RO system inspection; Pressure, TDS, and flow testing; Written recommendation; Diagnostic fee applied to repair if you proceed.
What isn't included in the RO System Diagnostic price?
Not included, or priced separately after an estimate: Parts and labor for repair (quoted after diagnostic).
Is the posted RO System Diagnostic price final?
The posted price is the out-the-door price for the standard job. Final price confirmed after photo review. If anything on site changes the scope, we quote it in writing before starting work.
Content to come: more questions and answers specific to this service.
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