---
title: "Plumbing Blog | Dominick Plumbing — Scottsdale, AZ"
description: "Practical plumbing guides for Scottsdale and Valley homeowners — water heaters, softeners, leak detection, and more from Dominick Plumbing."
lang: en
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-   [Water Heater Install & Repair](/services/water-heaters)
-   [Tankless Water Heater Installation](/services/tankless-water-heater-installation-scottsdale)
-   [Water Softeners](/services/water-softeners)
-   [Reverse Osmosis Systems](/services/reverse-osmosis)
-   [Pipe & Slab Leak Repair](/services/pipe-leak-repair)
-   [Automatic Leak Detection & Shut-Off](/services/leak-detection-shutoff)
-   [Drain Cleaning & Hydrojetting](/services/drain-cleaning)
-   [Toilet Replacement](/services/toilet-replacement)
-   [Faucet Replacement](/services/faucet-replacement)
-   [General Plumbing Repair](/services/plumbing-repair)
-   [View all services →](/services)

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-   Recommended Products
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-   [Trutankless Electric Tankless](/products/trutankless-electric-tankless-water-heaters)
-   [Encore Reveal Softener](/products/encore-reveal-water-softener)
-   [Encore IonX5 Conditioner](/products/encore-ionx5-water-conditioner)
-   [Waterdrop Reverse Osmosis](/products/waterdrop-reverse-osmosis)
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[(623) 323-4538 Call ](tel:6233234538)

Dominick Plumbing Blog

# Honest plumbing advice for Valley homeowners

Practical guides on water heaters, softeners, leak repair, and the quirks of Scottsdale & Phoenix-area plumbing — written by the licensed technicians doing the work. Every article is grounded in real jobs we run across the Valley, with 2026 pricing, code notes, and the trade-offs we'd explain to you in your own kitchen.

Scottsdale plumbing is its own animal. Hard water averaging 17–22 grains per gallon chews through water heaters, fouls fixtures, and shortens the life of every appliance that touches hot water. Slab-on-grade construction means leaks hide under concrete instead of in a basement. Summer attic temperatures push 150°F, which is brutal on PEX manifolds and expansion tanks. The articles below are written with those realities in mind — not generic national advice copy-pasted from a template.

Use this library to size a water heater before you buy one, price out a slab leak repair before the first quote arrives, decide between salt-based and salt-free softeners, or figure out what that banging in your wall actually is. If you'd rather just talk to a plumber, call [(623) 323-4538](tel:+16233234538) — we answer the phone, give flat-rate written quotes, and never upsell repairs you don't need.

## What you'll find here

### Water heaters

Sizing guides for tank, tankless, and heat-pump units, 2026 replacement costs across Scottsdale and Phoenix, lifespan expectations with our hard water, and the failure signs that mean replace instead of repair.

### Leaks & repairs

How non-destructive slab leak detection actually works, when to spot-repair vs. reroute vs. repipe, what causes banging pipes (water hammer, loose straps, expansion), and how to read a fair plumbing estimate.

### Water quality

Salt-based vs. salt-free softeners for Scottsdale water, reverse osmosis at the kitchen sink, whole-home filtration options, and how to right-size a system so you're not paying for capacity you'll never use.

New guides go up regularly. If there's a plumbing question you wish someone would just answer plainly — sizing, pricing, brand picks, repair vs. replace — tell us and we'll write it.

-   [
    
    Drain Cleaning 
    
    ## What Is Hydrojetting and When Do You Need It?
    
    What hydrojetting is, the kitchen drain problems it actually fixes, and 2026 costs to hydrojet individual drains in Scottsdale — from a licensed AZ plumber.
    
    August 24, 2026 11 min read 
    
    Read article 
    
    ](/what-is-hydrojetting-and-when-do-you-need-it)
-   [
    
    Leak Detection 
    
    ## Whole House Leak Detection System Installation Guide
    
    How whole house leak detection system installation works in Scottsdale: placement, prep, 2026 costs, timeline, and calibration from a licensed plumber.
    
    August 9, 2026 10 min read 
    
    Read article 
    
    ](/whole-house-leak-detection-system-installation)
-   [
    
    Leak Repair 
    
    ## Main Water Line Repair in Scottsdale: Costs & Signs
    
    Main water line repair in Scottsdale: 2026 costs, leak warning signs, repair vs. replace, and trenchless options from a licensed AZ plumber.
    
    August 8, 2026 11 min read 
    
    Read article 
    
    ](/main-water-line-repair-scottsdale)
-   [
    
    Water Quality 
    
    ## Is Reverse Osmosis Good for You? The Science, Explained
    
    Is RO water good for you? A licensed plumber reviews the evidence on mineral loss, fluoride, PFAS, pH, and water waste in Scottsdale.
    
    August 1, 2026 12 min read 
    
    Read article 
    
    ](/is-reverse-osmosis-good-for-you)
-   [
    
    Water Heaters 
    
    ## Tankless vs Tank Water Heater: Is Upgrading Worth It?
    
    Tank vs tankless in Scottsdale: 2026 install costs, real payback math, and why most homes end up using more hot water after switching.
    
    July 31, 2026 11 min read 
    
    Read article 
    
    ](/tankless-vs-tank-water-heater-cost-benefit-scottsdale)
-   [
    
    Water Heaters 
    
    ## Do I Really Need an Expansion Tank on My Water Heater?
    
    Do you need a water heater expansion tank? Code rules, the closed-system test, failure signs, and 2026 install cost ($225–$425).
    
    July 29, 2026 9 min read 
    
    Read article 
    
    ](/do-i-need-expansion-tank-water-heater)
-   [
    
    Leaks & Repairs 
    
    ## Outdoor Faucet Leak Repair in Scottsdale, AZ
    
    Licensed Scottsdale plumber's guide to outdoor faucet leak repair — why hose bibbs fail here, DIY checks, and flat-rate replacement pricing ($250–$450) in 2026.
    
    July 28, 2026 8 min read 
    
    Read article 
    
    ](/outdoor-faucet-leak-repair-scottsdale)
-   [
    
    Faucets 
    
    ## Touchless Faucet Pros and Cons (2026 Plumber's Guide)
    
    A plumber's honest guide to touchless faucet pros and cons — the dead-battery problem in 1-star reviews and the $40 AC adapter fix.
    
    July 16, 2026 10 min read 
    
    Read article 
    
    ](/touchless-faucet-pros-and-cons)
-   [
    
    Leak Detection 
    
    ## Moen Flo vs Phyn Plus vs LeakSecure (Scottsdale 2026)
    
    A Scottsdale plumber compares Moen Flo, Phyn Plus, and locally-made LeakSecure leak shut-off systems — features, cost, and fit.
    
    June 28, 2026 11 min read 
    
    Read article 
    
    ](/moen-flo-vs-phyn-plus-vs-leaksecure-scottsdale)
-   [
    
    Water Softeners 
    
    ## Water Softener Repair in Scottsdale: 2026 Guide
    
    Licensed Scottsdale plumber's guide to water softener repair — common failures, DIY checks, flat-rate repair costs, and when to repair vs replace in 2026.
    
    June 28, 2026 9 min read 
    
    Read article 
    
    ](/water-softener-repair-scottsdale-guide)

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![Dominick Plumbing](/assets/dominick-plumbing-logo-kbhHe4U8.png)

Family-owned, licensed plumbers serving Scottsdale and the entire Valley. Clean water. Pure confidence.

Licensed · Bonded · Insured

## Contact (NAP)

-   Dominick Plumbing 
-   Scottsdale, AZ  
    Arizona ROC #350819 
-   [(623) 323-4538](tel:6233234538)
-   [info@dominickplumbing.com](mailto:info@dominickplumbing.com)

## Service Areas

-   Scottsdale, AZ
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-   Phoenix, AZ
-   Fountain Hills, AZ
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-   Carefree, AZ
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-   Mesa, AZ

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