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The AlphaDrain Blog

Plain answers to the plumbing questions Charlotte homeowners ask.

Large backflow prevention assembly with red and blue valves standing beside its enclosure

Backflow · November 14, 2026 · 7 min read

How much does backflow testing cost in Charlotte, NC?

Backflow tests in Charlotte run from about $75 for a residential assembly to $210 for large commercial ones. See what drives the price and what $199 buys.

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Sediment built up inside a water heater tank

Water Heaters · November 14, 2026 · 7 min read

Why is my water heater making a popping noise?

A popping or rumbling water heater usually means sediment in the tank. Learn when it is dangerous, how a flush works and when the noise means replacement.

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Backflow prevention assembly installed inside a concrete vault

Backflow · November 14, 2026 · 7 min read

Charlotte backflow testing requirements: who must test and when

Charlotte requires backflow assemblies to be tested by an approved tester at installation and every year. See who is covered and what a missed test costs.

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New supply line and shutoff valve installed on a toilet

Leaks & Pipes · November 14, 2026 · 6 min read

How to spot polybutylene pipes in Charlotte homes and what to do

Polybutylene is a gray plastic water pipe installed from 1978 to the mid-1990s. Learn how to spot it in a Charlotte home, why it fails and what to do.

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A hand holding a corroded plumbing part and debris

Drains & Sewers · November 14, 2026 · 7 min read

Hydro jetting vs. snaking: which does your drain need?

A snake bores a path through a clog. Hydro jetting washes the whole pipe wall. See when each one is the right call and why a camera should come first.

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Cast-iron drain fitting leaking in a crawlspace under a home

Homeowner Tips · November 14, 2026 · 6 min read

What to do in a plumbing emergency before the plumber arrives

Burst pipe, sewage backup, overflowing toilet or leaking water heater: the steps to take first, and how to find your main shutoff in a Charlotte home.

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Corroded drain pipe in the crawlspace under a house

Drains & Sewers · November 14, 2026 · 7 min read

Do Charlotte home buyers need a sewer camera inspection?

A home inspection does not look inside the buried sewer line. See when Charlotte buyers should add a camera inspection and how to use what it finds.

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Reverse osmosis filtration system installed under a sink

Water Quality · November 14, 2026 · 6 min read

Reverse osmosis vs. whole-house filter: which do you need?

Reverse osmosis treats drinking water at one tap. A whole-house filter treats every tap. Compare what each removes, the upkeep and which fits your home.

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Cast-iron drain fitting leaking in a crawlspace

Drains & Sewers · November 14, 2026 · 7 min read

Why Charlotte's tree roots and red clay are hard on sewer lines

Charlotte pairs a heavy tree canopy with dense Piedmont clay. See how both wear on buried sewer pipe, the warning signs, and what fixes the problem.

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Corroded drain pipe in a crawlspace under a home

Leaks & Pipes · November 14, 2026 · 6 min read

7 signs of a hidden water leak (and how to check your meter)

Seven signs of a hidden water leak, a step-by-step water meter test to confirm it, where leaks hide in crawlspace homes and when to call a plumber.

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