Guides
DIY Plumbing Guides
Step-by-step guides for the most common home plumbing repairs. Each one walks you through diagnosis, the parts that fit your fixture, and the actual fix -- with photos, tool lists, and honest time estimates. New guides ship every few weeks.
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Faucet Repair
Diagnose drips, leaks, and low pressure. Step-by-step procedures + the exact parts that fit your faucet.
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Toilet Repair
Flapper, fill valve, flange, and flush issues. The 80% of toilet problems homeowners can fix in 30 minutes.
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Shower & Tub
Diverter, cartridge, head, and pressure. Including the specific Moen Posi-Temp + Delta MultiChoice valves that ship in 90% of US homes.
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Drain Repair
Clogs, snake technique, P-traps, and when to actually call a plumber instead of buying another bottle of drain cleaner.
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All guides
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Shower Cartridge Identification Chart: Every Major Brand in One Table [2026]
Shower Cartridge Identification Chart: Every Major Brand in One Table [2026] This shower cartridge identification chart puts nine manufacturers on...
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How to Read a Delta Faucet Model Number: Model vs. Part Number Explained [2026]
How to Read a Delta Faucet Model Number: Model vs. Part Number Explained [2026] Knowing how to read a Delta...
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Where Is the Model Number on My Faucet? A Brand-by-Brand Guide [2026]
Where Is the Model Number on My Faucet? A Brand-by-Brand Guide [2026] Where is the model number on my faucet?...
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Should I Repair or Replace My Shower Valve? [2026]
Should I repair or replace my shower valve? For most homeowners, the honest answer is: repair the cartridge first. A...
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Are Aftermarket Faucet Cartridges as Good as OEM? [2026]
Are aftermarket faucet cartridges as good as OEM? Sometimes — but the $10 to $31 you save on the part...
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Single-Handle vs Two-Handle Faucet: Which Is Easier to Repair? [2026]
Single-handle vs two-handle faucet repair isn’t a coin flip — the honest answer depends on the faucet’s age, whether you...
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How to Identify Your Toilet Flush Valve [2026]
Pull off the tank lid to fix a running toilet and you’ll find one of two very different things: a...
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How to Identify Your Toilet Flapper by Brand [2026]
Pop the tank lid to replace a leaking flapper and you’re staring down a hardware-store aisle of red rubber discs...
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How to Find Your Toilet Model Number [2026]
Pop the tank lid to fix a running toilet or order a new flapper, and the part you actually need...
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How to Identify Kohler Toilet Parts (Canister, AquaPiston, and the Tank Number) [2026]
How to Identify Kohler Toilet Parts (Canister, AquaPiston, and the Tank Number) [2026] Unlike a house brand sold under someone...
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How Much Does It Cost to Repair a Faucet? DIY vs. Hiring a Plumber [2026]
The cost to repair a faucet runs from a few dollars in parts if you do it yourself to $100-$400...
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How to Identify Your Price Pfister Faucet Cartridge [2026]
Price Pfister faucet cartridge is the term a lot of homeowners search for even though the company hasn’t used that...
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When to Call a Plumber for Drain Problems [2026]
Knowing when to call a plumber for drain problems comes down to a short checklist: is it one fixture or...
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How to Identify Your Pfister Faucet Cartridge [2026]
Buying the wrong pfister faucet cartridge is exactly as expensive as it sounds. You pull apart a dripping single-handle kitchen...
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How Much Does It Cost to Replace a Faucet Cartridge? [2026]
The cost to replace a faucet cartridge is one of the cheapest repairs in the house — about $15 to...
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How to Identify Your Toilet Fill Valve [2026]
Most homeowners never look at their toilet’s fill valve until it starts hissing, running long after a flush, or refusing...
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Drains and Pipes Guide: The Complete Homeowner’s Overview of What’s Behind Your Walls [2026]
Drains and Pipes Guide: The Complete Homeowner’s Overview of What’s Behind Your Walls [2026] Water disappears down the drain a...
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When to Replace the Whole Toilet (vs. Repair) [2026]
If your toilet just needs a $10 flapper, replacing the whole thing is a waste of money. But if you’re...
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How to Identify Your American Standard Shower Valve: Trim, Cartridge, and Rough-In Valve [2026]
How to identify your American Standard shower valve starts with a fact that trips up a lot of homeowners: the...
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How to Identify Your Delta Faucet: Model, Trim, and Cartridge [2026]
How to identify your Delta faucet starts with a decision most homeowners get wrong the first time: ordering a replacement...
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How to Identify Your Moen Shower Valve: Cartridge Family and Series [2026]
How to Identify Your Moen Shower Valve: Cartridge Family and Series [2026] Knowing how to identify your Moen shower valve...
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How to Identify Your Kohler Shower Valve: Rite-Temp, MasterShower, and Cartridge Family [2026]
How to Identify Your Kohler Shower Valve: Rite-Temp, MasterShower, and Cartridge Family [2026] Knowing how to identify your Kohler shower...
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How to Identify Your Pfister Shower Valve: Model Number, Cartridge, and Valve Family [2026]
How to Identify Your Pfister Shower Valve: Model Number, Cartridge, and Valve Family [2026] How to identify your Pfister shower...
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How to Identify Your Delta Shower Valve: Series, Cartridge, and Generation [2026]
How to Identify Your Delta Shower Valve: Series, Cartridge, and Generation [2026] Knowing how to identify your Delta shower valve...
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American Standard Faucet Cartridge Identification: Find the Right Part Every Time [2026]
American standard faucet cartridge identification trips up more homeowners than almost any other brand — not because American Standard is...
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How to Identify Your Glacier Bay Toilet Parts (the Fluidmaster and Niagara Components Inside) [2026]
How to Identify Your Glacier Bay Toilet Parts (the Fluidmaster and Niagara Components Inside) [2026] The whole trick to how...
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How to Identify Your Gerber Shower Valve [2026]
How to Identify Your Gerber Shower Valve [2026] How to identify your Gerber shower valve comes down to one thing:...
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How to Identify Your Grohe Shower Valve [2026]
How to Identify Your Grohe Shower Valve [2026] Knowing how to identify your Grohe shower valve before ordering a replacement...
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How to Identify Your Symmons Shower Valve: Temptrol, Safetymix, Symmetrix, and More [2026]
How to Identify Your Symmons Shower Valve: Temptrol, Safetymix, Symmetrix, and More [2026] Knowing how to identify your Symmons shower...
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Moen Cartridge Identification: 1222, 1225B, 1200, or 1255? [2026]
Moen Cartridge Identification: 1222, 1225B, 1200, or 1255? [2026] Ordering the wrong Moen cartridge means a wasted hardware-store trip and...
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What Size Flapper Do I Need? How to Choose the Right Toilet Flapper and Fill Valve [2026]
Your toilet is running, ghost-flushing, or refilling every few minutes with no one touching the handle. You’ve pulled the tank...
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Kohler Cartridge Identification: Complete Guide — GP1016515, GP77005-RP & Rite-Temp [2026]
Ordering the wrong Kohler cartridge is easy to do and hard to undo once you’re already mid-repair. Kohler cartridge identification...
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Why Is My Faucet Handle Hard to Turn? 5 Common Causes [2026]
A faucet handle hard to turn is one of those repairs homeowners put off because it doesn’t seem urgent —...
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Cartridge Puller Tools: When to Buy One (and Which One) [2026]
A cartridge puller is one of the most over-bought tools in DIY plumbing — most homeowners who own one never...
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How to Replace a Toilet Flush Valve: Step-by-Step Guide [2026]
The flush valve is the center assembly in your toilet tank — the overflow tube, the valve seat, and the...
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When to Call a Plumber (and When to DIY) [2026]
Knowing when to call a plumber is mostly about one honest question: if you get it wrong, does the mistake...
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How Much Does It Cost to Replace a Toilet? [2026]
The cost to replace a toilet runs about $300 to $800 installed, with a national average near $372, per Bob...
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How Much Does It Cost to Replace a Shower Valve? [2026]
The cost to replace a shower valve lands around $225 to $575 with a plumber for a typical job, per...
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Why Are My Drains Slow? Causes, Diagnosis, and 3 DIY Fixes [2026]
If you’re asking why are my drains slow, the answer almost always starts with one question: is it one fixture...
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How to Adjust Toilet Tank Water Level: Step-by-Step Guide [2026]
If your toilet is running constantly or flushing weakly, the fix is often a single adjustment screw inside the tank....
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How to Use a Drain Snake: Step-by-Step Guide for Homeowners [2026]
A slow-draining sink or a backed-up tub is one of those problems that feels urgent — and knowing how to...
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How to Replace Moen 1222 Posi-Temp Shower Cartridge [2026]
Your Moen Posi-Temp shower is dripping, the handle is stiff, or you’re getting cold water when you expected hot —...
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Why Is My Shower Dripping? 5 Common Causes [2026]
Why is my shower dripping even though the handle is fully off? It starts as background noise, but a single...
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Why Does My Drain Smell Like Sewage? 8 Causes and Fixes [2026]
Why does my drain smell? It is one of the most common plumbing questions homeowners ask — and when your...
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How to Identify Your Shower Valve and Cartridge (Moen, Delta, Kohler) [2026]
How to Identify Your Shower Valve and Cartridge (Moen, Delta, Kohler) [2026] Knowing how to identify your shower valve and...
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How to Fix a Leaky Toilet Bowl: Replace the Wax Ring [2026]
Water pooling at the base of a toilet after a flush usually has one root cause: a failed wax ring....
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How to Fix a Leaky Toilet Tank: Stop Internal Runs and External Drips [2026]
A leaky toilet tank is actually two separate problems wearing the same name — an internal leak that makes the...
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How to Replace a Toilet Fill Valve (Stop a Running or Slow-Filling Toilet) [2026]
The fill valve is the tank’s water-intake part: it refills the tank after each flush and shuts off at the...
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How to Replace a Toilet Flapper: The $10 Fix for a Running Toilet [2026]
A worn flapper is the single most common cause of a running toilet, and replacing it is one of the...
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How to Unclog a Toilet: Plunger, Auger, and What Not to Do [2026]
A clogged toilet is one of the most common – and most stressful – plumbing problems a homeowner hits, but...
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How to Replace a Moen 1225 Cartridge: A Homeowner’s Step-by-Step Guide [2026]
How to Replace a Moen 1225 Cartridge: A Homeowner’s Step-by-Step Guide [2026] A dripping single-handle Moen faucet, a stiff handle...
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How to Replace a Delta Shower Cartridge in 7 Steps (Without Damaging the Valve)
How to replace a Delta shower cartridge is one of the higher-confidence DIY plumbing repairs — Delta’s 1700-series and MultiChoice...
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How to Replace a Kitchen Faucet: A Homeowner’s Step-by-Step Guide [2026]
How to replace a kitchen faucet is the single highest-dollar DIY plumbing job most homeowners can actually pull off in...
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Why Is My Toilet Running? 6 Common Causes [2026]
If you can hear water trickling into the bowl long after a flush, or the fill valve cycles for a...
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How to Identify Your Toilet Brand and Model [2026]
A leaking flapper costs $4 to fix and a fill valve costs $10, but only if you buy the right...
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Delta Cartridge Identification: Shower + Faucet Chart [2026]
Delta Cartridge Identification: Shower + Faucet Chart [2026] The single biggest mistake homeowners make when fixing a Delta shower or...
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How to Replace a Faucet Aerator: A 5-Minute Fix Most Homeowners Skip
How to replace a faucet aerator is the cheapest, fastest plumbing repair in your house — and it’s the one...
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Why Your Faucet Is Leaking: 7 Common Causes (and How to Tell Them Apart)
Quick answerA leaking faucet is not one problem but about seven, and which is yours depends on WHERE the water...
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How to Identify Faucet Brand and Model (Even Without a Sticker)
How to identify faucet brand and model is the first question most homeowners hit when a repair starts — and...
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