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How Plumbing Technology is Advancing

During a visit to IBS 2019, Richard Trethewey gave our Pro2Pro editor a lesson in connecting pex tubing, then explored a new water-monitoring device and high-tech training tool

How to Fix a Slow Draining Tub

A slow-draining tub is a common problem, and an irritating one, too. Nobody wants to stand in a deepening pool of murky water while taking a shower. Read our guide to fixing a clogged tub.

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How to Install a Garbage Disposal

Garbage disposals are a helpful tool to help prevent pesky kitchen odors, as well as stop food from going down the pipes and causing plumbing issues. Watch as Ask This Old House plumbing and heating expert Richard Trethewey demonstrates how to install a garbage disposal in your kitchen.

How To Pump Water Out Of Your Basement 

Whether it’s caused by a hundred-year flood or a plumbing malfunction, no one wants a swimming pool in their basement. Here are some ways to get rid of that standing water in your basement. 

How to Get Rid of Rust in Well Water

This Old House plumbing expert Richard Trethewey has some solutions for a homeowner experiencing iron and rust in their well water.

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How to Diagnose Problems with Well Water Systems

Ask This Old House plumbing and heating expert Richard Trethewey explains how a well water pump works and why it could be behind a high electrical bill.

How to Repair Toilet Tank Components

Ask This Old House plumbing and HVAC expert Richard Trethewey explains the failure points in toilet tanks and how to repair them

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How to Replace a Kitchen Faucet

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner replace her kitchen faucet.

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How to Hook Up Washing Machine Plumbing

This Old House plumbing and heating expert Richard Trethewey re-plumbs a washing machine.

How to Deal with Common Kitchen Plumbing Problems

Here’s how to fix leaks and clear clogs in your kitchen sink.

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How to Install a Tankless Water Heater

Ask This Old House plumbing and heating expert Richard Trethewey heads to Milwaukee to install an instantaneous water heater.

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How to Replace Pedestal Sink Parts

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner replace all the plumbing components in his pedestal sink.

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How to Replace an Old Faucet

This Old House plumbing and heating expert Richard Trethewey shows the proper way to replace an old kitchen faucet

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How to Install a Pedestal Sink

Plumbing expert Richard Trethewey makes a challenging bathroom renovation task look easy

How to Replace Polybutylene Piping with PEX

Ask This Old House plumbing and heating expert Richard Trethewey travels to Richmond, Virginia to help a homeowner replace her polybutylene piping with conventional PEX.

How to Snake a Toilet 

It’s always disheartening to realize you’ve got a clogged toilet that can’t be fixed with a plunger, but the good news is that another simple tool can help you address the problem—a snake or drain auger.

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How to Choose and Maintain a Garbage Disposer

This Old House plumbing and heating expert Richard Trethewey shares some tricks for removing—and avoiding—stubborn disposer jams

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How to Prevent Frozen and Burst Pipes

Ask This Old House plumbing and heating expert Richard Trethewey offers a few tips to keep water from freezing up in your pipes during the winter months.

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How to Prevent Frozen Pipes

In this how-to video, This Old House plumbing and heating contractor Richard Trethewey shows various ways to prevent and thaw frozen pipes.

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How to Replace a Bathroom Faucet

Need to update your bathroom sink faucet? Watch this DIY Smarts as Ask This Old House plumbing and heating expert Richard Trethewey demonstrates how to replace a bathroom faucet.

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What Can and Can't Go Down a Garbage Disposer

Ask This Old House plumbing and heating expert Richard Trethewey explains what foods should and should not go into garbage disposers.

How to Fix a Leaking Toilet

Here’s why your toilet might be leaking at the base and how to fix it to prevent costly structural damage.

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How to Replace a Shower Pan

In this how-to video, This Old House plumbing and heating contractor Richard Trethewey installs a new waterproof shower floor.

How to Fix a Leaky Faucet

Learn about 4 types of faucets, what causes a faucet to drip, and how to repair them.

How to Stop Your Toilet from Sweating

Dry out your bathroom or install a sweat valve—a little warm water will keep the exterior of your toilets dry all summer long.

How to Bleed a Radiator

If you have hot-water heat, have you ever found that one or more of your radiators isn’t warming up? Or that only the bottom of a radiator gets hot? Before you spend the money on a plumber, try an easy fix.

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How to Drain a Water Heater

In this how-to video, This Old House plumbing and heating contractor Richard Trethewey shows a quick and effective way to drain a sediment-filled electric water heater.

How to Remove Air in Water Pipes

If air is coming out of your water pipes, don’t worry, you may be able to easily fix it yourself. Read on to learn how to tell if air is in your water pipes, and how to get rid of it.

How to Unclog a Toilet Without a Plunger

Got a toilet clog, with no plunger in sight? Read this guide to learn how to unclog a toilet using only simple household items you probably have at hand.

How to Clean a Dryer Vent

Excessive dryer lint buildup can pose a fire hazard, so it’s important to clean it at least once a year. Read this guide to learn how to clean your dryer vent in five easy steps.

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How to Fix a Leaky Shut-Off Valve

This Old House plumbing and heating expert Richard Trethewey shows how to quickly and easily fix a faulty valve.

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How to Repair a 3 Handle Shower Faucet

Ask This Old House plumbing and heating expert Richard Trethewey repairs and replaces a leaky shower valve.