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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.

S20 E11, Richard Trethewey discusses dishwashers
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How to Maintain Your Dishwasher

Plumbing and heating expert Richard Trethewey breaks down all the connections on a dishwasher, how they work, and how to troubleshoot them when they aren’t draining or drying correctly.

S20 E12, Richard Trethewey replaces a tub drain
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How to Replace a Tub Drain

Plumbing and heating expert Richard Trethewey helps a homeowner with an old 1950s bathtub replace the tub drain assembly when the current one stops plugging the tub.

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 Install a Dry Well for a Sump Pump

This Old House landscape contractor Roger Cook shares a permanent way to collect and disperse sump-pump water

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How to Clear a Clogged Bathtub Drain

This Old House plumbing and heating expert Richard Trethewey shows how to fix a slow draining tub

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.

S4 E10, Richard Trethewey installs a utility sink
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How to Install a Utility Sink

In this how-to video, This Old House plumbing and heating expert Richard Trethewey installs a utility sink

S20 E6, Richard Trethewey explains how to fit copper pipes
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How to Fit Copper Pipes

Plumbing & Heating Expert Richard Tretheway shows host Kevin O’Connor several methods for making solid, watertight connections, both with solder and without.

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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.

S9 E8, soldering copper pipe
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How to Cut and Solder Copper Pipe

This Old House plumbing and heating expert Richard Trethewey shares some basic pipe-joining techniques

All About Heat-Pump Water Heaters

Save big bucks while taking advantage of the existing heat in your home

The Complete Hot Water Heater Buying Guide

Water heaters are easy to ignore—until they stop working. From size, types, cost, and maintenance read this step-by-step guide to buying a water heater if you're looking to replace yours.

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Common Water Heater Myths Answered

Ask This Old House plumbing and heating expert Richard Trethewey shares some tips on maintaining water heaters.

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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.

How to Remove a Bathtub Drain

If you’re looking to replace an old bathtub drain, it’s not difficult to do the job yourself. Read these steps to learn more.

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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 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 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 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 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.

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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.