Plumbing Videos
These This Old House videos showcase all of our plumbing projects, how-tos, and designs.
How to Install a Water Softener
This Old House plumbing and heating expert Richard Trethewey and water-quality specialist Doug Oberhamer show how to soften mineral-rich hard water.
How to Choose Water Supply Piping
This Old House plumbing and heating expert Richard Trethewey takes a look at the wide variety of water-supply pipes
How to Replace a Smelly Dishwasher Drain Hose
This Old House plumbing and heating expert Richard Trethewey comes up smelling sweet by installing a new discharge hose
How to Clear a Clogged Plumbing Vent
This Old House plumbing and heating expert Richard Trethewey employs his detective skills to find and clear a stubborn clog
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
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.
How to Replace a Whole-House Plumbing Trap
This Old House plumbing and heating expert Richard Trethewey shows tools and techniques for fixing corroded cast-iron pipe
How to Connect a Refrigerator Water and Ice Dispenser
Tapping into a water-supply line with This Old House plumbing and heating expert Richard Trethewey
How to Install a Dehumidifier Pump
This Old House plumbing and heating expert Richard Trethewey shows how to replace a faulty pump
How to Prevent Water Damage From Household Fixtures
This Old House plumbing and heating expert Richard Trethewey shows ways to detect and stop common plumbing leaks
How to Maintain an Electric Water Heater
Keep the hot water flowing with This Old House plumbing and heating expert Richard Trethewey and Kevin O'Connor
How to Quiet Pipes With a Water Hammer Arrestor
Silencing noisy pipes with This Old House plumbing and heating expert Richard Trethewey
How to Install a Pressure-Balance Shower Valve
Maintaining safe shower water temperatures with This Old House plumbing and heating expert Richard Trethewey
How to Install a Flood Control System
Keeping sewage at bay with This Old House host Kevin O'Connor and plumbing contractor Dennis Langowski.
How to Use a Membrane System to Prep a Shower for Tiling
This Old House general contractor Tom Silva shows a foolproof way to build a leak-free shower
How to Fix a Noisy Faucet
This Old House plumbing and heating expert Richard Trethewey quiets a tap that's making a hammering sound
How to Replace a Shower Mixing Valve
Fixing a faulty valve with This Old House plumbing and heating expert Richard Trethewey
How to Replace a Faucet Aerator
This Old House plumbing and heating expert Richard Trethewey has a quick fix for a slow-flowing faucet
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
How to Repair a Sewer Pipe Under a Concrete Slab
This Old House plumbing and heating expert Richard Trethewey shows how to rescue a buried, root-clogged pipe, without digging up the whole site
How to Install a Water Filter With A Separate Faucet
This Old House plumbing and heating expert Richard Trethewey delivers clean, filtered water right at the kitchen sink
How to Prevent Household Plumbing Leaks
Looking for water damage points with This Old House host Kevin O'Connor and damage prevention specialist Michael Milligan
How to Install a Dry Well and Divert Rain Run-Off
Controlling rain run-off with This Old House landscape contractor Roger Cook
How to Repair a Clogged Kitchen Sink Hose
Fixing a faulty sprayer hose with This Old House plumbing and heating expert Richard Trethewey
How to Repair a Shower Valve in a Tile Wall
This Old House plumbing and heating expert Richard Trethewey and tile expert Joe Ferrante team up to repair a leaky shower valve installation
How to Test for Hard Water and Add Softeners
Cleaning up drinking-water problems with This Old House plumbing and heating expert Richard Trethewey
How to Install a Solar-Powered Water Heater
Harnessing the sun's power with This Old House plumbing and heating expert Richard Trethewey and plumbing and heating contractor Bob Dudley
How to Add a New Dishwasher to a Kitchen
Hooking up a new appliance with This Old House plumbing and heating expert Richard Trethewey.
How to Install the Plumbing for a Kitchen Sink
This Old House plumbing and heating expert Richard Trethewey shows how to install kitchen sink plumbing for a double-bowl sink.
How to Use Graywater in Toilet Tanks
This Old House plumbing and heating expert Richard Trethewey discusses the benefits of a combination toilet/sink fixture
How to Install a Hot Water Recirculation Pump
This Old House plumbing and heating expert Richard Trethewey delivers hot water on demand
How to Stop Copper Pipe Corrosion
This Old House plumbing and heating expert Richard Trethewey explains causes and cures for water-pipe corrosion