Plumbing How To & DIY
Improve the value of your home by discovering our plumbing step-by-step tips & ideas.
How to Install a Timed Washing-Machine Valve
This Old House plumbing and heating expert Richard Trethewey installs a new washing-machine valve that will prevent flooding
How to Repair a Leaky Kitchen Faucet
This Old House plumbing and heating expert Richard Trethewey helps a homeowner repair her leaky kitchen faucet
How to Solder a Pipe
This Old House plumbing and heating expert Richard Trethewey shares tips on soldering copper pipe
How to Install a New Sink and Faucet
Learn how to replace an old kitchen sink with a new one
Clogged Backflow Preventer
Richard diagnoses a puddle of water near a boiler
How to Replace a Pedestal Sink Pop-Up Assembly
This Old House plumbing and heating contractor Richard Trethewey replaces an old, faulty pop-up drain
How to Replace a Direct-Vent Water Heater
This Old House plumbing and heating expert Richard Trethewey shows how to install a new water heater when there's no chimney
How to Install a Drain Pump for a Basement Sink
Draining water from below-grade plumbing with This Old House plumbing and heating expert Richard Trethewey
How to Install a Frost-Proof Faucet with PEX Piping
This Old House plumbing and heating expert Richard Trethewey shows how to plumb a new hose faucet using flexible plastic water pipe
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 Install an Automatic Washing Machine Shutoff Valve
Adding overflow protection to the laundry room with This Old House plumbing and heating expert Richard Trethewey
How to Install a Water Pressure Reducing Valve
Taming extremely high water pressure with This Old House plumbing and heating expert Richard Trethewey
How to Install a Pull-Out Kitchen Faucet
This Old House plumbing and heating expert Richard Trethewey shows how to upgrade to a faucet and sprayer in one
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 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