Plumbing Videos
These This Old House videos showcase all of our plumbing projects, how-tos, and designs.
How to Install a Water Saving Toilet
Ask This Old House plumbing and heating expert Richard Trethewey replaces an old toilet with a "Water Sense" solution.
How to Connect Copper Pipes Without Soldering
The tried and true method for connecting copper pipes has always been soldering, but it’s a difficult skill to master. Richard Trethewey shows another effective way to connect these pipes without pulling out the blow torch.
Solving a Spitting Faucet Mystery
Ask This Old House plumbing and heating expert Richard Trethewey diagnoses and repairs a water system with air in it.
How to Diagnose a Gurgling Sink
Ask This Old House plumbing and heating expert Richard Trethewey shows host Kevin O’Connor the proper way to ventilate a sink
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.
How to Fix a Wobbly Toilet
Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner diagnose and repair a wobbly toilet
How to Change a Toilet
Ask This Old House plumbing and heating expert Richard Trethewey gives some DIY Smarts and shows the basics of changing a toilet.
How to Prevent Plumbing Leaks Automatically
Ask This Old House plumbing and heating expert Richard Trethewey demonstrates a wireless detector that can shut off the water in case of a flood.
How to Diagnose and Repair a Leaking Water Heater
Ask This Old House plumbing and heating expert Richard Trethewey finds a solution for a water heater that recently started leaking.
How to Install a Water Conditioner
Ask This Old House plumbing and heating expert Richard Trethewey installs a water conditioner to combat hard water
How to Diagnose Plumbing Drain Problems
Ask This Old House plumbing and heating expert Richard Trethewey tracks down the source of a clogged drain using some high tech equipment.
How to Install a Whole House Water Filter
Ask This Old House plumbing and heating expert Richard Trethewey improves the taste and odor of municipal drinking water with a whole house filtration system that includes a sediment filter and a granulated activated carbon filter
Revisiting Our Hybrid Water Heater Install
Ask This Old House plumbing and heating expert Richard Trethewey returns to a home he visited four years earlier to replace a faulty water heater.
A Tour of Antique Plumbing and the Toilet of the Future
Ask This Old House Richard Trethewey examines historic items from the history of his family’s plumbing company and takes a look at the latest toilet technology.
How to Install an Indirect Water Heater on a Boiler
Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner install an indirect water heater onto an existing steam boiler to boost the amount of hot water in the house.
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 Identify and Treat Soft Water
Ask This Old House plumbing and heating expert Richard Trethewey answers an email about a shower stained green and why it may be linked to soft water
How to Replace a Tank Water Heater
Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner replace a tank water heater
How to Replace a Kitchen Sink Strainer
Ask This Old House plumbing expert Richard Trethewey finds a rusty sink strainer in the kitchen and shows a homeowner how to replace it.
How to Safely Treat Water with Lead
Ask This Old House plumbing and heating expert Richard Trethewey gives a tutorial on why lead can be found in home drinking water and the best methods to combat it.
How to Repair a Shower Valve Stem
This Old House plumbing and heating expert Richard Trethewey fixes a faulty shower valve with new valve stems and seats
How to Repair a Squealing Shower
Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner silence a shrieking shower
How to Identify PVC Pipes and Fittings
Ask This Old House plumbing and heating expert Richard Trethewey gives a tutorial on the types of PVC pipes and fittings
How a Plumbing Trap Can Lose Water
Ask This Old House plumbing and heating expert Richard Trethewey explains several reasons why a trap may be losing water
How to Unclog a Bathroom Sink
Ask This Old House plumbing and heating expert Richard Trethewey reveals the best ways to unclog a slow draining bathroom sink.
How to Choose a Water Filter
Ask This Old House plumbing and heating expert Richard Trethewey explains the many filter options and home water systems available for filtering drinking water
How to Add a Heat Pump to a Water Heater
This Old House plumbing and heating expert Richard Trethewey makes heating water more efficient by installing a heat pump
How to Repair a Leaking Toilet
Ask This Old House plumbing and heating expert Richard Trethewey explains what may be causing a leaky toilet and possible solutions
How and Why to Maintain a Temperature-and-Pressure Valve
This Old House plumbing and heating expert Richard Trethewey explains the extreme importance of maintaining your water heater's temperature-and-pressure relief valve
How to Install a Touchless Kitchen Faucet
This Old House plumbing and heating expert Richard Trethewey helps a homeowner install a new, no-touch kitchen faucet
How to Repair a Noisy Toilet
This Old House plumbing and heating expert Richard Trethewey installs a new flush valve
How to Install a Hybrid Gas Water Heater
This Old House plumbing and heating expert Richard Trethewey shows a quiet, efficient way to produce domestic hot water