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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

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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.

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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.

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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

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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.

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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.

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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

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How to Repair a Squealing Shower

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner silence a shrieking shower

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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

3 Quick Plumbing Fixes Under Pressure

What to do before the plumber rescues the day

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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

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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

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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

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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

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How to Repair a Noisy Toilet

This Old House plumbing and heating expert Richard Trethewey installs a new flush valve

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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

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How to Maintain a Furnace

Ask This Old House heating and plumbing expert Richard Trethewey explains the best practices for keeping your furnace up and running during the winter

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Ask Richard: How to Connect Pipe Without Soldering

This Old House plumbing and heating expert Richard Trethewey shows two no-solder ways to make watertight pipe connections

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How to Install an Anti-Scald Shower Valve

This Old House plumbing and heating expert Richard Trethewey replaces a three-handle shower valve with a single-handle anti-scald valve

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How to Install a New Toilet

This Old House plumbing and heating expert Richard Trethewey heads to Cheyenne, Wyoming, to help a homeowner install a new toilet

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How to Install a Whole-House Water Softener

This Old House plumbing and heating expert Richard Trethewey visits New Jersey to install a water softener

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How to Avoid Rookie Plumbing Mistakes

This Old House plumbing and heating expert Richard Trethewey demonstrates some common plumbing mistakes and how to avoid them

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How to Replace a Vessel Sink with a Self-Rimming Sink

Ask This Old House plumbing and heating expert Richard Trethewey heads to Atlanta to help a homeowner switch out one sink for another

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How to Prevent Plumbing Sulfur Smells

This Old House plumbing and heating expert Richard Trethewey offers remedies to prevent smelly water

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Understanding New Water-Heater Regulations

This Old House plumbing and heating expert Richard Trethewey explains how new energy-saving regulations affect today's water heaters

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How to Replace a Clogged Shower Valve

This Old House plumbing and heating expert Richard Trethewey replaces a clogged shower valve that would not allow hot water into the shower

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How to Replace a Kitchen Sink and Faucet

This Old House plumbing and heating expert Richard Trethewey heads to Colorado to help a homeowner install a new kitchen sink and faucet.

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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

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How to Repair a Leaky Kitchen Faucet

This Old House plumbing and heating expert Richard Trethewey helps a homeowner repair her leaky kitchen faucet

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How to Solder a Pipe

This Old House plumbing and heating expert Richard Trethewey shares tips on soldering copper pipe

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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