How to Install a Water Pressure Reducing Valve | This Old House

Taming extremely high water pressure with This Old House plumbing and heating expert Richard Trethewey. (See below for a shopping list and tools.)
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Shopping List for Installing a Water Pressure Reducing Valve:
– pressure-reducing valve
– two pressure gauges
– assorted threaded copper and brass fittings and pipe
– teflon tape
– lead-free solder and flux

Tools for Installing a Water Pressure Reducing Valve
– pressure gauge
– pliers
– pipe wrench
– tubing cutter
– propane torch
– open-end wrench

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How to Install a Water Pressure Reducing Valve | This Old House
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View Comments

  • i live in a small city and city's psi is 80. i think it is still kind of high compared to this Gentleman over 100psi. anyhow great video

  • Why was mud put on the pipe near the meter? Let's make something else that we added look old. Clowns

  • Should always put valves in for gauges and leave them shut unless reading the gauge, asking for a problem when the gauge gives and nobody's home.

  • Would this fix what I believe to be my City's water pressure fluctuating? My suspended pipes under my house go to dancing for several minutes, several times throughout the day and middle of the night. Occasionally, the dancing goes for hours; but if I go shut off the water from the City, it stops instantly.

  • The water pressure in my house is fine yet here I am. Watching. Just incase the water pressure in my house changes out of nowhere.

  • I went to the plumbing supply store and asked for the parts to the demonstrated set up with two pressure gauges and they called me retarded. However this was a helpful video, installed the pressure reducer today and just checked the water pressure on the water hose spigot.

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