DIY Network

Water Pressure Reducing Valve Learn how to install a water pressure reducing valve. From "Ed the Plumber" episode DETP-303

Host Ed Del Grande explains how to install a pressure reducing valve.

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Materials:

water pressure gauge
measuring tape
Teflon paste
mini pipe cutter
two adjustable wrenches
locking pliers
soldering kit
copper pipe and fittings
deburring tool and sandpaper
water pressure reducing valve and water hammer arrestor
manufacturers installation instructions

Figure A

1. Install the pressure reducer valve as close to the main water shut off as possible to protect the entire house.

2. Double check to make sure your home has high water pressure. You can either put your gauge on an outside sill cock or on your water heater (figure A). Because of the amount of water in the water heater, the gauge may read a little bit higher than normal, but not enough to throw the reading off.

3. Drain the system.

4. Shut off the water at the main valve and to the water heater.

5. Turn off your water heater at the breaker if electric, or if gas, turn the switch to the pilot position.

6. Drain your homes plumbing system by opening the highest and lowest faucets.

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