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Introduction to PRVs and Their Purpose — Inspect and Adjust or Replace the Pressure Reducing Valve (PRV)

Beginner3 hours

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How to Increase Water Pressure in Your House · Step 2 of 3

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The video introduces the Water Pressure Regulator (PRV) and explains its primary function. It highlights that these devices are typically found near the water meter and are used to lower the high water pressure from the municipal supply to a level that is safe for the plumbing fixtures and pipes within a home, preventing potential damage.

Goal: Understand the purpose of a PRV

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FAQs

What specific tools, beyond a multi-screwdriver and pliers, might I need for this water pressure project?

You might also need an adjustable wrench for the PRV or stubborn aerators, and a bucket to catch any water during disassembly. Having a small brush or a de-scaling agent can be very helpful for thoroughly cleaning mineral deposits from aerators.

Are there any crucial safety precautions I should take before starting to work on my home's water pressure?

Always shut off the main water supply to your house before attempting to adjust or replace the PRV or clean aerators. This prevents accidental flooding or leaks. Also, wear gloves to protect your hands from grime and potential sharp edges.

How much should I expect to spend if I need to replace parts like a Pressure Reducing Valve or multiple aerators?

A new Pressure Reducing Valve (PRV) can cost $50 to $200 for the part itself, depending on the model and features. Individual faucet or showerhead aerators are much more affordable, typically ranging from $5 to $15 each. Factor these potential costs if simple cleaning or adjustments don't resolve the issue.

I've checked the main water valve and cleaned my aerators, but my water pressure is still low. What should I troubleshoot next?

If the main valve is fully open and aerators are clean, the Pressure Reducing Valve (PRV) is the next most likely culprit. Locate the PRV and try adjusting its screw clockwise to increase pressure. If adjustment doesn't help, or if the valve appears damaged, it likely needs replacement.

Transcript
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Water pressure regulators or PRVs are essential components of many plumbing systems. In this video, I'm going to show you exactly what PRVs do and how they work. You may ask, why should I care about a pressure regulator? You may have one of these near your water meter. They're used to lower the pressure of the water supplied from your city to a level safe enough that the water lines and fixtures in your home are not damaged by high water pressure. All right, let's take a look at a typical water pressure regulator.

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