Pressure Reducing Valve Installation and Replacement, Denver CO
Denver's terrain means some neighborhoods get street pressure far above what household plumbing is built for. A pressure reducing valve knocks incoming pressure down to a safe range. When the PRV fails, pressure climbs and fixtures start failing one after another.
- Static pressure tested at the hose bib before anything is quoted
- PRV set to a safe household range and verified
- Thermal expansion addressed at the same time
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What it is
Pressure reducing valve (PRV) A pressure reducing valve is a mechanical valve installed on the main water line into a house that lowers incoming city water pressure to a safer, more consistent level before it reaches the home's plumbing.
Denver's municipal water pressure can run high depending on elevation and location in the distribution system, and pressure that is too high shortens the life of pipes, valves, and appliances.
High pressure destroys the whole system, quietly
Above about 80 psi, code says you need a PRV. Sustained high pressure blows out supply lines, shortens water heater life, makes toilets run, and turns small drips into leaks. The valve is inexpensive compared to what unregulated pressure costs over a few years.
- Protects supply lines, valves, and appliances
- Stops water hammer caused by excessive pressure
- Reduces water waste at every fixture
- Required by code above 80 psi
Signs the PRV has failed
- Banging pipes when a valve closes
- Faucets that spray hard or splash
- Toilet fill valves that keep failing
- Relief valve on the water heater dripping
- Repeated supply line or washer leaks
What the service includes
- Static and peak pressure reading with a gauge at an outdoor bib
- Inspection of the existing PRV, if one is present, for age and adjustability
- Replacement valve sized to the service line
- Pressure set into the safe household range and confirmed at a fixture
- Thermal expansion tank checked, since a PRV closes the system
- Post-install verification that the setting holds overnight
What to expect and how the work gets done
- 1
Measure
Gauge the incoming pressure, day and night, since it often peaks overnight.
- 2
Diagnose
Determine whether the existing PRV is adjustable, stuck, or missing entirely.
- 3
Replace
Cut in the new valve at the service entry with unions for future service.
- 4
Set and verify
Dial in pressure, recheck at fixtures, and confirm expansion control.
Credentials, reviews, and company proof
- Colorado Master PlumberFixture and appliance work is permitted and code-compliant, not handyman work.
- Plumbing Contractor license 2110Licensed to pull permits and pass inspection on gas, water, and drain work.
- Serving Denver since 2006Two decades of Front Range water chemistry, altitude, and inspection practice.
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PRV cost factors
Where the valve sits and what pipe it ties into decide the labor.
Need help right now? 24/7 emergency plumbing service. Planning a larger repair? See financing options.
- Service line size and material at the connection point
- Whether a PRV exists already or a new one has to be cut in
- Access at the meter or where the line enters the house
- Adding or replacing a thermal expansion tank
- Adding shutoffs and unions for future serviceability
- Any corroded galvanized pipe that has to be replaced to make the connection
Frequently asked questions
Licenses, credentials, and company proof
- Colorado Master PlumberLicense MP-18927
- Colorado State Plumbing ContractorLicense 2110
- Family Owned & OperatedServing Denver since 2006, 20 years
- Better Business BureauAccredited Business, A+ rating
- Angie's List Super Service Award2012 through 2017
- Serving Denver since 2006Residential and commercial properties across the metro
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