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Proudly serving Santa Clara and San Mateo Counties
How a Gas Pressure Test Works – Step-by-Step Guide for Homeowners
What Is a Gas Pressure Test?
A gas pressure test is a diagnostic procedure used to verify the integrity of your gas lines. It measures how well your system holds pressure under controlled conditions to ensure it’s leak-free and functioning safely.
A pressure test is typically required for:
• New gas line installations
• Gas service reconnections after shut-off
• Building permits and inspections
• Suspected leaks or declining appliance performance
Why It Matters
• Detects dangerous leaks before they cause harm
• Confirms system safety and regulatory compliance
• Prevents fires, explosions, and carbon monoxide exposure
How a Professional Gas Pressure Test Works
Step 1: Shut Off the Gas Supply
We begin by safely turning off the gas to isolate your system.
Step 2: Seal All Fixtures and Outlets
All gas-powered appliances are disconnected to create a closed system, ensuring accurate test results.
Step 3: Pressurize the System
Compressed air is introduced into the gas lines, and a calibrated pressure gauge is used to monitor the system.
Step 4: Monitor for Pressure Drops
If the pressure remains steady during the test window (typically 15–30 minutes), your system is safe. A pressure drop indicates a leak.
Step 5: Locate and Confirm Leaks
If a leak is suspected, we apply a non-toxic soap solution to fittings and joints. Expanding bubbles pinpoint the exact location of the leak.
When to Schedule a Gas Pressure Test
You should consider scheduling a test if:
• You smell gas or suspect a leak
• You’re installing or relocating gas lines
• You’re remodeling and require permit inspections
• Your gas service was shut off by the utility company
• Appliances are malfunctioning due to low gas pressure
• You’ve purchased an older home and want a system inspection
Note: Local codes often require a passed gas pressure test before service can be restored following a shutoff or repair.
Why Choose Repipe Champions for Gas Testing?
• Licensed, bonded, and insured plumbing professionals
• Fast scheduling with same-day appointments available
• Detailed pressure test reports for permits and inspections
• Backed by years of experience and knowledge of local codes
Schedule Your Gas Pressure Test Today
Ensure your gas system is safe, compliant, and leak-free. Repipe Champions Plumbing and Rooter provides professional gas pressure testing with same-day service and dependable results.
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Signs You May Have a Gas Leak – When to Schedule a Gas Pressure Test
Top Signs You May Have a Gas Leak — When to Schedule a Pressure Test
Natural gas leaks can pose serious health and safety hazards. Recognizing early warning signs and acting quickly can prevent fires, explosions, and toxic exposure. Below are the most common signs of a gas leak and when to schedule a pressure test with a licensed professional.
1. Rotten Egg or Sulfur Smell Indoors
Natural gas is naturally odorless, but utility companies add mercaptan — a chemical that smells like rotten eggs — to help detect leaks.
If you smell rotten eggs:
• Leave the area immediately
• Do not use electronics, light switches, or open flames
• Call your gas provider and a licensed plumber from a safe location
A gas pressure test can confirm the leak and help pinpoint its exact location for safe, code-compliant repairs.
2. Hissing or Whistling Sounds Near Gas Lines
A hissing or whistling noise near a gas line or appliance is often a clear indicator of a leak.
Where to check:
• Around gas stoves, ovens, or fireplaces
• Near water heaters and furnaces
• Along any exposed indoor or outdoor gas pipes
If you hear such sounds, shut off the gas supply (if safely accessible) and schedule immediate professional testing.
3. Unexplained Increase in Gas Bills
A hidden leak can allow gas to escape undetected, causing unexpected spikes in your monthly utility bills.
What to monitor:
• Sudden or gradual increases in your gas bill
• No change in appliance usage
• Pilot lights that behave erratically or perform inconsistently
A pressure test can determine whether gas is leaking inside walls, crawlspaces, or underground lines.
4. Physical Symptoms of Gas Exposure
Even minor leaks can cause health issues, especially in enclosed or poorly ventilated spaces.
Watch for these symptoms:
• Headaches, nausea, dizziness, or fatigue (mild exposure)
• Confusion, shortness of breath, or unconsciousness (severe exposure)
• Feeling noticeably better when outside your home
If you or your family are experiencing these symptoms, evacuate immediately and call for emergency service and ventilation.
5. Malfunctioning Gas Appliances
Faulty gas-powered appliances can be a red flag for low gas pressure or a potential leak in the system.
Warning signs:
• Pilot lights won’t stay lit
• Weak, flickering, or yellow-orange flames
• Soot buildup or discoloration around burners and vents
A system-wide gas pressure test can help determine whether the issue is appliance-specific or a larger line failure.
When to Schedule a Gas Pressure Test
You should request a professional gas pressure test if:
• You smell gas or hear hissing sounds
• You’re moving into a new home
• You’re installing or replacing any gas appliance
• Your gas service was recently shut off for repair or remodeling
• You’ve noticed a spike in gas usage or erratic appliance behavior
Gas testing ensures your system is code-compliant, leak-free, and ready for safe operation.
Schedule a Gas Pressure Test Today
Don’t wait for a small issue to turn into a life-threatening emergency. Repipe Champions Plumbing and Rooter offers fast, certified gas pressure testing and expert leak detection. If repairs are needed, our licensed plumbers handle everything from permits to code-compliant fixes.
Call now to book your gas pressure test and ensure the safety of your home and family.
Repipe Champions Plumbing and Rooter Inc. proudly offers professional gas pressure testing in the following cities
Bay Area
Belmont
Burlingame
Campbell
Cupertino
Daly City
Foster City
Fremont
Gilroy
Los Altos
Los Altos Hills
Los Gatos
Menlo Park
Millbrae
Milpitas
Monte Sereno
Morgan Hill
Mountain View
Pacifica
Palo Alto
Portola Valley
Redwood City
San Bruno
San Carlo
sSan Francisco
San Jose
San Mateo
Santa Clara
Santa Rosa
Saratoga
South San Francisco
Woodside
If you are not listed above, please reach out and we'll do our best to assist you.
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