Gas line installation
New gas line runs for appliances, additions, and outdoor installations.
Home / Gas Plumbing
Master Gas Fitter Services
Gas Line & Gas Plumbing Services in Northern Virginia
Master Gas Fitter services for gas line installation, gas appliance connections, leak testing, and code-compliant gas plumbing repairs throughout Northern Virginia.
Smell gas? Act fast.
If you smell gas, leave the area immediately, do not use switches or open flames, and call your gas utility or 911 from a safe location. Once the area has been confirmed safe, call Mercy's Plumbing to find and repair the source of the leak.
Master-licensed gas fitting, done to code.
Gas plumbing isn't a place to cut corners. Mercy's Plumbing holds a Virginia Master Gas Fitter license, meaning we're qualified for the full scope of gas piping installation, alteration, and repair — not just basic appliance swaps.
Whether you're adding a gas range, connecting a new water heater, wiring in a standby generator, or dealing with a suspected leak, we handle it safely and to code, with pressure testing before we call the job done.
Master Gas Fitter On Staff
Virginia licensed and insured for full-scope gas piping work.
Gas Plumbing Services
What we handle.
Gas line repair
Fixing damaged, corroded, or leaking gas piping.
Gas appliance connections
Water heaters, ranges, dryers, fireplaces, and outdoor grills.
Generator gas line hookups
Properly sized gas lines for standby home generators.
Gas leak detection
Pressure testing and leak checks for safety and peace of mind.
Code compliance & permitting guidance
Gas work performed and documented to Virginia code.
FAQs
Gas plumbing FAQs.
What is a Master Gas Fitter, and why does it matter?+
A Master Gas Fitter holds the highest level of gas fitting licensure in Virginia, qualified to install, alter, and repair gas piping and gas appliance connections to code. Gas work carries real safety risk, so working with a Master-licensed technician matters.
What should I do if I smell gas in my home?+
If you smell gas, leave the area immediately, avoid switches or open flames, and call your gas utility or 911 from a safe location. Once the area is confirmed safe, call Mercy's Plumbing to diagnose and repair the source of the leak.
Do you run new gas lines for appliances?+
Yes. We install and extend gas lines for water heaters, ranges and cooktops, dryers, fireplaces, outdoor grills, and standby generators, sized and routed to Virginia code.
Can you connect a gas line for a new water heater or generator?+
Yes, this is one of our most common gas plumbing jobs. We size the gas line correctly for the new appliance's BTU demand and test the full system before we leave.
Do you test gas lines for leaks?+
Yes, we perform gas line pressure testing and leak detection as part of new installations, repairs, and pre-purchase home inspections.
Do I need a permit for gas line work?+
Most gas line installation and alteration work in Virginia requires a permit and inspection. We handle gas work to code and can advise on permitting for your specific project.
