Monday to Friday · 7 AM to 6 PM
$50 off your first repair over $300
Drainworks Plumbing & SepticCall or text(860) 317-0873Get a quote
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Plumbing

Gas lines in Colchester, CT

Gas leak testing, gas valve and piping repairs, and new lines for grills, ranges, dryers and water heaters.

4.81,386 reviews
call or text(860) 317-0873
Gas prices
Gas line service
Starting prices
  • Electronic leak testFrom $515.20
  • Replace a 3/4" gas valveFrom $598.29
  • Grill gas line repairFrom $988.39
  • Gas line replacementFrom $4,600
Get a quote
Smell gas? Leave the house and call your gas utility first.
From$515Electronic leak test
From$5983/4 inch gas valve
From$988Grill line repair
10%OFFFor members

What is included

Gas work we do.

  • Leak testingElectronic sniffer tests, bubble tests and pressure tests with air.
  • Piping repairsSections of 1/2, 3/4 and 1 inch gas pipe repaired or replaced.
  • ValvesNew shut-off valves at appliances and on the main line.
  • Appliance connectionsFlex connectors and hard piping for dryers, ranges and water heaters.
  • Outdoor grillsRepairs to the gas line feeding an existing grill.
  • Gas line replacementWhole-run replacement when the old line has failed.
New pipe bedded in gravel in an open trench
Piping work

Starting prices

Gas line prices.

Starting prices for gas testing and repairs.

Dryer shut-off and flex
From $554
Plumbing dispatch
From $99
Gas line starting prices · Drainworks 2026 pricebook
ServiceWhat it coversStarting at
Electronic leak test
Sniffer
Electronic gas leak test.
From$515.20
Members from $463.68
Get a quote →
Bubble leak test
Fittings
Gas leak test with bubbles at the fittings.
From$762.58
Members from $686.32
Get a quote →
Air pressure leak test
System
Gas leak test with air pressure.
From$1,021.20
Members from $919.08
Get a quote →
Repair 1/2 inch piping
With union access
Repair a section of 1/2 inch gas pipe.
From$581.24
Members from $523.12
Get a quote →
Repair 3/4 inch piping
With union access
Repair a section of 3/4 inch gas pipe.
From$769.18
Members from $692.26
Get a quote →
Repair 1 inch piping
With union access
Repair a section of 1 inch gas pipe.
From$882.86
Members from $794.57
Get a quote →
Replace a gas valve
1/2, 3/4 or 1 inch
Replace a gas shut-off valve.
From$598.29
Members from $538.46
Get a quote →
Gas flex connector
Up to 10 feet
Install a 1/2 to 3/4 inch gas flex line.
From$1,017.80
Members from $916.02
Get a quote →
Grill gas line
Existing grill
Repair the gas feed line to an existing grill.
From$988.39
Members from $889.55
Get a quote →
Gas line replacement
Full run
Replace a failed gas line.
From$4,600
Members from $4,140
Get a quote →

Repairs without union access cost more and are priced on site. Starting prices from our 2026 pricebook. Your technician confirms the price on site, and no work starts until you approve it.

How it works

Test. Repair. Re-test.

Every gas repair ends with a leak test.

  1. 01

    Test

    We find the leak with electronic and bubble tests.

  2. 02

    Repair

    The failed pipe, fitting or valve is replaced.

  3. 03

    Re-test

    We test the system again before restoring service.

4.8Google · 1,386 reviews
Plumbing PLM.0288824-P7 · Septic installer #6174 · Home improvement HIC.0650272

Questions

Gas lines, answered.

Answers from licensed plumbers and septic installers. Still unsure? Call us at (860) 317-0873.

What should I do if I smell gas?
Leave the house, do not use switches or phones inside, and call your gas utility or 911 from outside. Call us for the repair once it is safe.
How much does a gas leak test cost?
An electronic gas leak test starts from $515 at Drainworks.
Can you run a gas line to my grill?
We repair gas lines to existing grills from $988. New lines are priced on site.

Membership

Become a partner.

A yearly plumbing safety check-up with a water test, waived dispatch fees, priority scheduling and member pricing on plumbing and drain work.

Compare all three plans →

Plumbing Protection Partnership

Every home
For every home, on septic or town sewer
$159first year

Then $129 a year when you renew. Monthly payment options available.

  • Yearly plumbing safety check-up with a water test
  • Waived dispatch fees and priority scheduling
  • 10% off plumbing and drain service
  • 5% off water and sewer line work
  • Free estimates on large projects
Join the Plumbing PartnershipEverything it covers →

Related services

From $414Water heatersRepairs, tanks and tanklessPrices and details →From $266.81Leak detectionFound with tools, not hammersPrices and details →From $413.43Faucets & fixturesKitchen, bath and shower valvesPrices and details →From $7,360RepipingWhole-home water and drain linesPrices and details →

Gas work? Licensed and tested.

Gas line testing and repairs across eastern Connecticut.

Call or text(860) 317-0873
Get a quoteText us