---
title: "Gas Hookup and Leak Check | ApplianceInstallation.center"
description: "A new gas appliance joined to your shutoff with a new connector, every joint leak-tested, flames read."
url: "https://applianceinstallation.center/services/gas-hookup-and-leak-check/"
---

# Gas Hookup and Leak Check

A new gas appliance joined to your shutoff with a new connector, every joint leak-tested, flames read.

## What the gas hookup and leak check involves.

A gas hookup and leak check joins a new gas appliance to the shutoff valve that is already there, and proves the joint is tight before anything is lit. It covers ranges, cooktops and rangetops, wall ovens and gas dryers. The first thing looked at is the valve: it has to be within reach once the appliance is in place, it has to turn, and its outlet has to suit a flexible connector. If there is no shutoff, or the line has to be extended or moved, that is a plumber's job before the installation. The connector is new, rated for the appliance, and only as long as it needs to be, without sharp bends or a route across a hot surface. Pipe threads get sealant rated for gas; flare fittings get none. With the valve open, each joint, the connector ends and the appliance regulator are sprayed with a leak solution and watched for bubbles; a combustible gas detector is used as a second check where it helps. On propane, the model's conversion kit is fitted first. Then comes the first light: every burner, the oven, the broiler or the dryer's burner, with the flame read for a steady blue shape and the igniter checked for a clean light.

How the visit goes

### What it usually costs Low to moderate · New gas range, cooktop, wall oven or dryer connected with a new connector, conversion kit fitted if needed, every joint leak-tested and the first flame read

A like-for-like swap on natural gas, with a working valve right behind the unit, sits at the light end. A propane conversion, a pro-style range with many burners or a valve that has to be replaced at the stub moves it up.

### Answers 3 problems Gas Smell After a Hookup: Leave the House, Then Call

Igniter Clicking After a Gas Hookup: Air in the Line or a Wet Cap · Appliance Installation Code on a New Unit: Setup Modes and Hookup Messages

### Comes up most on Cooking appliances

Laundry

### Codes that lead here GAS · Burner does not ignite during commissioning

LG GAS — a new gas laundry hookup not getting supply.

## Gas hookup and leak check, step by step.

Light every burner, oven and broiler, or run the dryer on heat, and read the flame and the ignition.

01

Confirm the fuel, the shutoff valve's position and condition, and whether the model needs its propane conversion kit.

02

Fit a new flexible connector of the right size and length, with gas-rated sealant only on the pipe threads.

03

Open the valve and test every joint and the regulator with leak solution, and with a gas detector where it helps.

04

Set the appliance in place without kinking the connector, then fasten the anti-tip bracket on a range.

05

Light every burner, oven and broiler, or run the dryer on heat, and read the flame and the ignition.

## The problems it answers.

3 of them, from gas smell after a hookup: leave the house, then call to appliance installation code on a new unit: setup modes and hookup messages.

[All problems](https://applianceinstallation.center/problems/)

Hazard after a hookup

### Gas Smell After a Hookup: Leave the House, Then Call

6 causes, cheapest first

Before you call

### Tell us this when you book

1. The appliance and model being connected, and whether it is replacing another gas appliance in the same place
2. Whether the house uses natural gas or propane from a tank
3. Where the shutoff valve is, and whether it turns easily or has not been moved in years
4. Anything you noticed about the old hookup: a smell, a kinked connector or a valve hidden behind the old unit

It also answers

- [**Igniter Clicking After a Gas Hookup: Air in the Line or a Wet Cap** 6 causes](https://applianceinstallation.center/problems/igniter-clicking-after-hookup/)
- [**Appliance Installation Code on a New Unit: Setup Modes and Hookup Messages** 8 causes](https://applianceinstallation.center/problems/appliance-installation-code/)

## Low to moderate, on the site's scale.

A like-for-like swap on natural gas, with a working valve right behind the unit, sits at the light end. A propane conversion, a pro-style range with many burners or a valve that has to be replaced at the stub moves it up.

[Read the full cost guide](https://applianceinstallation.center/cost/)

| Installation | Relative cost |
| --- | --- |
| **New gas range, cooktop, wall oven or dryer connected with a new connector, conversion kit fitted if needed, every joint leak-tested and the first flame read** | low to moderate |
| [New supply line and quarter-turn stop for a refrigerator, ice maker, dish care machine or laundry pair, flushed and tested under pressure](https://applianceinstallation.center/services/water-supply-and-shutoff-connection/) | |
| [Drain hose routed through a high loop, an air gap or into a standpipe, disposer knockout removed, first drain checked](https://applianceinstallation.center/services/drain-and-air-gap-connection/) | |
| [Metal exhaust transition and reachable wall run fitted from a new dryer to the outside hood, joints taped, airflow confirmed](https://applianceinstallation.center/services/laundry-exhaust-run-installation/) | |
| [Wall, island, insert or downdraft hood mounted and ducted outdoors at full size, damper and cap fitted, fan and lights tested](https://applianceinstallation.center/services/hood-ducting-and-fan-installation/) | |
| [Built-in column, integrated drawer, wall oven or panel-ready model set to its cutout, anchored, connected and its panels or trim aligned](https://applianceinstallation.center/services/built-in-and-panel-ready-fitting/) | |
| [Laundry pair stacked with the maker's kit or raised on pedestals, leveled, connected and run together](https://applianceinstallation.center/services/stacking-kit-and-pedestal-installation/) | |
| [Anti-tip bracket fastened and engaged, leveling legs set, doors squared on a range, cold storage unit, dish care machine or laundry machine](https://applianceinstallation.center/services/anti-tip-bracket-and-leveling/) | |
| [Old appliance shut off, disconnected, capped and carried out, opening cleaned, disposal or recycling arranged](https://applianceinstallation.center/services/old-appliance-disconnect-and-removal/) | |

## Where it comes up most.

Most bookings: Cooking appliances, Laundry.

[All appliance types](https://applianceinstallation.center/types/)

Codes that lead here

- [`GAS` LG · Gas and first light](https://applianceinstallation.center/error-codes/lg-gas/)
- [`Burner does not ignite during commissioning` Miele · Gas and first light](https://applianceinstallation.center/error-codes/miele-burner-not-igniting-commissioning/)

Often the same visit

- [**Pre-installation site check** 1 problem in common](https://applianceinstallation.center/services/diagnostic-visit/)
- [**Anti-tip bracket and leveling** 1 problem in common · lowest](https://applianceinstallation.center/services/anti-tip-bracket-and-leveling/)
- [**Water supply and shutoff connection** 1 problem in common · low](https://applianceinstallation.center/services/water-supply-and-shutoff-connection/)

### Cooking appliances

### Laundry

## The makes we see it on.

37 makes on this site, and the gas hookup and leak check on any of them. Each mark opens that make's own page.

[All 37 brands](https://applianceinstallation.center/brands/)

## Gas hookup and leak check, where we come out.

The home, the climate and the building all change how the gas hookup and leak check goes. These notes are about that, metro by metro.

[All service areas](https://applianceinstallation.center/locations/)

[Tampa Bay](https://applianceinstallation.center/locations/tampa-bay/) FL · 31 areas

Where a Tampa Bay home runs on a propane tank rather than utility gas, a gas hookup starts with the maker's conversion kit, orifices and regulator set for propane, and the leak check follows at every joint before the first burner is lit.

- [Hyde Park](https://applianceinstallation.center/locations/tampa-bay/hyde-park/)
- [Davis Islands](https://applianceinstallation.center/locations/tampa-bay/davis-islands/)
- [Palma Ceia](https://applianceinstallation.center/locations/tampa-bay/palma-ceia/)
- [Westchase](https://applianceinstallation.center/locations/tampa-bay/westchase/)
- [Carrollwood](https://applianceinstallation.center/locations/tampa-bay/carrollwood/)
- [Belleair](https://applianceinstallation.center/locations/tampa-bay/belleair/)
- [St. Pete Beach](https://applianceinstallation.center/locations/tampa-bay/st-pete-beach/)
- [Palm Harbor](https://applianceinstallation.center/locations/tampa-bay/palm-harbor/)

[Orlando](https://applianceinstallation.center/locations/orlando/) FL · 30 areas

Natural gas reaches some Orlando neighborhoods and skips others, so a gas hookup there begins by confirming which fuel the house has and whether the new unit shipped set for it, then ends with a soap-solution leak check on each fitting.

- [Winter Park](https://applianceinstallation.center/locations/orlando/winter-park/)
- [Windermere](https://applianceinstallation.center/locations/orlando/windermere/)
- [Dr. Phillips](https://applianceinstallation.center/locations/orlando/dr-phillips/)
- [Bay Hill](https://applianceinstallation.center/locations/orlando/bay-hill/)
- [Lake Nona](https://applianceinstallation.center/locations/orlando/lake-nona/)
- [Heathrow](https://applianceinstallation.center/locations/orlando/heathrow/)
- [Celebration](https://applianceinstallation.center/locations/orlando/celebration/)

[Miami / South Florida](https://applianceinstallation.center/locations/south-florida/) FL · 47 areas

Gas cooking is uncommon in South Florida towers but found in many older houses, and where a gas hookup is booked the technician fits a new connector sized to the appliance, never the old one, and checks each joint for bubbles before lighting.

- [Brickell](https://applianceinstallation.center/locations/south-florida/brickell/)
- [Coconut Grove](https://applianceinstallation.center/locations/south-florida/coconut-grove/)
- [Coral Gables](https://applianceinstallation.center/locations/south-florida/coral-gables/)
- [Pinecrest](https://applianceinstallation.center/locations/south-florida/pinecrest/)
- [Key Biscayne](https://applianceinstallation.center/locations/south-florida/key-biscayne/)
- [Aventura](https://applianceinstallation.center/locations/south-florida/aventura/)
- [Sunny Isles Beach](https://applianceinstallation.center/locations/south-florida/sunny-isles-beach/)
- [Bal Harbour](https://applianceinstallation.center/locations/south-florida/bal-harbour/)
- [Miami Beach](https://applianceinstallation.center/locations/south-florida/miami-beach/)
- [Golden Beach](https://applianceinstallation.center/locations/south-florida/golden-beach/)
- [Weston](https://applianceinstallation.center/locations/south-florida/weston/)
- [Boca Raton](https://applianceinstallation.center/locations/south-florida/boca-raton/)
- [Palm Beach](https://applianceinstallation.center/locations/south-florida/palm-beach/)

[New York Metro](https://applianceinstallation.center/locations/new-york/) NY · 75 areas

In a New York galley kitchen the gas shutoff often hides in a narrow slot behind a 20- or 24-inch cooking unit, and a gas hookup there sets the new connector so it folds without a kink as the unit slides back, then leak-checks each joint before a burner is lit.

- [Upper East Side](https://applianceinstallation.center/locations/new-york/upper-east-side/)
- [Upper West Side](https://applianceinstallation.center/locations/new-york/upper-west-side/)
- [Tribeca](https://applianceinstallation.center/locations/new-york/tribeca/)
- [SoHo](https://applianceinstallation.center/locations/new-york/soho/)
- [Greenwich Village](https://applianceinstallation.center/locations/new-york/greenwich-village/)
- [Battery Park City](https://applianceinstallation.center/locations/new-york/battery-park-city/)
- [Brooklyn Heights](https://applianceinstallation.center/locations/new-york/brooklyn-heights/)
- [Park Slope](https://applianceinstallation.center/locations/new-york/park-slope/)
- [DUMBO](https://applianceinstallation.center/locations/new-york/dumbo/)
- [Forest Hills](https://applianceinstallation.center/locations/new-york/forest-hills/)
- [Great Neck](https://applianceinstallation.center/locations/new-york/great-neck/)
- [Southampton](https://applianceinstallation.center/locations/new-york/southampton/)
- [Scarsdale](https://applianceinstallation.center/locations/new-york/scarsdale/)

[Houston](https://applianceinstallation.center/locations/houston/) TX · 36 areas

Many Houston kitchens cook on gas, and a gas hookup for a new pro-style unit there checks that the existing line and shutoff are the size its spec sheet calls for, since a larger appliance on a small line needs a licensed plumber before it is connected.

- [River Oaks](https://applianceinstallation.center/locations/houston/river-oaks/)
- [Memorial](https://applianceinstallation.center/locations/houston/memorial/)
- [Tanglewood](https://applianceinstallation.center/locations/houston/tanglewood/)
- [Greater Heights](https://applianceinstallation.center/locations/houston/greater-heights/)
- [Kingwood](https://applianceinstallation.center/locations/houston/kingwood/)
- [Bellaire](https://applianceinstallation.center/locations/houston/bellaire/)
- [Bunker Hill Village](https://applianceinstallation.center/locations/houston/bunker-hill-village/)
- [Piney Point Village](https://applianceinstallation.center/locations/houston/piney-point-village/)
- [Hunters Creek Village](https://applianceinstallation.center/locations/houston/hunters-creek-village/)
- [Sugar Land](https://applianceinstallation.center/locations/houston/sugar-land/)
- [Cinco Ranch](https://applianceinstallation.center/locations/houston/cinco-ranch/)
- [The Woodlands](https://applianceinstallation.center/locations/houston/the-woodlands/)
- [West University](https://applianceinstallation.center/locations/houston/west-university/)

[Chicago](https://applianceinstallation.center/locations/chicagoland/) IL · 50 areas

Chicagoland basement laundries often have a gas line waiting for the dryer, and a gas hookup there fits a new connector to the new machine and leak-checks it, while a pair moving up to a first-floor closet needs a licensed plumber to run the line before it is connected.

- [Lincoln Park](https://applianceinstallation.center/locations/chicagoland/lincoln-park/)
- [Near North Side](https://applianceinstallation.center/locations/chicagoland/near-north-side/)
- [West Loop / Near West Side](https://applianceinstallation.center/locations/chicagoland/west-loop-near-west-side/)
- [Wilmette](https://applianceinstallation.center/locations/chicagoland/wilmette/)
- [Winnetka](https://applianceinstallation.center/locations/chicagoland/winnetka/)
- [Glencoe](https://applianceinstallation.center/locations/chicagoland/glencoe/)
- [River Forest](https://applianceinstallation.center/locations/chicagoland/river-forest/)
- [Oak Park](https://applianceinstallation.center/locations/chicagoland/oak-park/)
- [Hinsdale](https://applianceinstallation.center/locations/chicagoland/hinsdale/)
- [Lake Forest](https://applianceinstallation.center/locations/chicagoland/lake-forest/)
- [Highland Park](https://applianceinstallation.center/locations/chicagoland/highland-park/)
- [Gold Coast](https://applianceinstallation.center/locations/chicagoland/gold-coast/)
- [Lakeview](https://applianceinstallation.center/locations/chicagoland/lakeview/)

[Los Angeles](https://applianceinstallation.center/locations/los-angeles/) CA · 95 areas

In Los Angeles a new gas hookup cannot be tested if the earthquake valve at the meter has tripped, so the technician confirms gas is flowing first, then connects, leak-checks every joint and lights each burner in turn.

- [Beverly Hills](https://applianceinstallation.center/locations/los-angeles/beverly-hills/)
- [Bel Air](https://applianceinstallation.center/locations/los-angeles/bel-air/)
- [Holmby Hills](https://applianceinstallation.center/locations/los-angeles/holmby-hills/)
- [Brentwood](https://applianceinstallation.center/locations/los-angeles/brentwood/)
- [Pacific Palisades](https://applianceinstallation.center/locations/los-angeles/pacific-palisades/)
- [Santa Monica](https://applianceinstallation.center/locations/los-angeles/santa-monica/)
- [Hancock Park](https://applianceinstallation.center/locations/los-angeles/hancock-park/)
- [Studio City](https://applianceinstallation.center/locations/los-angeles/studio-city/)
- [Calabasas](https://applianceinstallation.center/locations/los-angeles/calabasas/)
- [Manhattan Beach](https://applianceinstallation.center/locations/los-angeles/manhattan-beach/)
- [Palos Verdes Estates](https://applianceinstallation.center/locations/los-angeles/palos-verdes-estates/)
- [Pasadena](https://applianceinstallation.center/locations/los-angeles/pasadena/)
- [San Marino](https://applianceinstallation.center/locations/los-angeles/san-marino/)
- [Malibu](https://applianceinstallation.center/locations/los-angeles/malibu/)

[San Diego](https://applianceinstallation.center/locations/san-diego/) CA · 31 areas

San Diego's backcountry homes often cook on propane, and a gas hookup there fits the maker's propane conversion before connection, so burners burn with a steady blue flame rather than the tall yellow flame of an unconverted unit.

- [La Jolla](https://applianceinstallation.center/locations/san-diego/la-jolla/)
- [Carmel Valley](https://applianceinstallation.center/locations/san-diego/carmel-valley/)
- [Point Loma](https://applianceinstallation.center/locations/san-diego/point-loma/)
- [Del Mar](https://applianceinstallation.center/locations/san-diego/del-mar/)
- [Rancho Santa Fe](https://applianceinstallation.center/locations/san-diego/rancho-santa-fe/)
- [Coronado](https://applianceinstallation.center/locations/san-diego/coronado/)
- [Encinitas](https://applianceinstallation.center/locations/san-diego/encinitas/)
- [Solana Beach](https://applianceinstallation.center/locations/san-diego/solana-beach/)

[San Francisco Bay Area](https://applianceinstallation.center/locations/bay-area/) CA · 74 areas

Bay Area gas hookups increasingly run the other way, with an old unit disconnected and the line capped by a plumber for an induction swap, but where gas stays, the new connector is fitted and leak-checked at each joint before first light.

- [Pacific Heights](https://applianceinstallation.center/locations/bay-area/pacific-heights/)
- [Presidio Heights](https://applianceinstallation.center/locations/bay-area/presidio-heights/)
- [Russian Hill](https://applianceinstallation.center/locations/bay-area/russian-hill/)
- [Noe Valley](https://applianceinstallation.center/locations/bay-area/noe-valley/)
- [Sea Cliff](https://applianceinstallation.center/locations/bay-area/sea-cliff/)
- [Hillsborough](https://applianceinstallation.center/locations/bay-area/hillsborough/)
- [Atherton](https://applianceinstallation.center/locations/bay-area/atherton/)
- [Woodside](https://applianceinstallation.center/locations/bay-area/woodside/)
- [Palo Alto](https://applianceinstallation.center/locations/bay-area/palo-alto/)
- [Los Altos Hills](https://applianceinstallation.center/locations/bay-area/los-altos-hills/)
- [Tiburon](https://applianceinstallation.center/locations/bay-area/tiburon/)
- [Piedmont](https://applianceinstallation.center/locations/bay-area/piedmont/)
- [Marina](https://applianceinstallation.center/locations/bay-area/marina/)

For the heart of your home.

## Questions about the gas hookup and leak check.

### Is it safe to reuse the connector that came off the old appliance?

Better not. A connector is made to be bent into place once, and the one behind the old unit has already been bent and pushed back. A new one rated for the new appliance is part of every gas hookup.

### What is the leak solution sprayed on the joints?

A liquid made for gas leak testing that forms bubbles wherever gas escapes. Every joint is wetted with the valve open and watched; a joint that bubbles is taken apart, fixed and tested again.

### Who runs a new gas line if the kitchen does not have one?

A licensed plumber or gas fitter, under the permit your local building department requires. Once the line ends in a shutoff valve where the appliance will stand, the hookup and leak check can be booked.

---

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