Elgas LPG Gas Blog

Gas Bayonet Fitting - How Does it Work - Gas Bayonet - Gas Bayonet Hose - Gas Heater Bayonet Connection: How to Connect & Disconnect

A female gas bayonet fitting is floor or wall mounted. It provides a quick connection for your indoor gas appliances to your home gas supply. Using gas to fuel appliances, like a portable gas bayonet heater, is generally more economical than resistance electric heating.

The male gas bayonet fitting is found on the end of the gas bayonet hose and plugs clockwise into the fixed female gas bayonet wall socket fitting, working to connect to the gas supply.

A gas bayonet fitting works by connecting the gas bayonet heater to the gas supply with a brass push-and-twist-to-lock gas heater bayonet connection. The female gas bayonet fitting is a gas bayonet wall socket that works to connect the gas bayonet heater to your external gas supply (gas bottles or gas meter), with the male gas bayonet hose that originates at the gas bayonet heater.

The most popular style of gas heaters in Australia is portable gas bayonet heater, like the Rinnai Avenger gas heater.  A portable gas heater bayonet hose makes the gas heater bayonet connection to your home gas supply. The gas bayonet fitting works with a brass push & clockwise twist-to-lock gas bayonet fitting. 

The gas heater bayonet connection fitting consist of a male gas bayonet hose fitting and female gas bayonet wall socket fitting that connect together like a bayonet light globe, with a push and clockwise twist.

Gas Heater Bayonet Connection

A gas bayonet fitting assures the safe gas supply connection to your gas heater. The male gas bayonet connection, on the bayonet hose, actuates the gas bayonet wall socket valve, allowing the gas to flow through the gas bayonet connection to the gas heater.

Gas Bayonet Fitting How Does it Work & What is a Gas Bayonet

A male gas bayonet hose works as a gas heater bayonet connection to a female gas bayonet wall socket fitting. The female gas bayonet fitting works as a push-and-twist-to-lock socket for the male gas bayonet hose fitting, It is affixed to the wall or floor and is attached to the gas supply.

Gas bayonet fittingIn summary:

• A male gas bayonet hose fitting works as a gas heater bayonet connection fitting to a gas appliance — typically a gas bayonet heater — to a fixed female gas bayonet wall socket fitting, attached to the gas supply by POL fittings.

• The male gas heater bayonet fitting is attached to the end of the gas bayonet hose.

• The female gas bayonet wall socket fitting works by attaching it to the gas supply line and is affixed to the wall or floor.

• A male gas bayonet hose makes the gas bayonet fitting connection by pushing in, with the locking lugs aligning with the engagement slots, and twisting clockwise to lock it in place.

• For gas bayonet fitting removal, you push in slightly, turn anti-clockwise and then pull the male gas bayonet fitting out.

Read more for additional information and an important money saving tip…

Gas Bayonet Fittings - LPG & Natural Gas Heater Bayonet Connection

Gas heater fittings - natural gas heater connectionsLPG & natural gas bayonet fitting is for the gas heater connection to the gas source. The LPG & natural gas heater bayonet connection include the female gas bayonet wall socket fitting connected by POL fitting to the gas bottles or natural gas meter installation.  They also include the male gas bayonet hose fitting assembly which originates at the gas heater and plugs into the female gas bayonet wall socket fitting, connecting together like a bayonet light globe.

Female gas bayonet wall socket fitting can be installed into a wall or through the floor.

An LPG or natural gas heater bayonet connection fitting typically includes an electrical connection to power the fan, igniter and control board.  Some radiant heaters only need a gas heater bayonet connection fitting and do not require electricity.

Gas Bayonet Fitting Sizes

Male gas bayonet fitting with hose

Gas bayonet fitting sizes are standardised with both the male gas bayonet hose fitting and female gas bayonet wall socket fitting coming in just one size. However, gas bayonet fitting sizes vary based on the pipe sizing on the back side of the gas bayonet fitting , where it connects to the gas piping.

See examples in Gas Bayonet Fitting Sizes Chart below.

Gas Bayonet Fitting Sizes Chart

Gas Bayonet Fitting Sizes Chart
  Gas Bayonet Fitting Size: 1/2" Female BSP
  Gas Bayonet Fitting Size: 1/2" Male BSP
  Gas Bayonet Fitting Size: 3/8" SAE Female flare to 1/4" Male BSP
  Gas Bayonet Fitting Size: Male Bayonet to 1/4" Male BSP
 

Female Gas Bayonet Wall Socket Fitting

Female Bayonet Fitting

The female gas bayonet wall socket fitting is permanently attached to your wall or floor and the supply gas line is connected to it through the wall or floor. The female gas bayonet wall socket fitting has two locking lugs that are used to engage the male gas bayonet fitting and lock it in place in the socket. 

A rubber O-ring seals the gas heater bayonet connection fitting. 
It also contains the on/off gas valve that is automatically actuated when a male gas bayonet fitting is fully inserted and locked.

Male Gas Bayonet Fitting

Male Bayonet Fitting

The male gas bayonet fitting is affixed to the end of the gas bayonet hose, which is attached as the portable gas heater connection.

The male gas bayonet fitting has two push-and-twist slots for engaging the two locking lugs on the female gas bayonet wall socket fitting. 
It also has a protrusion that pushes on and opens the automatic gas valve, when the male gas bayonet fitting is installed fully inserted and interlinked.

Gas Bayonet Fitting Installation

The gas bayonet fitting installation must always be done by a licensed gas fitter.  The female gas bayonet fitting installation is done either through a wall or the floor and connected to the gas bottle piping.

The male gas bayonet fitting installation is just a matter of attaching it to the end of a gas bayonet hose, which is typically done by the hose manufacturer.

Inspect & Clean Gas Bayonet Fittings

It is important that both gas bayonet fittings be clean and free of any dirt or debris before trying to connect them. Pieces of dirt and debris can cause the gas heater bayonet connection fitting to leak. 

Needless to say, if you inspect the gas bayonet fittings and discover any damage, do not attempt to connect them. 
You should also periodically inspect the gas bayonet hose for any damage or degradation. 
Call your gas fitter to make any gas bayonet fitting needed repairs.

Gas Bayonet Fitting Removal - Disconnecting the Gas Heater Bayonet Connection

To disconnect a gas heater bayonet connection fitting you basically just reverse the process.  For gas bayonet fitting removal, you push in slightly and turn anti-clockwise, to disengage the locking lugs, and then pull the male gas bayonet fitting out.

There may be a small whiff of gas during gas bayonet fitting removal or when you connect the gas heater bayonet connection fitting.  This is normal. 

If You Continue to Smell Gas

However, if you detect a continuous leak, you should disconnect the gas heater bayonet connection fitting immediately and inspect for dirt or damage, including to the O-ring inside the female gas bayonet fitting. 

In the extremely unlikely event that the female gas bayonet fitting is still leaking, even after disconnection, you need to turn the gas off at the source. 
In any situation where you have an ongoing problem, you should always call your gas fitter. 
Never attempt your own gas repairs or allow any unqualified person to try to fix it for you.

Disconnecting Gas Cooker Gas Bayonet Fitting Installation

Disconnecting a gas cooker gas bayonet fitting installation is the same process as disconnecting a gas heater bayonet connection fitting. For gas cooker gas bayonet fitting removal, you push in slightly and turn anti-clockwise, to disengage the locking lugs, and then pull the male gas bayonet fitting out.

Connect BBQ to House Gas

You can connect BBQ to house gas if the BBQ has been converted to use natural gas. The BBQ manufacturers typically sell conversion kits to switch over to natural gas use. The conversion kit would include a gas bayonet hose with a gas bayonet fitting installation.

Running the natural gas line to the BBQ area requires a licensed gas fitter and is not a DIY project.

Money Saving Tip that Work for Summer Storage of Gas Bayonet Fitting

Use purpose made dust plugs or a secure small plastic bag works around the gas heater bayonet fitting to keep out dirt and insects, as they can clog the heater during the following season. 
This could work with your gas bayonet fittings to save you an expensive gas fitter repair bill!

25 Gas Heater Safety Tips

Gas heaters are a great way to heat your home. 
Enjoy the safe use of your gas heater by following these simple gas heater safety tips:

Safety first with gas heaters1.  Always read you gas heater owner’s manual and follow the manufacturer’s directions for proper set-up and safe operation.

2. Fixed gas heaters and gas heater connection fitting bayonets must be installed by licensed gas fitters in accordance with the local gas and electrical authority regulations. 

 Gas heaters should not be built in unless designed for that purpose.

3. Choose a gas heater that is appropriately sized for the room.

 Please refer to manufacturer’s specifications prior to purchase or relocation of the heater.

4. Do not use the gas heater unless it has been certified for use by the Australian Gas Association or SAI Global.

Look for the attached label or badge when you purchase the heater.

5. If equipped with a filter, the filter should be regularly cleaned during heating season to maintain proper air flow.

Gas heaters and children6.  Keep children and pets away from gas heaters.

A one metre “Kid Free Zone” is a good idea.

Young children should always be supervised to ensure that they DO NOT play with the appliance.

7. Do not permit children to adjust the heater controls or move the heater.

8. Turn gas heaters off when unattended and when you go to bed.

9. Never sit on a gas heater.

10. Do not cover or place articles on or in a gas heater.

11. Keep gas heaters at least one metre away from all flammable objects including furniture, drapes, books and boxes.

Windows covering that can be wind blown into the heater should be restrained.

12. Never use a gas heater to dry clothing, shoes or other articles.

13. Never place the gas heater where towels or other objects could fall on the heater and start a fire.

14. Gas heaters should only be used in rooms with adequate ventilation.

Fixed ventilation must conform to local regulations.

15. Never use a portable gas heater in a bedroom, bathroom, toilet, sauna or a room used for sleeping.

Certain flued heaters may be used in bedrooms but check the manufacturer’s specifications before such use.

No aerosols near gas heaters16.  Never use or store flammable liquids or aerosols near a gas heater.

17. Portable gas heater hoses & power cords cannot be extended through a doorway into an adjacent room

18. Do not operate a gas heater where painting is being done or has recently taken place.

19. Most manufacturers suggest periodic inspection and service of the appliance and installation. Two years is the most common recommendation.

Please refer to your owner’s manual for more information.

20. Never attempt to disassemble or service the heater yourself.

Always use a qualified technician.

21. In the event that the gas hose, gas heater fittings or electrical gas heater connection should become damaged or the heater malfunctions in any way, do not operate until it is fixed by a qualified service person.

22. If you have a flued gas heater:

Be sure that you have it professionally installed by a gas fitter.

Regularly check the flue for unobstructed venting.

Be aware that insects, birds and animals can build nests in vent pipes.

If you suspect a problem, call a qualified gas fitter.

23. Do not use outdoor gas heaters indoors.

Outdoor gas heaters may create carbon monoxide.

Carbon monoxide can make you dizzy, give you headaches or flu-like symptoms. Extended exposure can be fatal

24. Never use a gas oven to heat your home.

25. If you smell gas at any time in your home:

No open flames if you smell gas

• No flames or sparks

• Don’t operate light switches, appliances or telephones.
• Leave the area with the doors and windows left open.
• Shut off the gas at your gas bottle valve(s) by turning clockwise.
• Don't turn back on until it has been checked by a gas fitter.
• Report the leak to your gas supplier.
• If Elgas is your gas supplier you can call us on 1800 819 783 from a gas-free location.
• Do not return inside your home until the gas has had time to dissipate.
• DO NOT USE AN ELECTRIC FAN.
• Remember that LPG is heavier than air and can accumulate in low areas and basements.
• Get your system and gas heater connection fittings checked by your local gas fitter.
 

Gas Heater Special Offers

Please click on promotion for full details*

Rinnai Sapphire Gas Fireplace

Cannon Fitzroy Gas Fireplace Sale

Cannon Canterbury LPG Bundle Sale

 

 
Comments, questions or feedback?
Please Email us at:   This email address is being protected from spambots. You need JavaScript enabled to view it.

The information in this article is derived from various sources and is believed to be correct at the time of publication. However, the information may not be error free and may not be applicable in all circumstances.