Gas Bayonet Fittings – Gas Bayonet Hose – Connect & Disconnect

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Home 9 Residential LPG Blogs 9 Gas Bayonet Fittings – Gas Bayonet Hose – Connect & Disconnect

30 Aug, 2023 | Residential LPG Blogs

In this article:

Learn how to connect and disconnect a gas bayonet fitting.

Gas Fittings: Gas Bayonet Fittings – Gas Bayonet Hose – How to Connect & Disconnect

Gas bayonet fittings are used to connect a gas appliance to the wall or floor mounted female gas bayonet fitting. The gas bayonet hose connects the gas bayonet fitting to the appliance. The gas bayonet fittings consist of male and female gas fittings that connect like a bayonet light globe.

The most popular style of gas heaters in Australia are Portable Gas Bayonet Heaters.

Portable gas heaters connect to your home gas supply by means of a brass push & twist-to-lock gas bayonet fitting.

Gas Bayonet: Gas Bayonet Fitting, Gas Bayonet Hose & Gas Bayonet Wall Socket

Gas bayonet fittingA gas bayonet or gas bayonet fitting provides a method of attaching a gas bayonet heater to a gas bayonet wall socket with a gas bayonet hose. All are part of the gas bayonet system of gas fittings.

A male gas bayonet fitting connects a gas appliance — typically a heater — to a fixed female gas bayonet wall socket or floor mounted female gas bayonet fitting, attached to the gas supply. The male gas fittings are attached to the end of the gas bayonet hose.

The female gas fittings are attached to the gas supply line and affixed to the wall or floor.

You connect a gas bayonet by pushing in and twisting clockwise to lock it in place.

To disconnect, you push in slightly, turn anti-clockwise and then pull the male gas fitting out.

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

Gas Fittings for LPG & Natural Gas Heaters

Gas heater fittings - natural gas heater connectionsGas fittings for gas heaters connect the gas heater to the gas source. They include male gas bayonet fitting and hose assembly that plugs into the female bayonet fittings.

Female gas fittings are connected by gas pipe fittings to the gas bottles or natural gas heater connections.

Female bayonet fittings can be installed into a wall or through the floor

Most heater have an electrical connection to power the fan, igniter and control board.  Some radiant heaters do not require electricity.

Female Gas Bayonet

Female Gas Bayonet Fitting

The female gas bayonet 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 fittings have two locking lugs that are used to engage the male gas fittings and lock it in place.
 
A rubber O-ring seals the connection.
 
It also contains the on/off gas valve that is automatically actuated when a male fitting is fully inserted and locked.

Male Gas Bayonet

Male Gas Bayonet Fitting

The male gas bayonet is affixed to the end of the gas hose, which is attached to the portable heater.
 
Male gas bayonet has two push-and-twist slots for engaging the two locking lugs on the female gas bayonet.
 
It also has a protrusion that pushes on and opens the automatic gas valve, when the male fitting is fully inserted and interlinked.

Inspect & Clean the Gas Bayonet Fitting

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

Gas Bayonet Fitting Installation

A licensed gas fitter must always install the gas bayonet fitting.

The female gas bayonet fitting is installed through a wall or the floor and is connected to the gas bottle piping.

Hence, it involves significant plumbing work, which should only be performed by certified professionals.

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

Various components may be required to properly connect gas cookers or heaters to the bayonet fittings, including:

  • Gas bayonet hose
  • Gas bayonet socket: angled or straight in brass, chrome or stainless steel
  • Gas bayonet adaptor (male)
  • Gas bayonet fitting (male)
  • Gas bayonet wall socket
  • Mounting bracket

Connecting the Gas Bayonet

Connecting the Bayonet Fitting

The actual physical act of connecting the two gas fittings is very similar to the changing of a bayonet light globe.

The male fitting is inserted into the female fitting, with the locking lugs aligning with the engagement slots. 
 
You push in and twist clockwise to lock it in place.
 
Please note that you need to push in rather firmly, as the gas valve spring is quite strong.

Disconnecting the Gas Bayonet

To disconnect a gas bayonet you basically just reverse the process.
 
You push in slightly and turn anti-clockwise, to disengage the locking lugs, and then pull the male fitting out.
 
There may be a small whiff of gas when you connect or disconnect the bayonet.  This is normal.

If You Continue to Smell Gas

However, if you detect a continuous leak, you should disconnect the gas bayonet immediately and inspect for dirt or damage, including to the O-ring inside the female connector.
 
In the extremely unlikely event that the female 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.
 
For gas emergencies, don’t hesitate to call us at 1800 819 783, and our certified LPG technicians will arrive at your property to address the situation, giving you the best LPG advice and how to safely install and use your LPG bottles and appliances.

Money Saving Tip for Summer Storage of Gas Bayonet Heaters

Use purpose made dust plugs or secure small plastic bags around the connectors to keep out dirt and insects, as they can clog the heater during the following season.
 
This could 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 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 or electrical 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 flames or sparksNo open flames if you smell gas

• 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 checked by your local gas fitter.

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