How to measure the gas/water fittings you need!
Gas fittings and hoses used in Australian Caravans and Motorhomes
use a number of different threads. They may seem hard at first,
but a short read will give you enough information to purchase
the correct part.
The following information is educational and general in
nature only. Licensed Gas Fitters are required to install gas
fittings into RV's.
1) BSP (British Standard Pipe) threads (Gas and Water) are
the most common and can be used for gas and water.
The sizes are imperial.
To get a 100% seal with gas you normally use a yellow thread
When used for water the most common one you will know around
the home is on your garden tap. These are 3/4" BSP for
The size quoted for threads is indicative of the internal bore size,
not the dia. of the thread.
Click here to print a Thread Sight Guide to lay your thread on.