Don’t get caught out, keep an eye on your gas bottle level with this replacement regulator with a built in gauge.
This is a single stage Butane gas regulator preset to 37mbar and conforming to to EN12864. ( BS EN 16129:2013 )
This is a push fit regulator, the type that you put on top of the bottle and push down to lock, it is not a replacement for screw fit regulators.
On some older style gas bottles there may not be enough room to fit this type of regulator with the attached gauge within the handle /shroud area, it is about 11cm wide.
Please check that this regulator is suitable your gas bottles fitting.