No it doesn't. If you are using regulator screwed into or clipped onto top of gas bottle then for UK supplied gas bottle it is impossible to fit incorrect regulator. For camping/caravanning use these are 28mb butane or 37mb propane.
Where you are getting yr 2004 from is after about then UK supplied caravans & motorhomes began to be fitted with 30mb regulators fixed to the bulkhead of gas locker & not to bottle. Bottles are connected by pigtail specific for bottle to bulkhead regulator. These bulkhead regulators can work with both butane or propane bottles.
A day of all things motorhome and campervan. The show is held both in the main indoor arena and across the grounds. Catering, hot drinks and food options are available. Easy access to the site and free parking included. Win one of five pairs of day tickets