LPG (Liquid Petroleum Gas) is either Butane or Propane.

 

Often, especially in winter and cooler climates, some Propane is added to cylinders primarily containing Butane. 

 

So by definition, a dual fuel regulator, is one that is designed and manufactured to be used with ether Butane or Propane or a mix. (Note: this has no reference to any type or style of cylinder connection, only the gas in the cylinder) 

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Marine grade regulators have to be dual fuel, and are rated at a 30 mbar output. Appliances must be compatible.

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Marine cookers manufactured since 2000, should be compatible.

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