Kit containing: GasBOAT 4208 30mbar dual fuel regulator and a manual change over valve with 2 high pressure (5yr) hoses (21" long). Connect 2 cylinders at the same time and just switch between. 
 
To complete your solution, you will also need to purchase the Cylinder Adaptors you require.
 
Inlet:  2x M20 male thread (0.3 - 16bar)
Outlet Connection: 3/8 inch female BSP
Outlet rating: 30mbar 1.60kg/hr
 
Easy switch from cylinder to cylinder...
Recommended for use on boats that carry two cylinders (one in use and a spare) when one cylinder becomes empty just switch supply to the second cylinder for immediate use and replace the empty cylinder when convenient.
 
Worldwide Connection Options...
With 2x M20 inputs to the changeover valve you can use our GasBOAT 4018 adaptor kit and our 4021 & 4032 adaptors. This will let you to safely connect literally any gas cylinder found worldwide – and quickly switch from one cylinder to another.
 
Safety Features
This is a Marine Grade regulator and has been designed and built to resist the harsh environments found at sea. It fully complies with modern stringent regulations and appliance warranties, offering peace of mind and the knowledge that your vessels insurance policy is valid for gas related incidents.
Constructed from marine grade materials
Fitted with reinforced diaphragms
Over-pressure relief at 75mbar
Fully conforms to BS EN 16129 M 2013
 
Please remember to choose your required regulator outlet connector, see regulator outlet connectors.