Connect our GasBOAT4208 regulator to two cylinders.
Constructed from marine grade materials.
Includes: 2x stainless steel bulkhead mounting brackets - one for the Regulator and one for the valve.
Inlet:  2x M20 male thread
Outlet: 21.8mm left-hand male thread
 
Easy switch from cylinder to cylinder...
Recommended for use on boats that carry two cylinders (one in use and 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. This will let you to safely connect to most gas cylinders found worldwide – and quickly switch from one cylinder to another.