Add to Wish list Quick view GOK GOK Bulkhead Gas Regulator 30 mbar Outlet Switch Valve £42.95 GOK Bulkhead Gas Regulator 30 mbar Outlet Switch Valve For use in post 2004 caravans and motorhomes, this GOK (Truma) Bulkhead Gas Regulator 30 mbar Outlet Switch Valve is suitable for both... Choose Options