Generally putting one high pressure to low pressure regulator after another is not going to make you happy. those little regulators are designed for input pressures in the 100+ PSI range and output in the 0.5-PSI range (11 inches of water)
Camping World LinkThe Stay-A-While is designed for Motor Homes with attached tanks, if you have portable tanks there is one that has all but the propane inlet.
Either of these will output high pressure propane just like the disposable bottle you normally see the webber's pictured with.
Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times