:<< My 1969 model has the built-in water pressure regulator if this is
what
: this thread was about. The setting for copper pipe Airstreams I think
: was about 80 psi, or whatever city water pressure normally is. >>

:Yes, so does mine, but it won't protect the hose.... to protect the
hose you
:need one to be at the faucet.
:Hunter

The one at the hose bib connector (faucet) cuts down your water pressure
to 40 psi. Now, if my 'whole house' system in the Airstream is set for
80 psi (for arguments sake) and it won't blow up, why would I want to
protect a hose? This greatly cuts down on 'household' water pressure
for my unit. Again, why would I want to do this? I connect a hose to
my house at home at the outside faucet and it's set much higher than 40
psi that the Marshall Brass regulator is set at. Again, if a hose
doesn't blow up with pressure from your home faucet when you wash the
car, unit, etc., why would I even want to be concerned with the price of
a hose and lose what I've become accustomed to with 'household' water
pressure that my unit is built to take from the get-go? Carry a repair
kit (3 pieces?) to fix a broken hose that most likely would have failed
you anyway with or without high water pressure. Also, make sure and get
a quality hose to begin with. Scimping on quality after you bought an
Airstream makes no sense to me. If I wanted to skimp on costs, I never
would have bought an Airstream to begin with. Would you?

Tom in NC