Nope, it's not protected against higher than normal pressure and flow.
I always use a quality adjustable pressure regulator at the campground water spigot to protect my hoses and AS.
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'The Silver HamShack' (2007 International 22FB CCD 75th Aniversary model)
Multiple Yaesu Radios inside and many antennae sprouting from roof, ProPride hitch
2012 shortbed crewcab 4x4 Toyota Taco TV with more antennae on it