[VAL] water inlet

["Scott Scheuermann" <s.l.scheuermann@xxxxxxxxxxxxxxxx>]

I have a 1973 Tradewind with the city water inlet by the rear bumper. When a
water hose is not connected and I try to use the pump to pressurize the
water system water sprays out the city water inlet. Did Airstream use a
one-way valve at the inlet, or did they rely on the cap to seal the inlet.
If the cap, does anyone know where to get one?

Thanks,

Scott