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Diagram of RV water filler with vent
Water filler front view with keys in front
Water filler side view held in hand

Locking Water Fill Cap with Vent

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Upgrade the freshwater fill on your camper van or any RV with this Universal RV Fresh Water Fill Neck and Cap. Made with a heavy-duty UV stable plastic.  This has a vented locking cap with Quarter Turn ThreadsUse with 1-1/2" water hose.


Color:  White.
Includes:  Foam Seal, 2 Keys, 
Length:  3.5" and 3.0"
Angle:  15° Degree
Main Tube Diameter:  1-1/2 - 1.50 O.D.
Water Drain/Vent Diameter:  3/8" O.D.
Hole Needed To Install:  3-1/8" I.D.
Mounting Flange Outer Diameter:   4-3/8" O.D.
Bolt Hole Spacing:  3-1/4" Center to Center
Hose Fitting Inner Diameter:  1-9/16"