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๐ Lock in Freshness, Unlock Peace of Mind!
The Gravity City Water Inlet Fill Dish Hatch Lock is a durable, lockable plastic cap designed for most fresh water inlets on RVs, trailers, caravans, and boats. Featuring a 1/2 inch vent for rapid water filling and a leak-proof seal, it ensures secure, contamination-free water access. Supplied with two keys and an option for a plastic knob lock, it offers both security and convenience for mobile water systems.





| Best Sellers Rank | #139,202 in Automotive ( See Top 100 in Automotive ) #563 in RV Furniture Parts & Hardware |
| Customer Reviews | 3.9 out of 5 stars 123 Reviews |
C**S
Perfect and simple!
Exactly what I needed. Itโs well made and secure and simple. I donโt need a large water management system. Iโm only feeding my kitchen sink and my shower. I had ordered one of the big nautilus systems and sent in back. This is perfect!
S**G
Quality Product
Great product works as advertised.
J**E
Poorly made junk that broke during installation.
Poorly made junk broke during installation. The vent line broke off for me, but I suspect any of them could. Total waste of time and money.
R**E
Reliable Backflow Protection for Food Trailers or Trucks
This is a reliable and important addition for any food trailer or mobile unit plumbing system. I would definitely recommend it.
B**S
Looks good but valve assembly should be metal.
Easy installation, but back flow device is terrible. It comes out the minute pressure hits it and putting it back in is pretty a waste of energy although I continue to do it.
T**O
Ok quality
This worked just fine, which it was a bit better quality
M**S
Excellent
Exactly what I thought it was when I ordered it and fit perfectly
T**E
Water inlet
I installed this unit into my Lance Camper to replace the broken door. It did fit perfectly; however, water leaked out the water inlet. When I turned on the pump, water flowed out this inlet. I removed the unit and reinstalled with the same problem. Fortunately, I did not dispose of the removed unit. I removed the inlet from the removed unit and installed it into the purchased unit. Water flow problem resolved. It appears to be missing a spring retainer. I gave it 2 stars for the fit. Otherwise, it is junk!
M**D
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Trustpilot
3 weeks ago
5 days ago