--- product_id: 531553489 title: "Gravity City Water Inlet Fill Dish Hatch Lock for RV Trailer Cars for Most Fresh Water Inlets on RV Motorhomes Caravans & Boats" brand: "beiyoule" price: "¥27585" currency: JPY in_stock: true reviews_count: 5 category: "Beiyoule" url: https://www.desertcart.jp/products/531553489-gravity-city-water-inlet-fill-dish-hatch-lock-for-rv store_origin: JP region: Japan --- # 1/2 inch vent for fast fill Lock & key security Durable plastic build Gravity City Water Inlet Fill Dish Hatch Lock for RV Trailer Cars for Most Fresh Water Inlets on RV Motorhomes Caravans & Boats **Brand:** beiyoule **Price:** ¥27585 **Availability:** ✅ In Stock ## Summary > 🔐 Lock in freshness, unlock peace of mind! ## Quick Answers - **What is this?** Gravity City Water Inlet Fill Dish Hatch Lock for RV Trailer Cars for Most Fresh Water Inlets on RV Motorhomes Caravans & Boats by beiyoule - **How much does it cost?** ¥27585 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/531553489-gravity-city-water-inlet-fill-dish-hatch-lock-for-rv) ## Best For - beiyoule enthusiasts ## Why This Product - Trusted beiyoule brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Compatibility:** Fits most RVs, motorhomes, caravans, and boats with threaded and tower-type interfaces. - • **Rapid Refill Ventilation:** 1/2 inch vent design ensures quick water flow, minimizing wait time during refills. - • **Complete Installation Kit:** Includes keys, knob lock, mounting screws, double-sided tape, and cleaning towels for hassle-free setup. - • **Durability Meets Convenience:** Made from tough plastic for long-lasting use, with an option to swap keys for a plastic knob lock. - • **Secure Your Freshwater Access:** Lockable cap with two keys keeps your water inlet safe from tampering and contamination. ## Overview The Gravity City Water Inlet Fill Dish Hatch Lock is a durable, lockable plastic cap designed for most fresh water inlets on RVs, motorhomes, caravans, and boats. Featuring a 1/2 inch vent for fast water filling and a secure lock with two keys (plus an optional plastic knob), it ensures contamination-free water access while providing easy installation with included hardware and accessories. ## Description Features:Material: Made of plastic. Durable for use.Vent: 1/2 inch. The 1/2 inch vent on the hatch ensures that water can be added quickly.With lock and key: Plastic water inlet, the hatch is equipped with a lock and key.Features: Gravity plastic water inlet, threaded and tower-type interface, the air outlet can quickly add water.Replace the key lock: If you feel the key is troublesome, you can replace it with a plastic knob lock.Specifications:Material: PlasticColor: whiteVent: 1/2 inchTypes: 1, 2Connector: 1/2" external thread connector, 1-1/4" tower connectorSize: (Approx) 151x166x108.5x76.5mm, 193x164.5x148x119mmPackage Included:2 PCs x Keys1 PC x Plastic knob lock2 PCs x Double-sided tape8 PCs x Mounting screws1 PC x Tape2 PCs x Small towelNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement. Review: اعرف مقاس المنتج الي عندك قبل الطلب - ممتاز وبديل للي انكسر عندي عجبني المنتج Review: Perfect and simple! - Exactly what I needed. It’s well made and secure and simple. I don’t need a large water management system. I’m only feeding my kitchen sink and my shower. I had ordered one of the big nautilus systems and sent in back. This is perfect! ## Features - 【RV Gravity Water Inlet & Gravity Water Inlet Fill Dish Hatch Lock】- Fresh water inlet locakable cap supplied with two keys suitable for most fresh water inlets on motorhomes caravans and boats. - 【Cover Design】Vent: 1/2 inch. The 1/2 inch vent on the hatch ensures that water can be added quickly; The seal ring is designed to prevent leakage, dust and water leakage. Gravity Water Inlet Lockable Cap with Lock for Most Fresh Water Inlets on RV Motorhomes Caravans and Boats. - 【Gravity Water Inlet & Fresh Water Fill Hatch with Lock】- Gravity Design, water fill hatch inlet for RV trailer cars.Gravity plastic water inlet, threaded and tower-type interface, the air outlet can quickly add water. - 【Material】 Made of plastic. Durable for use；With lock and key，Plastic water inlet, the hatch is equipped with a lock and key. - 【Tips】Replace the key lock: If you feel the key is troublesome, you can replace it with a plastic knob lock. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08D6KKMM3 | | Best Sellers Rank | #151,903 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #16 in Furnishings & Appliances | | Capacity | free size | | Color | 2 | | Country of Origin | USA | | Customer Reviews | 3.7 3.7 out of 5 stars (109) | | Date First Available | 2 August 2020 | | Item Dimensions LxWxH | 32 x 10 x 8 Centimeters | | Item Model Number | 15949663144496 | | Item Part Number | 15949663144496 | | Item Shape | Rectangular | | Item Weight | 10 g | | Manufacturer | beiyoule | | Primary material | not null | | Shipping Weight | 0.39 Kilograms | | Weight | 0.01 Kilograms | | What is in the box? | not null | ## Images ![Gravity City Water Inlet Fill Dish Hatch Lock for RV Trailer Cars for Most Fresh Water Inlets on RV Motorhomes Caravans & Boats - Image 1](https://m.media-amazon.com/images/I/51mLoaKfPvL.jpg) ![Gravity City Water Inlet Fill Dish Hatch Lock for RV Trailer Cars for Most Fresh Water Inlets on RV Motorhomes Caravans & Boats - Image 2](https://m.media-amazon.com/images/I/61yEsrUFpoL.jpg) ![Gravity City Water Inlet Fill Dish Hatch Lock for RV Trailer Cars for Most Fresh Water Inlets on RV Motorhomes Caravans & Boats - Image 3](https://m.media-amazon.com/images/I/511xIljZxKL.jpg) ![Gravity City Water Inlet Fill Dish Hatch Lock for RV Trailer Cars for Most Fresh Water Inlets on RV Motorhomes Caravans & Boats - Image 4](https://m.media-amazon.com/images/I/51g8QQpNm-L.jpg) ![Gravity City Water Inlet Fill Dish Hatch Lock for RV Trailer Cars for Most Fresh Water Inlets on RV Motorhomes Caravans & Boats - Image 5](https://m.media-amazon.com/images/I/51p-dsDmd8L.jpg) ## Questions & Answers **Q: does the city inlet have a backflow** A: Yes it does. It is shown on the last picture ## Customer Reviews ### ⭐⭐⭐⭐⭐ اعرف مقاس المنتج الي عندك قبل الطلب *by M***D on 12 April 2023* ممتاز وبديل للي انكسر عندي عجبني المنتج ### ⭐⭐⭐⭐⭐ Perfect and simple! *by C***S on 30 April 2026* Exactly what I needed. It’s well made and secure and simple. I don’t need a large water management system. I’m only feeding my kitchen sink and my shower. I had ordered one of the big nautilus systems and sent in back. This is perfect! ### ⭐⭐⭐⭐⭐ Quality Product *by S***G on 28 April 2026* Great product works as advertised. ## Frequently Bought Together - beiyoule Gravity City Water Inlet Fill Dish Hatch Lock for RV Trailer Cars for Most Fresh Water Inlets on RV Motorhomes Caravans & Boats - Valterra T50 3" Hub x 3" Bay with Cap Valve Assembly,Black - SEAFLO 33-Series Water Pressure Pump - 115V AC, 3.3 GPM, 45 PSI, Self Priming, Smart Pressure Switch, UL & CSA Certified, for RV, Caravan, Off-Grid, Marine, and Industrial Use --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/531553489-gravity-city-water-inlet-fill-dish-hatch-lock-for-rv](https://www.desertcart.jp/products/531553489-gravity-city-water-inlet-fill-dish-hatch-lock-for-rv) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-06-13*