---
product_id: 102041070
title: "Class A Customs | UM-1500 | One (1) UnderMount 15 Gallon RV Fresh and Gray Water Holding Tank RV Concession"
brand: "classacustoms"
price: "HK$3289"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/102041070-class-a-customs-um-1500-one-1-undermount-15-gallon
store_origin: HK
region: Hong Kong
---

# 15 Gallon Capacity Water-tight Fittings Made in USA Class A Customs | UM-1500 | One (1) UnderMount 15 Gallon RV Fresh and Gray Water Holding Tank RV Concession

**Brand:** classacustoms
**Price:** HK$3289
**Availability:** ✅ In Stock

## Summary

> 🚐 Your Adventure Awaits with Class A Customs!

## Quick Answers

- **What is this?** Class A Customs | UM-1500 | One (1) UnderMount 15 Gallon RV Fresh and Gray Water Holding Tank RV Concession by classacustoms
- **How much does it cost?** HK$3289 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/102041070-class-a-customs-um-1500-one-1-undermount-15-gallon)

## Best For

- classacustoms enthusiasts

## Why This Product

- Trusted classacustoms brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **NSF Approved Materials:** Safe for fresh and drinking water.
- • **Built-in Venting System:** Ensures safe and efficient water flow.
- • **Lightweight Yet Durable:** Only 30 lbs for easy handling!
- • **Customizable Orientation:** Rotate for optimal fit in any space.
- • **Versatile Storage Solution:** Perfect for RVs, campers, and food vendors!

## Overview

The Class A Customs UM-1500 is a 15-gallon under-mount water holding tank designed for RVs and concession trailers. Made from NSF approved materials, it is safe for both fresh and gray water storage. With customizable dimensions and built-in fittings, this tank is perfect for any outdoor adventure or food service need.

## Description

Class A Customs | UM-1500 | One (1) UnderMount 15 Gallon RV Fresh and Gray Water Holding Tank RV Concession

## Features

- 15 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
- WATER TANK MEASUREMENTS: 36” Longest Length (not including fittings) x 8.5” height x 13” width - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
- TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and water-tight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT Over-tighten fitting damage will occur – Use plastic threaded fittings, metal threads may damage tank fittings
- NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
- Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Capacity | 15 Liters |
| Item Weight | 30 Pounds |
| Item Dimensions L x W x H | 36"L x 13"W x 8.5"H |
| Color | White |
| Material | Polyethylene (PE) |

## Product Details

- **Brand:** classAcustoms
- **Color:** White
- **Material:** Polyethylene (PE)
- **Product Dimensions:** 36"L x 13"W x 8.5"H
- **Capacity:** 15 Liters

## Images

![Class A Customs | UM-1500 | One (1) UnderMount 15 Gallon RV Fresh and Gray Water Holding Tank RV Concession - Image 1](https://m.media-amazon.com/images/I/61LGdm9WA3L.jpg)

## Frequently Bought Together

- Class A Customs | UM-1500 | One (1) UnderMount 15 Gallon RV Fresh and Gray Water Holding Tank RV Concession
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**Shop now:** [https://www.desertcart.hk/products/102041070-class-a-customs-um-1500-one-1-undermount-15-gallon](https://www.desertcart.hk/products/102041070-class-a-customs-um-1500-one-1-undermount-15-gallon)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-24*