---
product_id: 254924322
title: "classAcustoms | 42 Gallon RV Concession Fresh Water Tank with Plumbing Kit & 12 Volt Water Pump | T-4200-BPK-PUMP"
brand: "classacustoms"
price: "¥99504"
currency: JPY
in_stock: true
reviews_count: 8
category: "Class Acustoms"
url: https://www.desertcart.jp/products/254924322-classacustoms-42-gallon-rv-concession-fresh-water-tank-with-plumbing
store_origin: JP
region: Japan
---

# 12V On-Demand Water Pump 42 Gallon Capacity Complete Plumbing Kit Included classAcustoms | 42 Gallon RV Concession Fresh Water Tank with Plumbing Kit & 12 Volt Water Pump | T-4200-BPK-PUMP

**Brand:** classacustoms
**Price:** ¥99504
**Availability:** ✅ In Stock

## Summary

> 🚐 Hydrate your adventure with seamless, safe, and smart water storage!

## Quick Answers

- **What is this?** classAcustoms | 42 Gallon RV Concession Fresh Water Tank with Plumbing Kit & 12 Volt Water Pump | T-4200-BPK-PUMP by classacustoms
- **How much does it cost?** ¥99504 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/254924322-classacustoms-42-gallon-rv-concession-fresh-water-tank-with-plumbing)

## 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

- • **Smart 12V Water Pump:** Energy-efficient on-demand pump that activates only when needed.
- • **Plug & Play Plumbing Kit:** Everything you need for a hassle-free, professional installation.
- • **NSF Certified Safe Materials:** Drink confidently with NSF/ANSI Std 61 approved MDPE resin.
- • **Seamless One-Piece Construction:** Durability that prevents leaks and bursts during transit.
- • **Massive 42 Gallon Fresh Water Capacity:** Stay hydrated on the road without constant refills.

## Overview

The classAcustoms 42 Gallon RV Fresh Water Tank is a durable, NSF-certified, seamless tank designed for safe drinking water storage. It includes a full plumbing kit and a 12V on-demand water pump delivering 3.0 GPM, ensuring efficient water flow. Built for easy installation and reliable use, this tank is perfect for RV enthusiasts seeking convenience and safety on the road.

## Description

FRESH/DRINKING WATER SAFE – MADE IN THE USA by Class A Customs using NSF Certified Materials Tank & fittings made from DOW NSF International NSF/ANSI Std 61 approved Medium Density Polyethylene (MDPE) Resin SEAMLESS One-piece construction, no seams to burst COLOR Creamy White you can see waterline through tank. OEM PART No retail box - no install instructions Have a certified technician install all parts to prevent product damage and personal injury PREPARATION Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process. TANK MUST BE VENTED allowing air in and out when in use. *DO NOT PRESSURIZE TANK* do not make a sealed connection from garden hose directly to tank damage will occur. DO NOT over-tighten fittings damage will occur. MOUNTING & BRACING Place tank on level surface and brace to prevent tank from moving during transit. DO NOT hang tank by straps. DO NOT place weight on tank. FOOD VENDORS - BEFORE PURCHASING - Verify all requirements with health department where inspection will be made.

Review: Well made - Works great
Review: Tank and pump - Good price and made well

## Features

- 42 Gallon Fresh Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe WATER TANK MEASUREMENTS: 27.5” Longest Length (not including fittings) x 15.25” x 22.5 - 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 watertight, 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 connecting fittings as metal will damage threads
- 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.
- BASIC PLUMBING KIT INCLUDES - (TWO) 0.5” Hose Barb to 0.5” Male Pipe Thread Adaptor (FOUR) 0.5” Hose Clamp (ONE) 1.25” Hose Barb to 1.5” Male Pipe Thread Adaptor (TWO) 1.5” Hose Clamps (ONE) 1.5” Male Pipe Thread PVC Male Adaptor (ONE) 5ft. Section of 0.5” ID Vent/Draw Hose (ONE) 5ft. Section of 1.25” ID (1.375” OD) Fill Hose
- classAcustoms 12 VOLT Fresh Water Pump MODEL # 12V3 - FRESH WATER USE ONLY - OPEN FLOW 11.6LPM / 3.0GPM AMPS 4.0A MAX AMPS 8.0A SHUT OFF PRESSURE 45PSI/3.1 Bar ON-DEMAND PUMP only turns on when senses pressure changes in line 12 VOLT POWER ONLY 110/115/220 volt will damage the unit - READ INSTRUCTION BOOKLER BEFORE INSTALLATION

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08DDGGYLS |
| Best Sellers Rank | #637,804 in Automotive ( See Top 100 in Automotive ) #170 in RV Freshwater Tanks & Inlets |
| Brand | classAcustoms |
| Customer Reviews | 4.5 4.5 out of 5 stars (56) |
| Date First Available | October 14, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 26 pounds |
| Manufacturer | Class A Customs |
| Manufacturer Part Number | T-4200-BPK-PUMP |
| Voltage | 12 Volts |

## Images

![classAcustoms | 42 Gallon RV Concession Fresh Water Tank with Plumbing Kit & 12 Volt Water Pump | T-4200-BPK-PUMP - Image 1](https://m.media-amazon.com/images/I/616czo-T+8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Well made
*by M***T on September 3, 2025*

Works great

### ⭐⭐⭐⭐⭐ Tank and pump
*by D***A on May 30, 2023*

Good price and made well

### ⭐⭐⭐⭐ Good tank
*by T***N on December 5, 2023*

Tank is good but the pump stopped working siezed

## Frequently Bought Together

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-29*