---
product_id: 71327431
title: "Flame King YSN401 Steel Propane Tank Cylinder With Overflow Protection Device Valve, 40 Lb, White"
brand: "flame king"
price: "¥105400"
currency: JPY
in_stock: true
reviews_count: 10
category: "Flame King"
url: https://www.desertcart.jp/products/71327431-flame-king-ysn401-steel-propane-tank-cylinder-with-overflow-protection
store_origin: JP
region: Japan
---

# Overflow Protection Device valve 40 lb high-grade welded steel capacity DOT & Transport Canada certified safety Flame King YSN401 Steel Propane Tank Cylinder With Overflow Protection Device Valve, 40 Lb, White

**Brand:** flame king
**Price:** ¥105400
**Availability:** ✅ In Stock

## Summary

> 🔥 Fuel your adventures with confidence and style!

## Quick Answers

- **What is this?** Flame King YSN401 Steel Propane Tank Cylinder With Overflow Protection Device Valve, 40 Lb, White by flame king
- **How much does it cost?** ¥105400 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/71327431-flame-king-ysn401-steel-propane-tank-cylinder-with-overflow-protection)

## Best For

- flame king enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Compatibility:** Standard valve fits RVs, trailers, heaters, and all propane accessories effortlessly
- • **Generous 40 lb Capacity:** Large volume tank built from premium alloy steel for long-lasting durability
- • **Trusted Industry Leader:** Flame King’s premium craftsmanship ensures you’re backed by the best in propane storage
- • **Smart Overfill Prevention:** Equipped with OPD valve to meet legal standards and avoid costly refill refusals
- • **Unmatched Safety Assurance:** X-ray & hydrostatic tested, certified for US & Canada transport compliance

## Overview

The Flame King YSN401 is a 40 lb white steel propane tank featuring a legally required Overflow Protection Device valve, built from high-grade alloy steel with powder coating for rust resistance. It is rigorously tested and certified for safe transport in the US and Canada, compatible with standard propane accessories, and backed by Flame King’s reputation for premium quality and durability.

## Description

desertcart.com: Flame King YSN401 Steel Propane Tank Cylinder With Overflow Protection Device Valve, 40 Lb, White : Tools & Home Improvement

Review: Exceptionable, definitely worth the purchase - Love this tank!!! Design, value, weight and durability are all exceptionable.
Review: Great Value - Great tank and a great value. Works just fine.

## Features

- EMPTY TANK: Pre-purged vacuum ready for filling with propane; built from high-grade, welded steel and powder coated for rust prevention
- OVERFILL PREVENTION DEVICE: Comes with an OPD valve to prevent overfilling; required by law in most States, if your tank doesn't have this, most places won't fill it!
- SAFETY: X-ray and hydrostatic tested and DOT and Transport Canada certified so you can be sure to transport safely both in the US and CA
- SUIT YOUR NEEDS: With a standard-size connection valve, this large 40LB tank will connect as easily as smaller tanks, and work with RVs or trailers, propane tank attachable heaters, and other accessories.
- LEADING THE INDUSTRY: Flame King, a leader in propane storage solutions, prides itself on making the highest quality, premium, refillable propane tanks on the market. From 1lb up to 100lb tanks, we've got you covered

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004LZN5ES |
| Best Sellers Rank | #21,856 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #7 in Heaters & Heater Accessories |
| Brand | Flame King |
| Brand Name | Flame King |
| Capacity | 40 pounds |
| Color | White |
| Customer Reviews | 4.7 out of 5 stars 943 Reviews |
| Global Trade Identification Number | 00899003000410 |
| Item Type Name | YSN401 40 Pound Steel Propane Tank Cylinder |
| Manufacturer | Flame King |
| Material | Alloy Steel |
| Model Number | YSN401 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 302018 |
| UPC | 899003000410 |
| Unit Count | 1 Count |
| Warranty Description | 30 Day Warranty voids if not purchased from Amazon Retail, Flame King. |

## Product Details

- **Brand:** Flame King
- **Capacity:** 40 pounds
- **Color:** White
- **Material:** Alloy Steel
- **Number of Packs:** 1

## Images

![Flame King YSN401 Steel Propane Tank Cylinder With Overflow Protection Device Valve, 40 Lb, White - Image 1](https://m.media-amazon.com/images/I/61ahwbNlHBL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Exceptionable, definitely worth the purchase
*by L***D on August 23, 2026*

Love this tank!!! Design, value, weight and durability are all exceptionable.

### ⭐⭐⭐⭐⭐ Great Value
*by G***. on August 25, 2026*

Great tank and a great value. Works just fine.

### ⭐⭐⭐⭐⭐ Excellent Quality Propane Tanks
*by A***P on August 23, 2026*

I’ve purchased three of these propane tanks so far, and I haven’t had any problems with them. They are very well made and feel like excellent quality. Just make sure you choose the right cylinder size for your needs, because the larger tanks become quite heavy when filled with propane. Overall, I’m very satisfied and would definitely recommend them.

## Frequently Bought Together

- Flame King YSN401 Steel Propane Tank Cylinder With Overflow Protection Device Valve, 40 Lb, White
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**Shop now:** [https://www.desertcart.jp/products/71327431-flame-king-ysn401-steel-propane-tank-cylinder-with-overflow-protection](https://www.desertcart.jp/products/71327431-flame-king-ysn401-steel-propane-tank-cylinder-with-overflow-protection)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-31*