---
product_id: 130011508
title: "Flame King YSN401a 40 Pound Steel Propane Tank Cylinder with Overflow Protection Device Valve,White"
brand: "flame king"
price: "4242 kr"
currency: DKK
in_stock: true
reviews_count: 8
category: "Flame King"
url: https://www.desertcart.dk/products/130011508-flame-king-ysn401a-40-pound-steel-propane-tank-cylinder-overflow
store_origin: DK
region: Denmark
---

# High-grade steel - rust-resistant & durable 40 lb capacity - heavy-duty fuel reserve OPD valve - overfill protection, legal & safe Flame King YSN401a 40 Pound Steel Propane Tank Cylinder with Overflow Protection Device Valve,White

**Brand:** flame king
**Price:** 4242 kr
**Availability:** ✅ In Stock

## Summary

> 🔥 Fuel your freedom with safety and style!

## Quick Answers

- **What is this?** Flame King YSN401a 40 Pound Steel Propane Tank Cylinder with Overflow Protection Device Valve,White by flame king
- **How much does it cost?** 4242 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/130011508-flame-king-ysn401a-40-pound-steel-propane-tank-cylinder-overflow)

## 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

- • **Universal Compatibility:** Standard valve fits RVs, heaters, trailers & more
- • **Massive 40-Pound Capacity:** Fuel your adventures without constant refills
- • **Overflow Protection Valve:** Stay compliant and safe with OPD technology
- • **Certified Safety Assurance:** DOT & Transport Canada tested for worry-free transport
- • **Premium Rust-Resistant Build:** Powder-coated steel for long-lasting performance

## Overview

The Flame King YSN401a is a 40-pound steel propane tank featuring a legally required Overflow Prevention Device (OPD) valve, ensuring safe and compliant refills. Constructed from high-grade welded steel with a rust-resistant powder coating, it’s DOT and Transport Canada certified for secure transport across North America. Its standard valve connection makes it compatible with a wide range of propane-powered equipment, from RVs to heaters, making it the premium choice for professionals and outdoor enthusiasts alike.

## Description

Buy Flame King YSN401a 40 Pound Steel Propane Tank Cylinder with Overflow Protection Device Valve,White: Replacement Fuel - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Works grear! - This is a great product
Review: Tank madness - Well made

## 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 | B07Q7MCXNG |
| Best Sellers Rank | #136,480 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #90 in Camping Replacement Fuel |
| Capacity | 40 Pounds |
| Customer Reviews | 4.6 4.6 out of 5 stars (648) |
| Date First Available | March 28, 2019 |
| Fuel Type | Liquefied Petroleum Gas |
| Global Trade Identification Number | 00899003000465 |
| Item Weight | 31 pounds |
| Item model number | YSN401a |
| Manufacturer | Flame King |
| Manufacturer Part Number | YSN401a |
| Model | YSN401a 40 Pound Steel Propane Tank Cylinder |
| Product Dimensions | 12.3 x 12.3 x 29.3 inches |
| UPC | 899003000465 |

## Product Details

- **Brand:** Flame King
- **Color:** White
- **Item Weight:** 14.11 Kilograms
- **Material:** Alloy Steel
- **Product Dimensions:** 12.3"W x 29.3"H

## Images

![Flame King YSN401a 40 Pound Steel Propane Tank Cylinder with Overflow Protection Device Valve,White - Image 1](https://m.media-amazon.com/images/I/61opbe3qmBL.jpg)
![Flame King YSN401a 40 Pound Steel Propane Tank Cylinder with Overflow Protection Device Valve,White - Image 2](https://m.media-amazon.com/images/I/61aKjEnq4fL.jpg)
![Flame King YSN401a 40 Pound Steel Propane Tank Cylinder with Overflow Protection Device Valve,White - Image 3](https://m.media-amazon.com/images/I/71aFVbUTxaL.jpg)
![Flame King YSN401a 40 Pound Steel Propane Tank Cylinder with Overflow Protection Device Valve,White - Image 4](https://m.media-amazon.com/images/I/718nSFS696L.jpg)
![Flame King YSN401a 40 Pound Steel Propane Tank Cylinder with Overflow Protection Device Valve,White - Image 5](https://m.media-amazon.com/images/I/81bwM0aENvL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works grear!
*by G***C on September 27, 2025*

This is a great product

### ⭐⭐⭐⭐⭐ Tank madness
*by T***G on October 9, 2025*

Well made

### ⭐⭐⭐⭐⭐ Perfect
*by J***N on February 22, 2025*

This was a great purchase .

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.dk/products/130011508-flame-king-ysn401a-40-pound-steel-propane-tank-cylinder-overflow](https://www.desertcart.dk/products/130011508-flame-king-ysn401a-40-pound-steel-propane-tank-cylinder-overflow)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-23*