---
product_id: 21040255
title: "3750/5000W 208/240V Horizontal/Downflow Unit Heater"
brand: "marley"
price: "₨532408"
currency: LKR
in_stock: true
reviews_count: 2
url: https://www.desertcart.lk/products/21040255-3750-5000w-208-240v-horizontal-downflow-unit-heater
store_origin: LK
region: Sri Lanka
---

# 240V efficient electric operation Compact 7.5x14x16 inch footprint 5000W high-power heating 3750/5000W 208/240V Horizontal/Downflow Unit Heater

**Brand:** marley
**Price:** ₨532408
**Availability:** ✅ In Stock

## Summary

> 🔥 Heat your hustle with precision and power!

## Quick Answers

- **What is this?** 3750/5000W 208/240V Horizontal/Downflow Unit Heater by marley
- **How much does it cost?** ₨532408 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/21040255-3750-5000w-208-240v-horizontal-downflow-unit-heater)

## Best For

- marley enthusiasts

## Why This Product

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

## Key Features

- • **Safety First Design:** Linear thermal cutout and 24V control transformer ensure worry-free operation
- • **Space-Smart Footprint:** Compact dimensions fit seamlessly in warehouses, garages, and more
- • **Powerhouse Heat Output:** Blast your space with 5000 watts of consistent warmth
- • **Precision Warmth Control:** Adjustable louvers let you direct heat exactly where you need it
- • **Built for Industrial Strength:** Rugged metal construction designed to withstand tough environments

## Overview

The Marley MUH0521 is a 5000W, 240V horizontal/downflow unit heater engineered for industrial and commercial spaces. Its durable metal build and advanced pull-through air design deliver efficient, evenly distributed heat. Safety features like a linear thermal cutout and 24V control transformer provide reliable protection, while adjustable louvers offer targeted warmth. Compact and versatile, it’s perfect for warehouses, garages, and loading docks.

## Description

This rugged unit heater works well in industrial settings. Install it in factories, warehouses, garages, stairwells, power stations or mechanical rooms. Its powerful output capacity even makes it suitable for heating your loading dock or other indoor/outdoor transition spaces.

## Features

- Unit Heater: This powerhouse evenly distributes a large amount of heat while keeping a small footprint, thanks to its sturdy metal construction and advanced pull-through air design
- Versatile Use: Self-contained and perfect for industrials spaces, this unit heater can stand alone or be easily installed with existing ductwork
- Safety Features: A linear thermal cutout provides automatic protects the entire length of the heating element Plus, most models feature a 24V control transformer for safer temperature adjustment
- Precise Heat: Aim your warmth where you need it most with adjustable louvers
- Perfect Size: This unit measures 75 inches long, 14 inches wide, and 16 inches high

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Marley |
| Part Number | MUH0521 |
| Item Weight | 21.4 pounds |
| Product Dimensions | 7.5 x 14 x 16 inches |
| Item model number | MUH0521 |
| Color | Beige |
| Power Source | corded electric |
| Voltage | 240 Volts |
| Wattage | 5000 watts |
| Item Package Quantity | 1 |
| Mounting Type | Floor Mount |
| Included Components | MUH0521 |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![3750/5000W 208/240V Horizontal/Downflow Unit Heater - Image 1](https://m.media-amazon.com/images/I/714gMdY27ZL.jpg)
![3750/5000W 208/240V Horizontal/Downflow Unit Heater - Image 2](https://m.media-amazon.com/images/I/71SfSbIqZzL.jpg)
![3750/5000W 208/240V Horizontal/Downflow Unit Heater - Image 3](https://m.media-amazon.com/images/I/81nWgID7dSL.jpg)
![3750/5000W 208/240V Horizontal/Downflow Unit Heater - Image 4](https://m.media-amazon.com/images/I/81QGkblXBkL.jpg)
![3750/5000W 208/240V Horizontal/Downflow Unit Heater - Image 5](https://m.media-amazon.com/images/I/81z+lmH2CQL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Works well
  

*by T***. on Reviewed in the United States on June 11, 2019*

Works as advertised

### ⭐ 







  
  
    Doesn’t work - spent more on electricians
  

*by E***. on Reviewed in the United States on November 25, 2020*

Doesn’t work - spent more on electricians than the heater costs.

---

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**Shop now:** [https://www.desertcart.lk/products/21040255-3750-5000w-208-240v-horizontal-downflow-unit-heater](https://www.desertcart.lk/products/21040255-3750-5000w-208-240v-horizontal-downflow-unit-heater)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-05-20*