---
title: Explosion Proof MAU with Corrosion Resistant Design for a WWTP
description: Designed for a waste water treatment plant, this XeteX custom make up unit features an explosion proof design and a corrosion resistant construction.
---

[XeteX Air Handling Blog ](https://xetex.com/blog)

# [Explosion Proof MAU with Corrosion Resistant Design for a WWTP](https://xetex.com/blog/custom-explosion-proof-mau-with-corrosion-resistant-aluminum-design)

 Written by [XeteX](https://xetex.com/blog/author/xetex) | 2/12/24 8:11 PM

Designed for a waste water treatment plant (WWTP), this XeteX custom make up unit (MAU) features an explosion proof design and non-corrosive aluminum construction.

This MAU is equipped with Explosion Proof Class-1, Div-1 motors, a freeze stat, unit wiring actuators, lights, GFCI, and filter gauges. Its corrosion-resistant construction with aluminum and heresite-coated components ensure optimal performance in a harsh environment.

## XeteX Make Up Unit Specifications

Model: XAH-18000-RT-HW-XP  
Dimensions: 86”H x 106”W x 140”L  
Weight: 4,750 LBS  
Supply CFM: 18,000 CFM  
Heating Equipment: Phenolic Coated Hot Water Coil  
Heating Capacity: 1,000 MBH

## Construction

- Outdoor unit with **thermal break construction**
- 4” double wall casing with injected foam (R-28) insulation 
    - 0.063 aluminum exterior casing
    - 0.063 aluminum interior casing
- 6” structural aluminum base frame
- 0.080 aluminum floor with polyIso foam (R-6.0/in)

## Other Features

- Plumbing and Electrical Chase

## XeteX Make Up Unit Components

**A. NEMA 7 enclosure with control panel**  
**B. Explosion-proof light (3)**  
**C. SA two-fan array with explosion-proof motors ****and 1” isolator springs at base  **  
**D. Explosion-proof freeze stat**  
**E. Phenolic Coated Hot Water Coil**  
**F. 2” MERV 8 OA filters with filter pressure gauge**  
**G. Explosion-proof GFCI**  
**H. Explosion-proof light switch**  
**I. Explosion-proof filter gauge**  
**J. Explosion-proof actuator**

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### **Learn more about XeteX Custom Air Handling Solutions for Waste Water Treatment Plants.**

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** <https://xetex.com/hs/cta/wi/redirect?encryptedPayload=AVxigLKk0xT1xjWS9im5Sxc6QCcpss2z9LDtQuGqQfB0PChgDEqaFcSNQLQlm3lpMkJ%2B2LK7LjqwjZsViNyzunTd7lKNfUQUt4bY%2BzFc2eBXYHEc1MzauwvcYyTHUcDd%2BMs2ZUWzYtqO%2BzpJm9ZK7mssX2exYmiGDN6vyZEDzMooKHu%2F74kzH7ANZlCbKbAitPa5Q%2B8waRY%3D&webInteractiveContentId=182218502200&portalId=22651078> **

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