---
title: Heat Recovery Unit with Coated HX and Explosion Proof Motor
description: Designed for a waste water treatment plant, this custom heat recovery ventilator is located at one of the most exclusive lifestyle estates in the world.
---

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

# [Heat Recovery Unit with Coated HX and Explosion Proof Motor](https://xetex.com/blog/doas-with-coated-hx-and-explosion-proof-ea-motor)

 Written by [XeteX](https://xetex.com/blog/author/xetex) | 11/2/23 9:06 PM

Designed for a wastewater treatment plant, this custom heat recovery ventilator (HRV) is located at one of the most exclusive lifestyle estates in the world. The HRV is equipped with an epoxy-coated aluminum flat plate heat exchanger, ensuring efficient energy recovery while preventing cross contamination with fresh outdoor air.

The HRV integrates outdoor air and high-efficiency filters at the OA and RA to enhance indoor air quality. For safety, the exhaust air fan is equipped with an explosion-proof motor and corrosion resistant materials provide long-lasting performance.

### Custom XeteX HRV Performance

Model: XHS-40(20)-72-RT-HI-BP  
Height: 88 in      
Width: 102 in      
Length: 224 in      
Weight: 9,100 lbs      
Energy Recovery: Flat Plate Heat Exchanger      
Effectiveness: 85% Winter / 62% Summer      
Supply CFM: 8,000 CFM      
Heating Equipment: Indirect Gas Fired Furnace  
Heating Capacity: 1,033 MBH

### Construction

- Outdoor unit with double wall non-thermal break construction: 
    - 18ga galvanneal exterior casing with XeteX gray acrylic
    - 22ga galvanized steel interior casing with 2" fiberglass insulation
- Inner casing is 304 SS at the exhaust section

### Components

A. 2” MERV 8 OA with galvanized rack  
B. Epoxy-coated aluminum flat plate heat exchanger  
C. Explosion-proof EA motor with 304 SS plenum and aluminum fan impeller  
D. 2” MERV 8 RA with SS rack  
E. 409 SS indirect gas fired furnace

### Learn more about XeteX custom air handling solutions for waste water treatment plants!

<https://xetex.com/hs/cta/wi/redirect?encryptedPayload=AVxigLKX%2F26Nm65c0UnCneEyqzyhYPv4TKrSEu3hjHsrizFC28N4oUd3bwN1lGVR0WV6jsOS5YXZhS0yYmvkk8ocWYDdjNuFRd8tgZSuyPOZh5VnQG8ZNcfqsW2xgpcQmZyOKfBta5CJ8DnKtrWhvk2rG%2BQYFszDjlHiAGFCiqQfMXcErBRWyv7ldt6yQ%2B7NSuz7vWCrnNE%3D&webInteractiveContentId=182218502200&portalId=22651078>

[View full post](https://xetex.com/blog/doas-with-coated-hx-and-explosion-proof-ea-motor)

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