---
title: 3-Inch HVAC Access Doors
description: Unique pan-in-pan design creates a solid, esthetically pleasing access door with optional modifications.
---

##### ITM4 Genesis

# 3-Inch HVAC Plenum Access Doors

Unique pan-in-pan design creates a solid, esthetically pleasing access door with optional modifications.

 Overview

 Non Thermal Design

 Thermal Break Design

 Nomenclature

##### 3-Inch HVAC Plenum Access Doors

![DoorIcon_GPA2_175x200](https://itm4.com/hs-fs/hubfs/ITM4%20images/DoorIcon_GPA2_175x200.png?width=175&height=200&name=DoorIcon_GPA2_175x200.png)Genesis 3″ HVAC Plenum Access Doors are ideal for Modular Framing Systems or custom HVAC plenum wall panel construction air handlers The GPA3 series is available in both through metal design or with the ITM4 non-through-metal thermal break technology for higher thermal performance applications. Also choose between our in-swing and out-swing options for positive and negative pressure environments.

- Extensively ETL tested
- Meets UL 1995 safety standard compliance for heating and cooling equipment and NFPA 90
- Stainless steel piano hinge
- 20-gauge galvanized steel panels standard
- Polyurethane foam insulation
- One-piece Santoprene gasket, a UL recognized component

##### Certifications & Compliance

![cert_ul](https://itm4.com/hs-fs/hubfs/ITM4%20images/cert_ul1.jpg?width=70&height=45&name=cert_ul1.jpg)![cert_dade-county](https://itm4.com/hs-fs/hubfs/ITM4%20images/cert_dade-county.jpg?width=90&height=45&name=cert_dade-county.jpg)

 

##### 3-Inch HVAC Plenum Access Doors

![technology_nonthermal2](https://itm4.com/hs-fs/hubfs/ITM4%20images/technology_nonthermal2.png?width=90&height=90&name=technology_nonthermal2.png)Genesis 3″ HVAC Plenum Access Doors are ideal for Modular Framing Systems or custom HVAC plenum wall panel construction air handlers The GPA3 series is available in both through metal design or with the ITM4 non-through-metal thermal break technology for higher thermal performance applications. Also choose between our in-swing and out-swing options for positive and negative pressure environments.

##### 3-Inch HVAC Plenum Access Doors

![technology_thermal](https://itm4.com/hs-fs/hubfs/ITM4%20images/technology_thermal.png?width=90&height=90&name=technology_thermal.png)The Genesis 3″ Access Door with the ITM4 thermal-break technology uses a non-through metal design with H-clip separation between two galvanized steel panels. This thermal-break door is perfect for 3″ wall thickness air handling units and in environments that demand less condensation, small temperature loss and rigid safety requirements.

![nomen-gpa-gpatb](https://itm4.com/hs-fs/hubfs/ITM4%20images/nomen-gpa-gpatb.jpg?width=371&height=607&name=nomen-gpa-gpatb.jpg)

![Wall Panel](https://itm4.com/hubfs/WallPanel_175x200.png)

##### Looking for HVAC Wall Panels?

### **Genesis 3″ Plenum Wall Panels**

Complete your custom commercial HVAC air handling unit with 3-inch plenum wall and roof panels.

[ LEARN MORE ](https://itm4.com/3-inch-hvac-wall-panels?hsLang=en)

## **Need an Estimate? **

[ REQUEST A QUOTE ](https://itm4.com/request-a-quote?hsLang=en)

## **Technology**

Innovative technologies to advance the HVAC door  
and air handler industry.

![Foam](https://itm4.com/hs-fs/hubfs/technology_foam.png?width=90&height=90&name=technology_foam.png)

##### Polyurethane Foam

Genesis Access Doors include industry-approved polyurethane foam insulation for a superior seal, thermal characteristics and door rigidity to meet stringent Indoor Air Quality applications.

![Custom Sizing](https://itm4.com/hs-fs/hubfs/technology_CustomSize.png?width=90&height=90&name=technology_CustomSize.png)

##### Custom Sizing

Our Genesis doors and plenum walls can be custom built to meet your specifications. We can create a custom sizing solution for any project.

![Viewport](https://itm4.com/hs-fs/hubfs/Viewport_nowire_175x200-131x150.png?width=50&height=57&name=Viewport_nowire_175x200-131x150.png)

##### Viewport Ready

ITM4 Viewports offer increased visibility and accessibility to any Genesis door. Our thermal break and non-thermal break viewports are easy to install or replace in the field. 

![latch](https://itm4.com/hs-fs/hubfs/ITM4%20images/technology_latch.png?width=90&height=90&name=technology_latch.png)

##### Latch Technology

ITM4 uses Ventlok and Allegis Latches to give you a custom fit while maintaining the tightest seal in the industry. Our engineering team will help you select the most appropriate latch for your project. 

[ LEARN MORE ](https://itm4.com/technology?hsLang=en)

![Phone number](https://itm4.com/hs-fs/hubfs/raw_assets/public/@marketplace/TransFunnel_Consulting/Business_Consult_Easy_Free_DIY/images/phone.png?width=50&height=50&name=phone.png)

**(763) 497-0842**

![clock](https://itm4.com/hs-fs/hubfs/clock.png?width=35&height=35&name=clock.png)

**Hours  
**Mon-Fri: 8am - 5pm CST