---
product_id: 236046099
title: "FMP 158-1133 Air Mixing Chamber"
brand: "fmp"
price: "$53.62"
currency: USD
in_stock: true
reviews_count: 4
url: https://www.desertcart.us/products/236046099-fmp-158-1133-air-mixing-chamber
store_origin: US
region: United States of America
---

# 1/8" NPT Inlet 3/4" NPT Outlet 0.533 lb Cast Iron FMP 158-1133 Air Mixing Chamber

**Brand:** fmp
**Price:** $53.62
**Availability:** ✅ In Stock

## Summary

> 🔄 Upgrade Your Airflow Game!

## Quick Answers

- **What is this?** FMP 158-1133 Air Mixing Chamber by fmp
- **How much does it cost?** $53.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/236046099-fmp-158-1133-air-mixing-chamber)

## Best For

- fmp enthusiasts

## Why This Product

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

## Key Features

- • **Durable Build:** Crafted from robust cast iron, ensuring longevity and reliability.
- • **Professional Grade:** Ideal for commercial applications, enhancing your operational efficiency.
- • **Seamless Replacement:** Easily replaces Component Hardware G46-4360 for hassle-free upgrades.
- • **Precision Engineering:** Designed with 1/8 inch NPT inlet and 3/4 inch NPT outlet for optimal performance.
- • **Effortless Installation:** Includes air mixer plate and lock-down bolt for quick setup.

## Overview

The FMP 158-1133 Air Mixing Chamber is a high-quality replacement for the Component Hardware G46-4360, featuring a durable cast iron construction, precise NPT threading, and easy installation components, making it perfect for professional environments.

## Description

FMP 158-1133 Air Mixing Chamber Replaces Component Hardware G46-4360 (CHGG46-4360) Includes air mixer plate, lock-down bolt Inlet: 1/8 inch NPT (National Pipe Tapered threads) Outlet: 3/4 inch NPT 0.533 pound Cast iron

## Features

- Replaces Component Hardware G46-4360 (CHGG46-4360)
- Includes air mixer plate, lock-down bolt
- Inlet: 1/8 inch NPT (National Pipe Tapered threads)
- Outlet: 3/4 inch NPT
- 0.533 pound, cast iron

## Images

![FMP 158-1133 Air Mixing Chamber - Image 1](https://m.media-amazon.com/images/I/31XmS1ceooL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Excellent
  

*by F***S on Reviewed in the United States on September 24, 2023*

Fit to my project

### ⭐⭐⭐ 3.0 out of 5 stars







  
  
    Inlet size
  

*by M***L on Reviewed in the United States on October 17, 2023*

Happy to find this at a great price. Unfortunately, the inlet was not tapped to fit 1/8 orifice. I found a 1/8” tap that helped, tho it may not have been npt, so not ideal. Other than that it’s working now

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Quality
  

*by P***R on Reviewed in the United States on May 17, 2023*

Ordered this product for my husband's grill and it was exactly what he needed.  It worked perfectly!!

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**Shop now:** [https://www.desertcart.us/products/236046099-fmp-158-1133-air-mixing-chamber](https://www.desertcart.us/products/236046099-fmp-158-1133-air-mixing-chamber)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-19*