---
product_id: 153277706
title: "Residential FD-4S-Flue"
brand: "forensics detectors fd"
price: "AR$539034"
currency: ARS
in_stock: null
reviews_count: 5
url: https://www.desertcart.com.ar/products/153277706-residential-fd-4s-flue
store_origin: AR
region: Argentina
---

# Fast response <60s Color display & graphing Water, particle & NOx filters Residential FD-4S-Flue

**Brand:** forensics detectors fd
**Price:** AR$539034
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Master combustion efficiency with precision and style! 📈

## Quick Answers

- **What is this?** Residential FD-4S-Flue by forensics detectors fd
- **How much does it cost?** AR$539034 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/153277706-residential-fd-4s-flue)

## Best For

- forensics detectors fd enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** Rugged ABS body with anti-slip grip, waterproof, dust-proof, explosion-proof — ready for any job site.
- • **Precision You Can Trust:** Factory calibrated with ≤±5% detection error and UK/USA calibration certificates for guaranteed accuracy.
- • **User-Friendly & Portable:** Lightweight (499g), battery-powered with strong magnet mount and included hardcase for on-the-go professionals.
- • **Visualize Data Instantly:** Vibrant color screen with real-time graphing and alarm logging keeps you ahead of combustion issues.
- • **Comprehensive Gas Analysis:** Measures CO, O2, COAF & excess air (EA) with advanced sensors and filters to reduce cross-sensitivity errors.

## Overview

The FD-4S-FLUE Flue Gas Analyser is a professional-grade, battery-powered device designed for accurate residential and industrial combustion analysis. Featuring high-quality sensors for CO, O2, COAF, and excess air, it offers a vibrant color display with graphing and data logging. Equipped with water trap, particle, and NOx filters, it minimizes cross-sensitivity errors. Rugged, portable, and factory calibrated with UK and USA certificates, it ensures reliable performance with a fast response time under 60 seconds.

## Description

Shop Flue Gas Analyser | CO, O2, COAF & EA | Water Trap, Particle & NOx Filters | Color Display, Graphing, Data Logging | UK USA Calibration Certificate | FD-4S-FLUE. Free delivery on eligible orders of £20 or more.

Review: Works as advertised. Has all the options I needed to check the furnace efficiency and exhaust output. Tool is very simple to set up and use . Definitely worth the money .
Review: Hilfreiches Messgerät. Überrascht hat mich, dass ich eine Nachverrechnung vom Zoll bzw. von der Spedition erhalten habe.

## Features

- 🕵️ TRUST: ** 1 year limited warranty ** Arrives with calibration and QA certificate ** 100% product test and verification in the USA **
- 🌇 FEATURES: Color screen, graphing and alarm logging. Includes hardcase, water trap, particle filter and NOx filter to reduce cross sensitivity errors.
- 🔬 SENSORS: High quality sensors with Oxygen (O2) and Carbon Monoxide (CO). Calculates COAF (CO air free) and excess air (EA) for combustion analysis. Comes factory calibrated. Detection error better than ≤±5% F.S. and response time: T<60s. Zero and span calibration options for user full control.
- 💪 STRONG: Robust design with ABS and Anti-slip grip rubber. Comes with strong magnet for appliance mounting. Waterproof, dust-proof and explosion-proof.
- ⚛️ RESIDENTIAL: For residential combustion analysis & ambient air quality analysis or probe sampling / continuous sampling in confined or toxic spaces. USA NIST Calibration.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07QNFZ3X8 |
| Batteries | 2 Lithium Ion batteries required. (included) |
| Batteries Required? | Yes |
| Batteries included? | Yes |
| Battery Cell Type | Lithium Ion |
| Best Sellers Rank | 1,093,150 in DIY & Tools ( See Top 100 in DIY & Tools ) 564 in Gas Detectors |
| Colour | Yellow |
| Customer Reviews | 4.0 4.0 out of 5 stars (13) |
| Date First Available | 1 April 2019 |
| Item Weight | 499 g |
| Item model number | FD-4S-FLUE |
| Manufacturer | Forensics Detectors |
| Part Number | FD-4S-FLUE |
| Power Source | Battery Powered |
| Product Dimensions | 13 x 6.7 x 3 cm; 498.95 g |
| Style | English |

## Product Details

- **Alarm:** Audible
- **Brand:** FORENSICS DETECTORS FD
- **Colour:** Yellow
- **Item weight:** 499 g
- **Manufacturer:** Forensics Detectors
- **Operating humidity:** 0-95 percent
- **Power source:** Battery Powered
- **Sensor type:** Electrochemical
- **Style:** English

## Images

![Residential FD-4S-Flue - Image 1](https://m.media-amazon.com/images/I/41VVFMb-ydL.jpg)
![Residential FD-4S-Flue - Image 2](https://m.media-amazon.com/images/I/51Mt+ArhMOL.jpg)
![Residential FD-4S-Flue - Image 3](https://m.media-amazon.com/images/I/51UpXgkCscL.jpg)
![Residential FD-4S-Flue - Image 4](https://m.media-amazon.com/images/I/51ck+z+G+BL.jpg)
![Residential FD-4S-Flue - Image 5](https://m.media-amazon.com/images/I/51i-ZmKcg4L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by S***E on 11 January 2026*

Works as advertised. Has all the options I needed to check the furnace efficiency and exhaust output. Tool is very simple to set up and use . Definitely worth the money .

### ⭐⭐⭐⭐ Review
*by G***R on 2 January 2022*

Hilfreiches Messgerät. Überrascht hat mich, dass ich eine Nachverrechnung vom Zoll bzw. von der Spedition erhalten habe.

### ⭐⭐⭐⭐⭐ Review
*by B***T on 3 December 2025*

Works as advertised. Simple to operate gives all the necessary information needed to check burner function

## Frequently Bought Together

- Residential Combustion Analyzer by Forensics | Flue Gas Analyzer | CO, O2, COAF & EA | Water Trap, Particle & NOx Filters | Color Display, Graphing, Data Logging | USA NIST Calibration |
- Klein Tools ET120 Combustible Gas Leak Detector, Black and Orange, One Size

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**Shop now:** [https://www.desertcart.com.ar/products/153277706-residential-fd-4s-flue](https://www.desertcart.com.ar/products/153277706-residential-fd-4s-flue)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-03-11*