---
product_id: 21414964
title: "Simplex 4098-9756 Duct Sensor Housing - 4 Wire with relay"
brand: "simplex time recorder"
price: "€ 272.66"
currency: EUR
in_stock: true
category: "Simplex Time Recorder"
url: https://www.desertcart.pt/products/21414964-simplex-4098-9756-duct-sensor-housing-4-wire-with-relay
store_origin: PT
region: Portugal
---

# Dual AC/DC power compatibility Integrated audible alarm relay High-visibility red housing Simplex 4098-9756 Duct Sensor Housing - 4 Wire with relay

**Brand:** simplex time recorder
**Price:** € 272.66
**Availability:** ✅ In Stock

## Summary

> 🔴 Stay ahead of fire risks with the Simplex 4098-9756 — your silent guardian in every duct.

## Quick Answers

- **What is this?** Simplex 4098-9756 Duct Sensor Housing - 4 Wire with relay by simplex time recorder
- **How much does it cost?** € 272.66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/21414964-simplex-4098-9756-duct-sensor-housing-4-wire-with-relay)

## Best For

- simplex time recorder enthusiasts

## Why This Product

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

## Key Features

- • **Durable Plastic Enclosure:** Engineered for longevity and resilience in demanding HVAC environments.
- • **Trusted Brand Performance:** Backed by Simplex Time Recorder’s legacy and a 4.7-star rating, join thousands who rely on proven safety.
- • **Compact & Lightweight Design:** At just 1" cube and 0.27g, it fits discreetly into any duct without disrupting airflow or aesthetics.
- • **Reliable Audible Alarm Relay:** Instant, clear alerts ensure your space stays protected and compliant with safety standards.
- • **Universal 4-Wire Compatibility:** Seamlessly integrates with diverse HVAC and fire alarm systems for hassle-free upgrades.

## Overview

The Simplex 4098-9756 is a compact, red 4-wire duct sensor housing designed for smoke detection and fire alarm integration. Powered by both AC and DC sources, it features an audible alarm relay housed in durable plastic, ensuring reliable performance in HVAC systems. With a lightweight 1" cube form factor and a strong customer rating, it’s a trusted choice for professional-grade fire safety.

## Description

Simplex 4098-9756 Air Duct 4 Wire Sensor Housing Smoke Detector Fire Alarm

## Features

- Simplex Time Recorder
- Used - Good
- 4098-9756

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0115GZYX0 |
| Alarm | Audible |
| Best Sellers Rank | #598,172 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #489 in Smoke Detectors & Fire Alarms |
| Brand | Simplex Time Recorder |
| Color | red |
| Customer Reviews | 4.7 4.7 out of 5 stars (3) |
| Enclosure Material | Plastic |
| Item Dimensions D x W x H | 1"D x 1"W x 1"H |
| Item Weight | 0.27 g |
| Manufacturer | Simplex Time Recorder |
| Mfr Part Number | 4098-9756-1 |
| Model Number | 4098-9756 |
| Number of Items | 1 |
| Power Source | ac_dc |
| Product Style | Universal |
| UPC | 783863017810 |
| Unit Count | 1 Count |

## Product Details

- **Alarm:** Audible
- **Brand:** Simplex Time Recorder
- **Color:** red
- **Item Weight:** 0.27 g
- **Material:** Plastic
- **Number of Items:** 1
- **Power Source:** ac_dc
- **Product Dimensions:** 1"D x 1"W x 1"H
- **Style:** Universal
- **Unit Count:** 1 Count

## Images

![Simplex 4098-9756 Duct Sensor Housing - 4 Wire with relay - Image 1](https://m.media-amazon.com/images/I/51mINWaZ8kL.jpg)

## Frequently Bought Together

- Simplex 4098-9756 Duct Sensor Housing - 4 Wire with relay
- 4098-9714 Detector
- SIMPLEXGRINNELL 4098-9792 ADDRESSABLE, SSD Sensor Base, FLANGED, 4.875 INCHES, SNAP-in, for USE with SIMPLEX Intelligent Control Panel, White

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**Shop now:** [https://www.desertcart.pt/products/21414964-simplex-4098-9756-duct-sensor-housing-4-wire-with-relay](https://www.desertcart.pt/products/21414964-simplex-4098-9756-duct-sensor-housing-4-wire-with-relay)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-08*