---
product_id: 142092917
title: "Gentex 8240T Smoke Alarm, 24V Hardwired System Photoelectric Latching w/A/C Contacts & Integral Heat Alarm - No Horn (908-1203-002)"
brand: "gentex"
price: "A$12"
currency: AUD
in_stock: false
category: "Home Improvement"
url: https://www.desertcart.com.au/products/142092917-gentex-8240t-smoke-alarm-24v-hardwired-system-photoelectric-latching-w
store_origin: AU
region: Australia
---

# Gentex 8240T Smoke Alarm, 24V Hardwired System Photoelectric Latching w/A/C Contacts & Integral Heat Alarm - No Horn (908-1203-002)

**Brand:** gentex
**Price:** A$12
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Gentex 8240T Smoke Alarm, 24V Hardwired System Photoelectric Latching w/A/C Contacts & Integral Heat Alarm - No Horn (908-1203-002) by gentex
- **How much does it cost?** A$12 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/142092917-gentex-8240t-smoke-alarm-24v-hardwired-system-photoelectric-latching-w)

## Best For

- gentex enthusiasts

## Why This Product

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

## Description

The Gentex 8240T is a photoelectric system smoke detector listed for releasing device service. It&apos;s designed for 24V hardwired use. This Gentex smoke alarm has no audible signal but features a pulsing LED light. This model features a universal mount that can be use for ceiling or wall applications. This Gentex smoke alarm also includes auxiliary Form A/Form C relay contacts for initiating remote functions and annunciation. Plus, it also includes an integral (activates this alarm only) 135deg; heat thermal alarm. This Gentex smoke detector is a latching (manual reset) model.

## Features

- Listed for releasing device service Horn frequency 3100 Hz (nominal) Self-restoring 135°F integral heat thermal Patented three position test Nominal 2.5% sensitivity Easy Wash on-site maintenance washing program Form A/Form C dry relay contacts Quick-disconnect wiring harness 5-to-1 signal-to-noise ratio Pulsing LED sensing chamber Fully insect screened Solid-state LED condition indicator Mounting hardware adapts to standard junction boxes Dust cover to prevent contamination during installat
- ›See more product details

## Images

![Gentex 8240T Smoke Alarm, 24V Hardwired System Photoelectric Latching w/A/C Contacts & Integral Heat Alarm - No Horn (908-1203-002) - Image 1](https://m.media-amazon.com/images/I/31Dv0Atv0vL._SL500_.jpg)

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**Shop now:** [https://www.desertcart.com.au/products/142092917-gentex-8240t-smoke-alarm-24v-hardwired-system-photoelectric-latching-w](https://www.desertcart.com.au/products/142092917-gentex-8240t-smoke-alarm-24v-hardwired-system-photoelectric-latching-w)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-11*