---
product_id: 24228915
title: "Simplex 4098-9733 Temperature Rating 135°F (57°C), Heat Detector"
brand: "simplex"
price: "₨16418"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/24228915-simplex-4098-9733-temperature-rating-135-f-57-c-heat
store_origin: LK
region: Sri Lanka
---

# Loud audible alarm for instant alerts Battery-free, maintenance-free power 135°F (57°C) precision heat detection Simplex 4098-9733 Temperature Rating 135°F (57°C), Heat Detector

**Brand:** simplex
**Price:** ₨16418
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay ahead of danger with smart, silent protection!

## Quick Answers

- **What is this?** Simplex 4098-9733 Temperature Rating 135°F (57°C), Heat Detector by simplex
- **How much does it cost?** ₨16418 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/24228915-simplex-4098-9733-temperature-rating-135-f-57-c-heat)

## Best For

- simplex enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Power:** Battery-free design means zero downtime and no replacements—always ready when you need it.
- • **Instant Audible Alert:** Loud alarm ensures you’re the first to know, protecting what matters most.
- • **Sleek & Durable Design:** Compact 5x5x3 inch metal and plastic build blends seamlessly with modern interiors.
- • **Trusted Industry Leader:** From the #1 North American fire safety supplier—quality and peace of mind guaranteed.
- • **Precision Heat Detection:** Reliable activation at 135°F (57°C) keeps your space safe without false alarms.

## Overview

The Simplex 4098-9733 Heat Detector offers precise temperature-triggered fire detection at 135°F (57°C). Battery-free and maintenance-free, it delivers reliable, instant audible alerts in a compact, durable design from North America’s top fire safety brand.

## Description

Simplex 4098-9733 Temperature Rating 135°F (57°C), Heat Detector

## Features

- Simplex 4098-9733 Temperature Rating 135°F (57°C), Heat Detector
- #1 Supplier for Fire Safety Equipment in North America. Our company is dedicated to help and supply your fire equipment needs with the best prices Worldwide.
- We have the most dedicated customer service team to help you with any question regarding our products and your orders.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Simplex |
| Style | Safety |
| Power Source | Battery Powered |
| Color | Red, White |
| Item Weight | 3.2 ounces |
| Alarm | Audible |
| Operating Humidity | 90 percent |
| Upper Temperature Rating | 57 Degrees Celsius |
| Sensor Type | Heat Detector |
| Material | Metal, Plastic |
| Number of Items | 1 |
| Manufacturer | Simplex |
| UPC | 643485652892 |
| Part Number | 4098-9733 |
| Product Dimensions | 5 x 5 x 3 inches |
| Item model number | 4098 9733 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** Simplex
- **Style:** Safety
- **Power Source:** Battery Powered
- **Color:** Red, White
- **Item Weight:** 3.2 ounces
- **Alarm:** Audible
- **Operating Humidity:** 90 percent
- **Upper Temperature Rating:** 57 Degrees Celsius
- **Sensor Type:** Heat Detector
- **Material:** Metal, Plastic

## Images

![Simplex 4098-9733 Temperature Rating 135°F (57°C), Heat Detector - Image 1](https://m.media-amazon.com/images/I/81hxTJZJ-2L.jpg)

## Questions & Answers

**Q: I need a unit to monitor whether Heat has gone below my furnace setting in a second home so I will get alerts on my cell phone?**
A: hello, it will not be related this unit, it is belings to your fire alarm panel. simplex may have that option. but that product can be use most for commercial building ti work with system not a standalone.

**Q: Is this one time use only?**
A: Hi, thanks for the question.
We use it frequently and now need to buy five more units.
My email is   agalvez@pancanal.com

**Q: Is the connection normally open or closed?**
A: Should n normally closed

**Q: is this battery only**
A: Hard wired with battery backup

## Frequently Bought Together

- Simplex 4098-9733 Temperature Rating 135°F (57°C), Heat Detector
- SIMPLEXGRINNELL 4098-9792 ADDRESSABLE, SSD Sensor Base, FLANGED, 4.875 INCHES, SNAP-in, for USE with SIMPLEX Intelligent Control Panel, White
- 4098-9714 Detector

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**Shop now:** [https://www.desertcart.lk/products/24228915-simplex-4098-9733-temperature-rating-135-f-57-c-heat](https://www.desertcart.lk/products/24228915-simplex-4098-9733-temperature-rating-135-f-57-c-heat)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-24*