---
product_id: 20347284
title: "- Markal Thermomelt Temperature Indicator Heat Stick, 300 Degrees Fahrenheit, 5\" Length"
brand: "markal"
price: "$36.33"
currency: USD
in_stock: true
reviews_count: 11
category: "Markal"
url: https://www.desertcart.us/products/20347284-markal-thermomelt-temperature-indicator-heat-stick-300-degrees-fahrenheit-5
store_origin: US
region: United States of America
---

# Accurate ±1% temp reading 33% bigger & break-resistant Made in USA, certified quality - Markal Thermomelt Temperature Indicator Heat Stick, 300 Degrees Fahrenheit, 5" Length

**Brand:** markal
**Price:** $36.33
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay ahead of the heat game with Markal Thermomelt!

## Quick Answers

- **What is this?** - Markal Thermomelt Temperature Indicator Heat Stick, 300 Degrees Fahrenheit, 5" Length by markal
- **How much does it cost?** $36.33 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/20347284-markal-thermomelt-temperature-indicator-heat-stick-300-degrees-fahrenheit-5)

## Best For

- markal enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last Longer:** 33% larger and reinforced design means fewer replacements and more uptime on the job.
- • **Cost-Effective Accuracy:** Low-cost, reusable solution that saves money while delivering reliable surface temperature measurement.
- • **Precision You Can Trust:** Accurate temperature readings within ±1% ensure flawless heat control for critical metalwork.
- • **Smart & Convenient Design:** Durable metal holder with pocket clip and gravity advance keeps your heat stick secure and ready.
- • **Certified for High-Stakes Work:** Meets ANSI/ASME and AWS standards, perfect for nuclear, shipbuilding, and industrial applications.

## Overview

The Markal Thermomelt Heat Stick is a 5-inch, 300°F temperature indicator designed for precision surface temperature measurement with ±1% accuracy. Its 33% larger, break-resistant design extends usability, reducing replacement costs. Certified to meet rigorous ANSI/ASME and AWS standards, it’s ideal for demanding industrial environments including nuclear and shipbuilding sectors. Made in the USA, it features a durable metal holder with a pocket clip for convenience and reliability.

## Description

Thermomelt when temperature measurement is critical. The Markal Thermomelt temperature indicator with superior break-resistance is the industry’s largest, longest-lasting stick, improving efficiency and uptime. New Certified Thermomelt Heat Stiks are specifically analyzed and certified to contain low concentrations of halogens, sulfur and low melting point metals (less than 250 ppm). Ideal for use in nuclear power generation facilities such as shipbuilding, atomic energy or anywhere that nuclear certification is required. 33 Percent bigger and stronger; same proven reliability. Bigger, break-resistant stick cuts down on replacement costs. Improved holder features a durable metal shaft and convenient pocket clip. Gravity advance holder protects stick and prevents it from slipping back inside. Meets ANSI/ASME Code B32.1 and B31.3, AWS D1.1 and ASME Code Sec. I, III and VII, NIST traceable. Typical application includes: ship building, pressure vessels, boiler systems, bridge construction, power piping systems. Made in the USA.

Review: Works great! - This product works great just as intended. I find it useful when welding thin metal so I don't blow through although I have quite a few co-workers who find them useless in their specialties. I'd recommend buying this if you work with thin metal or need a somewhat accurate indicator of temperature when preheating metal. I give it 5 stars but this is a product that's usefulness is individualized. Always think before you buy but 20 dollars isn't terrible in this line of work either.
Review: Five Stars - Came broken but works as Required!

## Features

- Accurate, fast, low-cost method for measuring surface temperatures
- Ideal for applications such as annealing, forging, welding, bending, forming
- Initially the mark appears dull and chalky then quickly melts to a transparent-appearing liquid
- Accurate to within +/- 1 percent of rated temperature
- Bigger design makes Thermomelt the industry’s longest-lasting heat stick

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001YYCITM |
| Age Range (Description) | Adult |
| Best Sellers Rank | #39,770 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Temperature Indicators |
| Brand | Markal |
| Date First Available | March 21, 2009 |
| Display Type | Analog |
| Global Trade Identification Number | 00048615866253 |
| Immersion Depth | 5 Inches |
| Included Components | One Indicator |
| Indoor/Outdoor Usage | Outdoor |
| Item Length | 5 Inches |
| Item Weight | 0.634 ounces |
| Item model number | 86625 |
| Manufacturer | LA-CO Markal |
| Model Name | 86625 |
| Outer Material | Metal |
| Product Care Instructions | Wipe Clean |
| Reusability | Reusable |
| Special Feature | High Accuracy |
| Specification Met | Ansi/Asme,certification |
| Style | Fahrenheit |
| UPC | 048615866253 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 300 Degrees Fahrenheit |

## Product Details

- **Age Range (Description):** Adult
- **Brand:** Markal
- **Display Type:** Analog
- **Included Components:** One Indicator
- **Model Name:** 86625
- **Outer Material:** Metal
- **Product Care Instructions:** Wipe Clean
- **Special Feature:** High Accuracy
- **Specification Met:** Ansi/Asme,certification
- **Unit Count:** 1.0 Count

## Images

![- Markal Thermomelt Temperature Indicator Heat Stick, 300 Degrees Fahrenheit, 5" Length - Image 1](https://m.media-amazon.com/images/I/71sLJoos2VL.jpg)

## Available Options

This product comes in different **Temperature Range, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great!
*by A***W on March 19, 2022*

This product works great just as intended. I find it useful when welding thin metal so I don't blow through although I have quite a few co-workers who find them useless in their specialties. I'd recommend buying this if you work with thin metal or need a somewhat accurate indicator of temperature when preheating metal. I give it 5 stars but this is a product that's usefulness is individualized. Always think before you buy but 20 dollars isn't terrible in this line of work either.

### ⭐⭐⭐⭐⭐ Five Stars
*by S***E on September 11, 2016*

Came broken but works as Required!

### ⭐⭐⭐⭐⭐ Five Stars
*by M***T on July 7, 2015*

I used this to test the skin temperature of rifle brass for annealing it. It fit the bill perfectly.

## Frequently Bought Together

- Markal Thermomelt Temperature Indicator Heat Stick, 300 Degrees Fahrenheit, 5" Length
- Tempil 28019 Surface Temperature Indicator, One Indicator, 250 Degree F
- Tempil 28043 Surface Temperature Indicator, 500 degrees F/ 260 C (One Indicator) Made in USA

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-15*