---
product_id: 36499957
title: "Red Devil 089650 Extreme Temperature HVAC/R Silicone Sealant, 280 ml, Aluminum, 1 Pack, Made in USA"
brand: "red devil"
price: "91.19 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Red Devil"
url: https://www.desertcart.tn/products/36499957-red-devil-089650-extreme-temperature-hvac-r-silicone-sealant-280
store_origin: TN
region: Tunisia
---

# 500 PSI tensile strength Temp range -60°F to 400°F Adheres to 7+ surfaces Red Devil 089650 Extreme Temperature HVAC/R Silicone Sealant, 280 ml, Aluminum, 1 Pack, Made in USA

**Brand:** red devil
**Price:** 91.19 DT
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal the deal with Red Devil – where extreme temps meet extreme performance!

## Quick Answers

- **What is this?** Red Devil 089650 Extreme Temperature HVAC/R Silicone Sealant, 280 ml, Aluminum, 1 Pack, Made in USA by red devil
- **How much does it cost?** 91.19 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/36499957-red-devil-089650-extreme-temperature-hvac-r-silicone-sealant-280)

## Best For

- red devil enthusiasts

## Why This Product

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

## Key Features

- • **Weatherproof Seal:** Creates a waterproof, weather-resistant barrier that defies heat, cold, and moisture
- • **Multi-Surface Mastery:** Bonds seamlessly to metal, glass, vinyl, plastic & more—one sealant to rule them all
- • **Permanent Flexibility:** Won't crack, peel, or shrink—durability that lasts for years under any weather
- • **Precision Application:** Easy-to-use 280 ml tube ensures clean, professional-grade sealing every time
- • **Extreme Temperature Resilience:** Withstands brutal temps from -60°F to 400°F for HVAC/R reliability

## Overview

Red Devil 089650 Extreme Temperature HVAC/R Silicone Sealant is a premium, USA-made sealant engineered for HVAC and refrigeration systems. It offers exceptional adhesion to multiple surfaces including metal, aluminum, glass, and plastic, maintaining flexibility and strength across a wide temperature range (-60°F to 400°F). Waterproof and weather-resistant, it delivers a durable, crack-proof seal that stands up to harsh environmental conditions, making it the go-to choice for professionals and DIYers seeking reliable, long-lasting performance.

## Description

Red Devil Extreme Temperature HVAC/R Silicone Sealant is a superior quality sealant made especially for HVAC/R applications. It provides long-lasting weather-resistant seals and offers excellent adhesion, flexibility and durability. It adheres to metal and other building materials and remains flexible from -60°F to 400°F. Use on Air Conditioners, Ducts, Furnaces, Refrigerators, Vents, Pipes, Window and Door Frames, Skylights, Gutters, Aluminum Siding, Trim & Gutters.

Review: Reliable Solution for Demanding Environments - As a homeowner who frequently tackles DIY projects and maintenance tasks around the house, I recently had the opportunity to use the Red Devil 0897 Extreme Temperature HVAC/R Silicone Sealant, and I must say, it exceeded my expectations in every aspect. First and foremost, the performance of this silicone sealant is outstanding. Designed specifically for high-temperature applications in HVAC and refrigeration systems, it effectively seals gaps, cracks, and joints, providing a durable and long-lasting solution. I used it to seal leaks in my air conditioning ducts and around my refrigerator's compressor, and it worked like a charm, effectively stopping the leaks and preventing any further issues. One of the standout features of the Red Devil 0897 sealant is its extreme temperature resistance. It can withstand temperatures ranging from -80°F to 550°F (-62°C to 288°C), making it suitable for both cold and hot environments. This versatility gives me peace of mind knowing that it can handle the rigors of fluctuating temperatures without deteriorating or losing its effectiveness over time. Furthermore, I found the application process to be incredibly easy and straightforward. The sealant comes in a convenient squeeze tube, allowing for precise application without the need for any specialized tools or equipment. It has excellent adhesion properties, adhering firmly to a variety of surfaces including metal, glass, ceramic, and most plastics, ensuring a secure and reliable seal. In terms of durability, the Red Devil 0897 sealant has proven to be extremely resilient. Even after prolonged exposure to harsh environmental conditions, it maintains its flexibility and integrity, preventing any air or moisture infiltration. This durability gives me confidence that the seals will remain intact for years to come, reducing the need for frequent reapplications or maintenance. Overall, I am thoroughly impressed with the Red Devil 0897 Extreme Temperature HVAC/R Silicone Sealant. Its exceptional performance, extreme temperature resistance, ease of application, and durability make it a top choice for anyone in need of a reliable sealing solution for HVAC and refrigeration systems. I highly recommend it to homeowners, HVAC technicians, and DIY enthusiasts alike. Pros: Outstanding performance in sealing gaps, cracks, and joints Extreme temperature resistance (-80°F to 550°F) Easy and precise application Excellent adhesion to various surfaces Exceptional durability and long-lasting effectiveness Cons: None observed
Review: Great cold weather caulk - This caulk works as reported for use in cold temperatures. A quality product and would use again in below 40 degree situations.

## Features

- SPECIFICALLY DESIGNED FOR HVAC / R APPLICATIONS: Weather resistant temperature range of -60 degrees Fahrenheit to 400 degrees Fahrenheit make this Extreme Temperature Sealant ideal for HVAC/R uses
- EXCELLENT ADHESION TO MANY SURFACES: Adheres to Metal, Aluminum, Concrete, Glass, Fiberglass, Vinyl, and Plastic and offers long-lasting flexibility and durability with a weather-resistant seal. Made in the USA
- WILL NOT CRACK, SHRINK OR PEEL: With its Permanent Flexibility design, the multi-purpose sealant will withstand the elements and won’t crack, peel or shrink for a dependable seal that lasts for years
- FORM A WEATHER-RESISTANT SEAL: Depend on Red Devil’s Extreme Temperature Sealant for your HVAC/R; the sealant remains flexible with impressive adhesion and provides a weather-resistant seal that is heat and cold resistant when applied correctly
- FOR BEST RESULTS: Before applying the sealant, remove any old caulk, debris, or other residues that might interfere with adhesion and make sure the sealant is used on clean, dry surfaces for best results

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B011JJ89OY |
| Best Sellers Rank | #16,091 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in High Temperature Caulk #124 in Industrial Sealants |
| Brand | Red Devil |
| Brand Name | Red Devil |
| Color | Aluminum |
| Customer Reviews | 4.6 out of 5 stars 755 Reviews |
| Global Trade Identification Number | 00075339089651 |
| Item Form | Paste |
| Item Type Name | Extreme Temperature HVAC/R Silicone Sealant |
| Item Weight | 0.72 Pounds |
| Liquid Volume | 280 |
| Manufacturer | Red Devil |
| Material Type | Rubber |
| Model | 089650 |
| Number of Items | 1 |
| Part Number | 089650 |
| Surface Recommendation | Tile |
| Tensile Strength | 500 Pounds Per Square Inch |
| UPC | 075339089651 |
| Unit Count | 1.0 Count |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Red Devil
- **Color:** Aluminum
- **Item Form:** Paste
- **Liquid Volume:** 280
- **Surface Recommendation:** Tile

## Images

![Red Devil 089650 Extreme Temperature HVAC/R Silicone Sealant, 280 ml, Aluminum, 1 Pack, Made in USA - Image 1](https://m.media-amazon.com/images/I/61vbTHs7iLL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Can this be used to seal cracks in existing cement between Boiler and Chimney?**
A: Hi, you most certainly can. If you need something with a higher heat rating and the red color isn't an issue, we also make a Hi Heat Red Silicone that is good to 600 degrees. I have posted that link for you below. Thanks!

https://www.amazon.com/Red-Devil-08090I-Resistant-Silicone/dp/B009EC5ELK/ref=sr_1_1?keywords=RED+DEVIL+08090I&qid=1579040983&sr=8-1

**Q: Can i use this to seal on the wall around the dryer vent hose is?**
A: Yes, no problem, just be aware the item is not paintable. Thanks!

**Q: Is this 100% silicone?**
A: It doesn’t say so on the tube but I believe that it is 100% silicone. I used it to caulk around a new fireplace chimney cap due to the high heat from the fireplace smoke when it’s burning. It should be great since it’s exposed outdoors year round

**Q: I will not be using this in automotive environment but rather in a diy project. sealing the edges of a metal box with antifreeze to leak proof work?**
A: Hi, yes, it will then work, I just wanted to make sure it was not being used in a car engine. Thanks!

## Customer Reviews

### ⭐⭐⭐⭐⭐ Reliable Solution for Demanding Environments
*by J***Y on February 13, 2024*

As a homeowner who frequently tackles DIY projects and maintenance tasks around the house, I recently had the opportunity to use the Red Devil 0897 Extreme Temperature HVAC/R Silicone Sealant, and I must say, it exceeded my expectations in every aspect. First and foremost, the performance of this silicone sealant is outstanding. Designed specifically for high-temperature applications in HVAC and refrigeration systems, it effectively seals gaps, cracks, and joints, providing a durable and long-lasting solution. I used it to seal leaks in my air conditioning ducts and around my refrigerator's compressor, and it worked like a charm, effectively stopping the leaks and preventing any further issues. One of the standout features of the Red Devil 0897 sealant is its extreme temperature resistance. It can withstand temperatures ranging from -80°F to 550°F (-62°C to 288°C), making it suitable for both cold and hot environments. This versatility gives me peace of mind knowing that it can handle the rigors of fluctuating temperatures without deteriorating or losing its effectiveness over time. Furthermore, I found the application process to be incredibly easy and straightforward. The sealant comes in a convenient squeeze tube, allowing for precise application without the need for any specialized tools or equipment. It has excellent adhesion properties, adhering firmly to a variety of surfaces including metal, glass, ceramic, and most plastics, ensuring a secure and reliable seal. In terms of durability, the Red Devil 0897 sealant has proven to be extremely resilient. Even after prolonged exposure to harsh environmental conditions, it maintains its flexibility and integrity, preventing any air or moisture infiltration. This durability gives me confidence that the seals will remain intact for years to come, reducing the need for frequent reapplications or maintenance. Overall, I am thoroughly impressed with the Red Devil 0897 Extreme Temperature HVAC/R Silicone Sealant. Its exceptional performance, extreme temperature resistance, ease of application, and durability make it a top choice for anyone in need of a reliable sealing solution for HVAC and refrigeration systems. I highly recommend it to homeowners, HVAC technicians, and DIY enthusiasts alike. Pros: Outstanding performance in sealing gaps, cracks, and joints Extreme temperature resistance (-80°F to 550°F) Easy and precise application Excellent adhesion to various surfaces Exceptional durability and long-lasting effectiveness Cons: None observed

### ⭐⭐⭐⭐⭐ Great cold weather caulk
*by B***B on February 9, 2026*

This caulk works as reported for use in cold temperatures. A quality product and would use again in below 40 degree situations.

### ⭐⭐⭐⭐⭐ Awesome Stuff
*by D***D on December 11, 2025*

Awesome Stuff

## Frequently Bought Together

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-13*