---
product_id: 36499957
title: "089650 Extreme Temperature HVAC/R Silicone Sealant, 280 ml, Aluminum, 1 Pack, Made in USA"
brand: "red devil"
price: "KSh6703"
currency: KES
in_stock: true
reviews_count: 13
category: "Red Devil"
url: https://www.desertcart.co.ke/products/36499957-089650-extreme-temperature-hvac-r-silicone-sealant-280-ml-aluminum
store_origin: KE
region: Kenya
---

# Adheres to metal & multiple surfaces Temp range -60°F to 400°F Permanent flexibility, no cracking 089650 Extreme Temperature HVAC/R Silicone Sealant, 280 ml, Aluminum, 1 Pack, Made in USA

**Brand:** red devil
**Price:** KSh6703
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal like a pro, last like a legend.

## Quick Answers

- **What is this?** 089650 Extreme Temperature HVAC/R Silicone Sealant, 280 ml, Aluminum, 1 Pack, Made in USA by red devil
- **How much does it cost?** KSh6703 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/36499957-089650-extreme-temperature-hvac-r-silicone-sealant-280-ml-aluminum)

## 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

- • **Durability That Lasts:** Engineered to never crack, peel, or shrink, ensuring your seal stays strong through every season.
- • **Multi-Surface Mastery:** Bonds seamlessly to metal, aluminum, glass, vinyl, and more—versatility that keeps your projects airtight.
- • **Effortless Application:** Smooth paste formula in a handy 280 ml tube lets you seal with precision and speed—no fuss, no mess.
- • **Weatherproof Seal Confidence:** Creates a flexible, weather-resistant barrier that defies heat, cold, and moisture for years.
- • **Extreme Temperature Resilience:** Withstands brutal temps from -60°F to 400°F, perfect for HVAC pros who demand reliability.

## Overview

Red Devil 089650 Extreme Temperature HVAC/R Silicone Sealant is a high-performance, weather-resistant sealant designed specifically for HVAC and refrigeration applications. It offers exceptional adhesion to a wide range of surfaces including metal, aluminum, glass, and plastics, while maintaining permanent flexibility across a temperature range of -60°F to 400°F. This 280 ml aluminum-colored sealant resists cracking, peeling, and shrinking, delivering durable, long-lasting seals that withstand harsh environmental conditions. Made in the USA, it’s the trusted choice for professionals and DIYers seeking reliable, precision sealing solutions.

## 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: Awesome Stuff - Awesome Stuff

## 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 |
| Batteries | 1 Unknown batteries required. |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #13,528 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in High Temperature Caulk #90 in Industrial Sealants |
| Brand | Red Devil |
| Color | Aluminum |
| Customer Reviews | 4.6 4.6 out of 5 stars (735) |
| Date First Available | July 13, 2015 |
| Finish | Brushed |
| Global Trade Identification Number | 00075339089651 |
| Is Discontinued By Manufacturer | No |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Weight | 10.5 ounces |
| Item model number | 089650 |
| Liquid Volume | 280 |
| Manufacturer | Red Devil |
| Material | Rubber |
| Number Of Pieces | 1 |
| Number of Items | 1 |
| Part Number | 089650 |
| Pattern | Solid |
| Power Source | Hand_powered |
| Product Dimensions | 2 x 2 x 11.25 inches |
| Shape | Rectangular |
| Size | 1 Pack |
| Style | Classic |
| 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

![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)

## 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

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

Awesome Stuff

### ⭐⭐⭐⭐⭐ Great product
*by R***N on July 31, 2025*

Worked great in cold weather

## Frequently Bought Together

- Red Devil 089650 Extreme Temperature HVAC/R Silicone Sealant, Long-Lasting Weather-Resistant Adhesive, 280 ml, Aluminum, 1-Pack
- ETERART Aluminum Foil Duct Tape Heavy Duty,High Temperature Sealing and Patching,Perfect for HVAC,Air Ducts,Metal Repair,Foamboard,Insulation,Dryer Vent and More,2 Inches x 20 Yards,Silver
- 3M High Temperature Flue Tape, High Heat Sealing Tape up to 600 degrees, 1.5' in x 15" ft Roll, Stops leaks from hot air ducts, Made in the USA, Silver (2113NA)

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*Product available on Desertcart Kenya*
*Store origin: KE*
*Last updated: 2026-03-12*