Red Devil High Temp Red Silicone Sealant 2.9 oz RTV 400°F Heat Resistant

Red Devil High Temperature Red Silicone Sealant (2.9 oz) is a professional-grade RTV silicone sealant designed for high-heat applications up to 400°F.

This sealant cures in 24 hours and remains flexible, making it ideal for HVAC systems, furnaces, boilers, flues, exhaust components, and gasket-making applications. The bright red color allows for easy inspection and verification after installation.

Key Benefits:

• Heat resistant up to 400°F

• RTV silicone for strong, flexible sealing

• Excellent adhesion to metal and HVAC components

• Ideal for gas appliance and heating equipment repairs

Perfect for HVAC technicians, plumbers, mechanical contractors, and maintenance professionals.

Important Notice – Propane Parts, Accessories, and Regulators

This product, including but not limited to propane parts, accessories, fittings, hoses, valves, and regulators, must be installed and serviced by a licensed professional in accordance with all applicable local, state, and federal codes, regulations, and standards.

The seller assumes no responsibility for the installation, inspection, application, maintenance, or use of this product.

It is the sole responsibility of the buyer to ensure the product is appropriate for their intended application and that it is installed correctly by a qualified individual.

Improper installation, maintenance, or use of propane products may result in serious injury, death, fire, explosion, or property damage.

The buyer accepts all risks, liabilities, and potential consequences associated with the use of this product.

By purchasing this item, the buyer acknowledges that they have read, understood, and agreed to these terms and confirm that installation and use will be conducted by a properly licensed and qualified professional.

Features

• Genuine Red Devil High Temperature RTV Silicone Sealant
• High-heat resistant up to 400°F (204°C)
• Convenient 2.9 oz cartridge
• Red color for easy identification in high-temperature applications
• Flexible, durable, and long-lasting seal
• Waterproof and weather-resistant after curing
• Resists cracking, shrinking, and deterioration
• Excellent adhesion to metal, glass, ceramic, aluminum, and many other surfaces
• Suitable for indoor and outdoor use
• Easy application using a standard caulking gun

Common Applications

• Automotive engine components
• Valve covers and thermostat housings
• Exhaust system sealing (where manufacturer specifications pet)
• HVAC ductwork and heating equipment
• Industrial machinery
• Boilers, furnaces, and fireplaces
• Metal fabrication projects
• General maintenance and repair jobs requiring heat-resistant sealing