90° Fusible Tank Valve, 1/2" MPT Inlet x 3/8" MPT Nipple Outlet

Firomatic Fire Safety Fusible Tank Valves – Automatic Fuel Shutoff Protection

The Firomatic Fire Safety Fusible Tank Valve is designed to automatically close in the event of a fire or elevated temperature, providing critical protection for fuel supply systems. Required by code in many U.S. and Canadian jurisdictions, these valves are a proven safety measure that prevents uncontrolled fuel discharge during emergencies.

Engineered for reliability, Firomatic valves incorporate a fusible link element that responds to high temperatures, ensuring dependable shutoff when system integrity is most at risk. Available in straight and 90° body configurations, they offer flexibility for a range of oil tank installations.

Professional Advantages

• Automatic Shutoff – Fusible element closes the valve at high temperatures to halt fuel flow.
• Certified Safety – UL Listed and CSA certified for compliance across U.S. and Canadian installations.
• Durable Construction – Manufactured to withstand exposure to high heat and continuous service conditions.
• Leak Protection – Double-seal stem design enhances long-term reliability.
• Flexible Configurations – Offered in both straight and 90° options for varied piping layouts.

Technical Specifications

• Model: Firomatic Fusible Tank Valve
• Design: Fusible link shutoff
• Max Inlet Pressure: 10 PSI
• Certifications: UL Listed; cULus 842 compliant for U.S. and Canada
• Fuel Compatibility: Suitable for liquid heating fuels, including renewable fuels up to B100/R100
• Warranty: 3-year limited manufacturer warranty

Installation Notes

Due to its critical safety function, installation of the Firomatic Fusible Tank Valve should be performed by a licensed HVAC or plumbing professional. Proper torque, sealing, and code-compliant placement are essential to ensure effective operation. Contractor installation also ensures compliance with state and local fire codes.

Contractor Applications

For Professional Contractors: The Firomatic valve provides a code-compliant, safety-critical component for oil storage and transfer systems. Its certified design and rugged construction reduce liability and ensure system protection during high-heat events.

Key Features

• Automatic High-Heat Shutoff – Closes fuel supply at fire conditions.
• Industry-Certified – UL and CSA approvals for safety compliance.
• Durable Build – Long service life in demanding environments.
• Versatile Installation – Straight and 90° valve options available.

The Firomatic Fire Safety Fusible Tank Valve is a contractor-grade safety solution, combining certified compliance, durable construction, and proven reliability to protect fuel supply systems in both residential and commercial applications.