Little Firefighter AGV-100 Seismic Gas Shut-Off Valve – 1" Horizontal

Product Description:
The AGV-100 is a robust 1" horizontal seismic gas shut-off valve designed to automatically shut off gas flow during earthquakes measuring approximately 5.4 magnitude or greater. Engineered by Little Firefighter for horizontal gas lines, it’s ideal for use with mid-sized gas appliances like tankless water heaters, commercial water heaters, or wall-mounted boilers.

Featuring a durable aluminum body and stainless steel/brass internals, the AGV-100 is UL/CSA listed, meets ASCE 25-97 and ANSI Z21.70 standards, and is fully approved for use in Los Angeles (RR# 5349). Once activated, the valve requires a manual reset on both the inlet and outlet sides to restore gas service.

Key Features:

• 1" FNPT horizontal flow configuration

• Auto shut-off at ~5.4 magnitude seismic activity

• Manual reset required after activation

• Constructed from anodized aluminum with brass/stainless internals

• Rated for up to 10 psi pressure

• Certified to ASCE 25-97, ANSI Z21.70, and UL/CSA listed

• Los Angeles RR# 5349 approved

Why Choose the AGV-100:

• Built for code-compliant seismic protection in larger residential and light commercial systems

• Horizontal orientation supports side-fed appliance installations

• No power source or electronics required

• Easy to install and maintain

Applications:

• Tankless and commercial water heaters (e.g., Navien)

• Boilers, pool heaters, and wall-mounted appliances

• Horizontal gas piping in homes, apartments, or light commercial buildings