Seismic Gas Shutoff Valve... Seismic Gas Shutoff Valve Project Questionnaire We are ready to provide you with a proposal for coordinating a turnkey project that includes... a properly sized seismic gas shutoff valve, installation by a licensed and insured plumbing contractor, and plumbing permit. Our experience includes single-family homes, duplexes...

System (brochure coming soon) Accessories Brochures coming soon Questionnaire Seismic Monitoring Systems Questionnaire Seismic Gas Shutoff Valves, Seismic Switches, & Valve... Assemblies CALIFORNIA (formerly known as KOSO) Seismic Gas Shutoff Valves Operation principles Installation information for homes & small businesses Installation & maintenance instructions... for VT (vertical top-in) CALIFORNIA Valves Pressure ratings of CALIFORNIA Valves Regulations mandating the installation of seismic gas shutoff valves Actuation ranges of ASCE...