Emergency Gas Shut Off

Seismic Shutoff
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Natural gas supplier in Seattle, WA

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Address: 2425 33rd Ave W, Seattle, WA 98199

Hours: Open · Closes 6 PM

Days of week	Open hours
Friday	8 AM - 6 PM
Saturday	8 AM - 5 PM
Sunday	Closed
Monday	8 AM - 6 PM
Tuesday	8 AM - 6 PM
Wednesday	8 AM - 6 PM
Thursday	8 AM - 6 PM

Service Areas: Washington · Portland · Orange County · Bainbridge Island · Tacoma · Shoreline · Mercer Island · Bellevue · Seattle

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Seismic Shutoff installs seismic gas shut off valves (SGSV) to stop the flow of natural gas automatically when earthquake activity of magnitude 5.2 or greater occurs. When activated the valve will …

Seismic Shutoff installs seismic gas shut off valves (SGSV) to stop the flow of natural gas automatically when earthquake activity of magnitude 5.2 or greater occurs. When activated the valve will no longer allow gas to flow through the line into your residence, business or facility hence preventing gas explosions and fire. Installation of the SGSV is performed by licensed, certified and insured gas pipe installers. Contractors License #'s: Washington: SEISMSL820NB Oregon: 223700 California: 1052876

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Frequently asked questions

Q:

What size earthquake causes the valve to trigger?

A:

Most brands of valves are set to trigger between 5.1 and 5.3 magnitude. This is the magnitude that has been determined as the lowest threshold where gas pipe...

A: