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Question DetailsAsked on 3/20/2014

what is the average cost of installing a gas turn off valve

I've been told there is a valve that can be installed to automatically shut off in case of an earthquake. I would like to know what the average cost would be to help me evaluate estimates.

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Valve cost itself is about $100 for 3/4" gas service line, about $200-300 (depending on gas pressure) for 1" line. Installation typically should run about $150-200 by a plumber IF there is adequate room in the line between the house and gas company meter to cut it in - can run $200-350 for labor and miscellaneous pipe otherwise. However, you will find a lot of ripoff artists who charge $400-500 for the valve on the invoice, and $400-800 in labor for about an hour job.

And not all of them are people going door to door after earthquakes, as has happened in Oklahoma, Texas and Arkansas after the baby quakes there a year or so ago, and in California of course after larger quakes. I read they even found one guy who was doing almost 40 a day with a salesman pal - they had bought some cheap ones at Home Depot or such for about $50 each, then bandsawed and drilled them out so they would fit over the pipe in halves and look like they were installed - they just slapped some urethane glue on the pipe, pressed the two halves of the cut apart valve on, collected their money and walked off to the next house the sales half of the team had conned. They were doing great till they hit the house of a relative of a refinery worker who told him what a great deal they got - he looked at it the same evening, called the authorities, and they caught the guys working the same area the next day.

Answered 6 years ago by LCD

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