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Discussion Starter #1
I've been talking to two plumbers. Each has a different technique.

a) Shut off main in house. Drain water from all the pipes. Replace shutoff valve with empty pipes.......

b) Shut off main from street. Keep water in pipes in the house. Use "Jet Swet" tool to replace the shutoff valve.

Which is the most common or best practice?

Thanks.
 

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what shutoff are they replacing? if its the shutoff on the water heater just shut the main valve off in the house drain the pipes and install the new shutoff.
 

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b is wasting time. Do as Danny T and A suggest. When turning the water back on, Open your tub hot valve to bleed the air out. Consider removing your aerators too so sediment won't plug them.
 

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Discussion Starter #4 (Edited)
what shutoff are they replacing? if its the shutoff on the water heater just shut the main valve off in the house drain the pipes and install the new shutoff.
Some plumbers will not mess with the house main because, over the phone, they do not know what condition the valve is in.

Some plumbers are wary that the main is not working and will not completely shut off the house supply...and don't want to be responsible in case something goes wrong.
 

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Some plumbers will not mess with the house main because, over the phone, they do not know what condition the valve is in.

Some plumbers are wary that the main is not working and will not completely shut off the house supply...and don't want to be responsible in case something goes wrong.
Our house supply lines are 5ft deep and controlled by a curb stop buried at the same depth. We do not touch them for fear of breaking a valve that has not been operated since who knows when. So I use the valve inside the home. I always tell the home owner that his house shut off located inside may be damaged when I operate it- they are prepped for additional replacement costs.
 

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Discussion Starter #6
Our house supply lines are 5ft deep and controlled by a curb stop buried at the same depth. We do not touch them for fear of breaking a valve that has not been operated since who knows when. So I use the valve inside the home. I always tell the home owner that his house shut off located inside may be damaged when I operate it- they are prepped for additional replacement costs.
The homeowner is responsible for the cost of the house shut off in case it is damaged, but is your insurance responsible for house damage if the house shut off explodes and floods the basement?
 

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If you get desperate to have a new shut off close the main down most but not all the way, open all faucets to lower the pressure then use a ball valve with built in shark bite or make one from parts bought at home depot. You can use a hack saw or similar to cut the line then slam on the new valve, there will be some mess but means you don't have to rely on the house main or the curb stop.

They two options I have as a professional is using a pro press tool, or on larger systems using a freeze kit( costs more).
 
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