Im going to install a washer shut-off system at the washer box a sensor on the floor and flood check hoses. Do I still need to put a washer pan drained to the sump crock in basement under my washing mashine. Washer is on 2nd floor!

A pan is a good idea on the second floor and it should be piped to a house drain or sump. Not easy to do from the second floor. You might try to build a trap and tap into an existing drain or wet vent.

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Originally Posted by matthias123

Im going to install a washer shut-off system at the washer box a sensor on the floor and flood check hoses. Do I still need to put a washer pan drained to the sump crock in basement under my washing mashine. Washer is on 2nd floor!

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In a upstairs installation a washer pan is necessary in case of spills. If the washer's located on a outside wall I have opened a hole to the outside and terminated the pan drain outside the building with a downturned elbo.
Just another option for you. Regards, Tom

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Originally Posted by ballengerb1

A pan is a good idea on the second floor and it should be piped to a house drain or sump. Not easy to do from the second floor. You might try to build a trap and tap into an existing drain or wet vent.

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Thanks for all your help.