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    Ron Larson's Avatar
    Ron Larson Posts: 2, Reputation: 1
    New Member
    		  
    #1

    May 5, 2008, 09:08 AM
    Craftsman shallow well pump
    Hi,I installed a 1/2 hp pump,to pump water out of a canal.The intake sets only 6 ft. below the pump.When I turn on the pump,it works fine, until it runs out of water. Then the pump keeps running.It has a 30 / 50 pre-set pressure switch.It has a built in check valve.No pressure tank.What do I do to get the pump to shut off when it runs out of water? It's a new pump.
    caibuadday's Avatar
    caibuadday Posts: 460, Reputation: 10
    Full Member
    		  
    #2

    May 5, 2008, 01:30 PM
    Quote Originally Posted by Ron Larson
    Hi,I installed a 1/2 hp pump,to pump water out of a canal.The intake sets only 6 ft. below the pump.When I turn on the pump,it works fine, until it runs out of water. Then the pump keeps running.It has a 30 / 50 pre-set pressure switch.It has a built in check valve.No pressure tank.What do I do to get the pump to shut off when it runs out of water? Its a new pump.
    You could use (1) a flow switch, sensor to be installed in discharge get or (2)a water level(float) switch.make sure its, amp rate for your pump
    jlisenbe's Avatar
    jlisenbe Posts: 5,020, Reputation: 157
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    #3

    May 5, 2008, 05:21 PM
    The pressure switch will do nothing for you since you are not using a pressure tank. I would think the flow switch would be your ticket here.
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