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Micro electronic pressure switch self-priming pump pump current automatic switch controller intelligent pressure monitoring instrument

Electronic pressure switch for household use! 1. water protection (water, water shortage degree can be arbitrarily set) 2. (for cast iron rust proof function can prevent water pump, impeller stuck overload protection function (3.) can be arbitrarily set the maximum current of the motor, effectively prevent the machine after the motor burned out) 4. over-voltage protection (low voltage or high and 220V, can automatically this is the 4 points off) 2 points 3 points need to interface the interface contact customer service

discount 70% in 2018-10-19 to 2018-10-21
price: USD$ 134.40
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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