discount 70% in 2018-09-19 to 2018-09-21
price: USD$ 98.21
freight :USD$7.00,(Postal parcel)
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This link has 2 same price, a user can set pressure water shortage, such as video consistent, another water shortage pressure is set according to the lower limit starting pressure automatically set more simple, now shipped for water pressure value can be set, 0-10KG pressure can be set! 4 pure copper interface!
Mobile phone watch video copy, the key to see:http://v.youku.com/v_show/id_XNzI2MjAyNjIw.html?from=s1.8-1-1.2&spm=a2h0k.8191407.0.0
All of these are the pressure of water shortage protection!!
Be carefulWhen the pressure switch is installed on the pump and the water pipe, don't use the hand to grasp the plastic shell. It should be jammed by the wrench tool and the 6 corners are tightened!
Submersible pump, pipeline pump, centrifugal pump and other non stop valve of the water pump refit automatically, must install a stop valve (Dan Xiangfa), to prevent water backflow, so as to achieve perfect automation;