... and so on Characteristics, parameters, certification: 1, Hushun high and low water pressure switch is manufactured by a professional micro-switches and ... enterprises as a whole. 2, High pressure ≥ 30Kg switch 3, Low water pressure start, blowing mouth can drive switch. Action force in ... patented product. 8, Long service life. 9, The high and low water pressure switch.is the best price in the market.10 ...