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