SPDT pressure switch mainly used in refrigeration system of air conditioner, precise pressure control system. 1) YK-01H, YK-02H, YK ... 01L, YK-02L, YK-03L SPDT pressure switchSeries Single Cut Double Thrower Auto-reset Pressure Control, which is widely used ... air conditioner, and precise pressure control system.2) Product Specifications:Single cut double thrower switch mode, double circuits commutate ...